./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_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_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:11:21,585 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:11:21,586 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:11:21,593 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:11:21,594 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:11:21,594 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:11:21,595 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:11:21,596 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:11:21,597 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:11:21,598 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:11:21,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:11:21,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:11:21,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:11:21,600 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:11:21,601 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:11:21,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:11:21,602 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:11:21,603 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:11:21,605 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:11:21,606 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:11:21,607 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:11:21,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:11:21,609 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:11:21,609 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:11:21,609 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:11:21,610 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:11:21,611 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:11:21,611 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:11:21,612 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:11:21,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:11:21,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:11:21,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:11:21,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:11:21,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:11:21,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:11:21,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:11:21,615 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 18:11:21,625 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:11:21,625 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:11:21,625 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:11:21,625 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 18:11:21,626 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:11:21,626 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:11:21,626 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:11:21,626 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:11:21,626 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:11:21,627 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:11:21,627 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:11:21,627 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:11:21,627 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:11:21,627 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:11:21,627 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:11:21,627 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:11:21,627 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:11:21,628 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:11:21,628 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:11:21,628 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:11:21,628 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:11:21,628 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:11:21,628 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 18:11:21,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 18:11:21,629 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:11:21,629 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:11:21,629 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:11:21,629 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:11:21,629 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:11:21,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:11:21,629 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_bcc9dcae-ccca-499d-95d2-e7f872542ad6/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-12-01 18:11:21,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:11:21,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:11:21,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:11:21,661 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:11:21,661 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:11:21,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-01 18:11:21,695 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/data/146aa1701/1bb8d0ff12db415e81514176bf7741db/FLAG660b3a646 [2018-12-01 18:11:22,142 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:11:22,143 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-01 18:11:22,149 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/data/146aa1701/1bb8d0ff12db415e81514176bf7741db/FLAG660b3a646 [2018-12-01 18:11:22,156 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/data/146aa1701/1bb8d0ff12db415e81514176bf7741db [2018-12-01 18:11:22,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:11:22,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:11:22,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:11:22,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:11:22,161 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:11:22,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22, skipping insertion in model container [2018-12-01 18:11:22,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:11:22,188 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:11:22,336 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:11:22,374 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:11:22,418 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:11:22,433 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:11:22,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22 WrapperNode [2018-12-01 18:11:22,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:11:22,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:11:22,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:11:22,434 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:11:22,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:11:22,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:11:22,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:11:22,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:11:22,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... [2018-12-01 18:11:22,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:11:22,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:11:22,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:11:22,491 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:11:22,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/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 [2018-12-01 18:11:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 18:11:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 18:11:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 18:11:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 18:11:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 18:11:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 18:11:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:11:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 18:11:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 18:11:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 18:11:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 18:11:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 18:11:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 18:11:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 18:11:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 18:11:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 18:11:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 18:11:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 18:11:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 18:11:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 18:11:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 18:11:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 18:11:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 18:11:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 18:11:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 18:11:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 18:11:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 18:11:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 18:11:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 18:11:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 18:11:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 18:11:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 18:11:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 18:11:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 18:11:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 18:11:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 18:11:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 18:11:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 18:11:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 18:11:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 18:11:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 18:11:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 18:11:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 18:11:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 18:11:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 18:11:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 18:11:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 18:11:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 18:11:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 18:11:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 18:11:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 18:11:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:11:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 18:11:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 18:11:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 18:11:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 18:11:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 18:11:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 18:11:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:11:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:11:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-01 18:11:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-01 18:11:22,877 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:11:22,877 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 18:11:22,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:11:22 BoogieIcfgContainer [2018-12-01 18:11:22,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:11:22,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 18:11:22,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 18:11:22,880 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 18:11:22,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 06:11:22" (1/3) ... [2018-12-01 18:11:22,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6de55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 06:11:22, skipping insertion in model container [2018-12-01 18:11:22,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:11:22" (2/3) ... [2018-12-01 18:11:22,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6de55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 06:11:22, skipping insertion in model container [2018-12-01 18:11:22,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:11:22" (3/3) ... [2018-12-01 18:11:22,883 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-01 18:11:22,889 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 18:11:22,894 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 18:11:22,903 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 18:11:22,921 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:11:22,921 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 18:11:22,921 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 18:11:22,921 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 18:11:22,921 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:11:22,922 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:11:22,922 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 18:11:22,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:11:22,922 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 18:11:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-12-01 18:11:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 18:11:22,939 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:22,939 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] [2018-12-01 18:11:22,941 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:22,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:22,944 INFO L82 PathProgramCache]: Analyzing trace with hash -286614116, now seen corresponding path program 1 times [2018-12-01 18:11:22,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:22,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:22,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:22,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:22,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:11:23,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:23,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 18:11:23,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 18:11:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 18:11:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 18:11:23,095 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-12-01 18:11:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:23,118 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2018-12-01 18:11:23,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 18:11:23,119 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 18:11:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:23,126 INFO L225 Difference]: With dead ends: 288 [2018-12-01 18:11:23,126 INFO L226 Difference]: Without dead ends: 144 [2018-12-01 18:11:23,129 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 [2018-12-01 18:11:23,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-01 18:11:23,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-01 18:11:23,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-01 18:11:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-12-01 18:11:23,160 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2018-12-01 18:11:23,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:23,160 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-12-01 18:11:23,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 18:11:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-12-01 18:11:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 18:11:23,162 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:23,162 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] [2018-12-01 18:11:23,162 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:23,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:23,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1423575062, now seen corresponding path program 1 times [2018-12-01 18:11:23,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:23,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:23,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:23,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:11:23,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:23,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 18:11:23,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 18:11:23,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 18:11:23,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:11:23,225 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2018-12-01 18:11:23,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:23,243 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2018-12-01 18:11:23,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 18:11:23,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 18:11:23,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:23,245 INFO L225 Difference]: With dead ends: 233 [2018-12-01 18:11:23,245 INFO L226 Difference]: Without dead ends: 135 [2018-12-01 18:11:23,246 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 [2018-12-01 18:11:23,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-01 18:11:23,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-01 18:11:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-01 18:11:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2018-12-01 18:11:23,257 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2018-12-01 18:11:23,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:23,258 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2018-12-01 18:11:23,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 18:11:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2018-12-01 18:11:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:11:23,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:23,259 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:11:23,259 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:23,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:23,259 INFO L82 PathProgramCache]: Analyzing trace with hash 239457231, now seen corresponding path program 1 times [2018-12-01 18:11:23,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:23,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:23,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:23,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:11:23,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:23,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 18:11:23,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 18:11:23,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 18:11:23,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 18:11:23,352 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2018-12-01 18:11:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:23,517 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2018-12-01 18:11:23,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 18:11:23,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-01 18:11:23,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:23,519 INFO L225 Difference]: With dead ends: 246 [2018-12-01 18:11:23,519 INFO L226 Difference]: Without dead ends: 135 [2018-12-01 18:11:23,520 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 18:11:23,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-01 18:11:23,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-01 18:11:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-01 18:11:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-12-01 18:11:23,530 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2018-12-01 18:11:23,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:23,531 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-12-01 18:11:23,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 18:11:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-12-01 18:11:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 18:11:23,533 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:23,533 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] [2018-12-01 18:11:23,533 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:23,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:23,533 INFO L82 PathProgramCache]: Analyzing trace with hash -2048361750, now seen corresponding path program 1 times [2018-12-01 18:11:23,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:23,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:23,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:23,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:11:23,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:23,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 18:11:23,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 18:11:23,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 18:11:23,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 18:11:23,604 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2018-12-01 18:11:23,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:23,894 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2018-12-01 18:11:23,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 18:11:23,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-01 18:11:23,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:23,896 INFO L225 Difference]: With dead ends: 347 [2018-12-01 18:11:23,896 INFO L226 Difference]: Without dead ends: 236 [2018-12-01 18:11:23,897 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 [2018-12-01 18:11:23,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-01 18:11:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2018-12-01 18:11:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-01 18:11:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2018-12-01 18:11:23,910 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2018-12-01 18:11:23,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:23,911 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2018-12-01 18:11:23,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 18:11:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2018-12-01 18:11:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 18:11:23,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:23,912 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] [2018-12-01 18:11:23,912 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:23,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:23,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1991990108, now seen corresponding path program 1 times [2018-12-01 18:11:23,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:23,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:23,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:23,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:11:23,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:23,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 18:11:23,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:11:23,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:11:23,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:11:23,958 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2018-12-01 18:11:24,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:24,085 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2018-12-01 18:11:24,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 18:11:24,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-01 18:11:24,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:24,088 INFO L225 Difference]: With dead ends: 588 [2018-12-01 18:11:24,088 INFO L226 Difference]: Without dead ends: 395 [2018-12-01 18:11:24,089 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 [2018-12-01 18:11:24,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-12-01 18:11:24,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-12-01 18:11:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-01 18:11:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2018-12-01 18:11:24,110 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2018-12-01 18:11:24,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:24,110 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2018-12-01 18:11:24,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:11:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2018-12-01 18:11:24,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 18:11:24,112 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:24,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:11:24,112 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:24,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:24,112 INFO L82 PathProgramCache]: Analyzing trace with hash -70999840, now seen corresponding path program 1 times [2018-12-01 18:11:24,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:24,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:24,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:24,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:24,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:11:24,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:24,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 18:11:24,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 18:11:24,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 18:11:24,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 18:11:24,192 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2018-12-01 18:11:24,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:24,518 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2018-12-01 18:11:24,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 18:11:24,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-12-01 18:11:24,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:24,520 INFO L225 Difference]: With dead ends: 424 [2018-12-01 18:11:24,520 INFO L226 Difference]: Without dead ends: 421 [2018-12-01 18:11:24,521 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 [2018-12-01 18:11:24,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-01 18:11:24,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2018-12-01 18:11:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-01 18:11:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2018-12-01 18:11:24,545 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2018-12-01 18:11:24,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:24,545 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2018-12-01 18:11:24,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 18:11:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2018-12-01 18:11:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 18:11:24,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:24,547 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] [2018-12-01 18:11:24,547 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:24,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:24,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1722369911, now seen corresponding path program 1 times [2018-12-01 18:11:24,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:24,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:24,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:24,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:24,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:11:24,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:24,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 18:11:24,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:11:24,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:11:24,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:11:24,608 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2018-12-01 18:11:24,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:24,637 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2018-12-01 18:11:24,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 18:11:24,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-01 18:11:24,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:24,640 INFO L225 Difference]: With dead ends: 768 [2018-12-01 18:11:24,640 INFO L226 Difference]: Without dead ends: 403 [2018-12-01 18:11:24,641 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 [2018-12-01 18:11:24,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-01 18:11:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-12-01 18:11:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-12-01 18:11:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2018-12-01 18:11:24,661 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2018-12-01 18:11:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:24,662 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2018-12-01 18:11:24,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:11:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2018-12-01 18:11:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 18:11:24,663 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:24,663 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] [2018-12-01 18:11:24,663 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:24,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:24,664 INFO L82 PathProgramCache]: Analyzing trace with hash -828883573, now seen corresponding path program 1 times [2018-12-01 18:11:24,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:24,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:24,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:24,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:24,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:11:24,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:24,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 18:11:24,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 18:11:24,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 18:11:24,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 18:11:24,738 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2018-12-01 18:11:24,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:24,761 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2018-12-01 18:11:24,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 18:11:24,762 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-01 18:11:24,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:24,763 INFO L225 Difference]: With dead ends: 788 [2018-12-01 18:11:24,763 INFO L226 Difference]: Without dead ends: 413 [2018-12-01 18:11:24,764 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 [2018-12-01 18:11:24,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-01 18:11:24,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-12-01 18:11:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-01 18:11:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2018-12-01 18:11:24,776 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2018-12-01 18:11:24,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:24,776 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2018-12-01 18:11:24,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 18:11:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2018-12-01 18:11:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 18:11:24,777 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:24,777 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] [2018-12-01 18:11:24,777 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:24,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:24,778 INFO L82 PathProgramCache]: Analyzing trace with hash -836642932, now seen corresponding path program 1 times [2018-12-01 18:11:24,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:24,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:24,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:24,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:24,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:11:24,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:24,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 18:11:24,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 18:11:24,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 18:11:24,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 18:11:24,823 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2018-12-01 18:11:24,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:24,958 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2018-12-01 18:11:24,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 18:11:24,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-01 18:11:24,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:24,962 INFO L225 Difference]: With dead ends: 1209 [2018-12-01 18:11:24,963 INFO L226 Difference]: Without dead ends: 826 [2018-12-01 18:11:24,964 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 [2018-12-01 18:11:24,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-12-01 18:11:24,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2018-12-01 18:11:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-01 18:11:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2018-12-01 18:11:25,002 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2018-12-01 18:11:25,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:25,003 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2018-12-01 18:11:25,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 18:11:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2018-12-01 18:11:25,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 18:11:25,004 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:25,004 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:11:25,005 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:25,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:25,005 INFO L82 PathProgramCache]: Analyzing trace with hash -835782670, now seen corresponding path program 1 times [2018-12-01 18:11:25,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:25,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:25,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:25,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:25,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 18:11:25,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:11:25,104 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/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 [2018-12-01 18:11:25,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:25,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:11:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:11:25,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:11:25,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-01 18:11:25,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-01 18:11:25,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 18:11:25,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-01 18:11:25,358 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 19 states. [2018-12-01 18:11:26,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:26,057 INFO L93 Difference]: Finished difference Result 1568 states and 1839 transitions. [2018-12-01 18:11:26,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 18:11:26,058 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2018-12-01 18:11:26,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:26,060 INFO L225 Difference]: With dead ends: 1568 [2018-12-01 18:11:26,060 INFO L226 Difference]: Without dead ends: 781 [2018-12-01 18:11:26,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-01 18:11:26,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2018-12-01 18:11:26,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2018-12-01 18:11:26,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-12-01 18:11:26,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 892 transitions. [2018-12-01 18:11:26,088 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 892 transitions. Word has length 103 [2018-12-01 18:11:26,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:26,088 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 892 transitions. [2018-12-01 18:11:26,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-01 18:11:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 892 transitions. [2018-12-01 18:11:26,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 18:11:26,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:26,090 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, 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] [2018-12-01 18:11:26,090 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:26,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:26,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1202923825, now seen corresponding path program 1 times [2018-12-01 18:11:26,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:26,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:26,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:26,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:26,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 18:11:26,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:11:26,154 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/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 [2018-12-01 18:11:26,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:26,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:11:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:11:26,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:11:26,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-01 18:11:26,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:11:26,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:11:26,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:11:26,292 INFO L87 Difference]: Start difference. First operand 781 states and 892 transitions. Second operand 6 states. [2018-12-01 18:11:26,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:26,676 INFO L93 Difference]: Finished difference Result 1705 states and 2042 transitions. [2018-12-01 18:11:26,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 18:11:26,676 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-01 18:11:26,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:26,680 INFO L225 Difference]: With dead ends: 1705 [2018-12-01 18:11:26,680 INFO L226 Difference]: Without dead ends: 1076 [2018-12-01 18:11:26,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-01 18:11:26,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2018-12-01 18:11:26,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 969. [2018-12-01 18:11:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-01 18:11:26,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1124 transitions. [2018-12-01 18:11:26,724 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1124 transitions. Word has length 161 [2018-12-01 18:11:26,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:26,724 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1124 transitions. [2018-12-01 18:11:26,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:11:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1124 transitions. [2018-12-01 18:11:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 18:11:26,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:26,726 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, 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] [2018-12-01 18:11:26,727 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:26,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:26,727 INFO L82 PathProgramCache]: Analyzing trace with hash -880220171, now seen corresponding path program 1 times [2018-12-01 18:11:26,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:26,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:26,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:26,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:26,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 18:11:26,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:11:26,800 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 18:11:26,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:26,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:11:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:11:27,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:11:27,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-12-01 18:11:27,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 18:11:27,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 18:11:27,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-01 18:11:27,001 INFO L87 Difference]: Start difference. First operand 969 states and 1124 transitions. Second operand 14 states. [2018-12-01 18:11:28,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:28,149 INFO L93 Difference]: Finished difference Result 2693 states and 3413 transitions. [2018-12-01 18:11:28,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-01 18:11:28,149 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-12-01 18:11:28,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:28,155 INFO L225 Difference]: With dead ends: 2693 [2018-12-01 18:11:28,155 INFO L226 Difference]: Without dead ends: 1880 [2018-12-01 18:11:28,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-12-01 18:11:28,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2018-12-01 18:11:28,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1557. [2018-12-01 18:11:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2018-12-01 18:11:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1782 transitions. [2018-12-01 18:11:28,210 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1782 transitions. Word has length 157 [2018-12-01 18:11:28,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:28,210 INFO L480 AbstractCegarLoop]: Abstraction has 1557 states and 1782 transitions. [2018-12-01 18:11:28,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 18:11:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1782 transitions. [2018-12-01 18:11:28,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 18:11:28,212 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:11:28,212 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, 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] [2018-12-01 18:11:28,212 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:11:28,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:11:28,213 INFO L82 PathProgramCache]: Analyzing trace with hash -605460557, now seen corresponding path program 1 times [2018-12-01 18:11:28,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:11:28,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:11:28,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:28,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:11:28,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:11:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:11:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 18:11:28,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:11:28,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 18:11:28,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 18:11:28,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 18:11:28,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 18:11:28,277 INFO L87 Difference]: Start difference. First operand 1557 states and 1782 transitions. Second operand 9 states. [2018-12-01 18:11:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:11:28,318 INFO L93 Difference]: Finished difference Result 1991 states and 2279 transitions. [2018-12-01 18:11:28,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 18:11:28,319 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-01 18:11:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:11:28,319 INFO L225 Difference]: With dead ends: 1991 [2018-12-01 18:11:28,319 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 18:11:28,322 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 [2018-12-01 18:11:28,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 18:11:28,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 18:11:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 18:11:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 18:11:28,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-01 18:11:28,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:11:28,323 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 18:11:28,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 18:11:28,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 18:11:28,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:11:28,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 18:11:28,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:28,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:11:29,365 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2018-12-01 18:11:29,713 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2018-12-01 18:11:30,538 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2018-12-01 18:11:30,638 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2018-12-01 18:11:30,638 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2018-12-01 18:11:30,638 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2018-12-01 18:11:30,638 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2018-12-01 18:11:30,638 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2018-12-01 18:11:30,638 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,638 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,638 INFO L444 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,638 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-12-01 18:11:30,638 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-12-01 18:11:30,638 INFO L448 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-12-01 18:11:30,638 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,639 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,639 INFO L444 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2018-12-01 18:11:30,639 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2018-12-01 18:11:30,639 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,639 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L451 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) 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))) [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L444 ceAbstractionStarter]: At program point L342(line 342) 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))) [2018-12-01 18:11:30,640 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~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))) [2018-12-01 18:11:30,640 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2))) [2018-12-01 18:11:30,640 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-12-01 18:11:30,640 INFO L444 ceAbstractionStarter]: At program point L334(line 334) 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))) [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2018-12-01 18:11:30,641 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,641 INFO L444 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L444 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3))) [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3))) [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-12-01 18:11:30,641 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L444 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2))) [2018-12-01 18:11:30,642 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2))) [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) 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)) [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 18:11:30,642 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)) [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L444 ceAbstractionStarter]: At program point L367(line 367) 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))) [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2018-12-01 18:11:30,642 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) 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))) [2018-12-01 18:11:30,643 INFO L444 ceAbstractionStarter]: At program point L373(line 373) 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~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse0 .cse3 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse4))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or .cse4 (or .cse0 .cse1 .cse3 .cse5)) (or (or .cse6 .cse3 .cse7) .cse8) (or (or .cse1 .cse3 .cse5 .cse7) (and .cse2 .cse4)) (or (or .cse1 .cse6 .cse3 .cse7) .cse2) (or (or .cse0 .cse6 .cse3) .cse8)))) [2018-12-01 18:11:30,643 INFO L444 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse6 (and (not (= |old(~pumpRunning~0)| 0)) .cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse4 (and .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 (or .cse7 .cse1 .cse3)) (or (and .cse8 .cse5) (or .cse9 .cse7 .cse1) .cse6) (or .cse4 (or .cse9 .cse0 .cse1 .cse2))))) [2018-12-01 18:11:30,643 INFO L444 ceAbstractionStarter]: At program point L276(line 276) 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))) [2018-12-01 18:11:30,643 INFO L448 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-12-01 18:11:30,643 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or (or .cse5 .cse3 .cse6 .cse4) .cse0) (or .cse0 (or .cse1 .cse5 .cse3 .cse6)))) [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-12-01 18:11:30,644 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-12-01 18:11:30,644 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) 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))) [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-12-01 18:11:30,644 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-12-01 18:11:30,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 18:11:30,644 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)) [2018-12-01 18:11:30,644 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< ~waterLevel~0 2)) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)))) (or .cse0 .cse2 (< ~waterLevel~0 1) .cse3 .cse4) (or .cse0 (or .cse5 .cse3 .cse4)) (or .cse0 (or .cse1 .cse5 .cse3)))) [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L444 ceAbstractionStarter]: At program point L321(line 321) 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))) [2018-12-01 18:11:30,645 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L444 ceAbstractionStarter]: At program point L312(line 312) 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))) [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-12-01 18:11:30,645 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1))) (and (or (< |old(~waterLevel~0)| 2) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse3)))) [2018-12-01 18:11:30,645 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-01 18:11:30,646 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-01 18:11:30,646 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-01 18:11:30,646 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-01 18:11:30,646 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2018-12-01 18:11:30,646 INFO L444 ceAbstractionStarter]: At program point L504(line 504) 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))) [2018-12-01 18:11:30,646 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2018-12-01 18:11:30,646 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-12-01 18:11:30,646 INFO L444 ceAbstractionStarter]: At program point L500(line 500) 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))) [2018-12-01 18:11:30,646 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-12-01 18:11:30,646 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-01 18:11:30,646 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2018-12-01 18:11:30,646 INFO L451 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2018-12-01 18:11:30,646 INFO L448 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-12-01 18:11:30,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 06:11:30 BoogieIcfgContainer [2018-12-01 18:11:30,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 18:11:30,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:11:30,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:11:30,655 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:11:30,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:11:22" (3/4) ... [2018-12-01 18:11:30,657 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:11:30,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 18:11:30,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 18:11:30,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 18:11:30,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 18:11:30,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 18:11:30,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 18:11:30,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 18:11:30,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 18:11:30,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-01 18:11:30,667 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-01 18:11:30,667 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 18:11:30,667 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 18:11:30,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 18:11:30,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 18:11:30,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:11:30,685 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && systemActive == 1) && splverifierCounter == 0) [2018-12-01 18:11:30,685 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 18:11:30,713 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bcc9dcae-ccca-499d-95d2-e7f872542ad6/bin-2019/uautomizer/witness.graphml [2018-12-01 18:11:30,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:11:30,714 INFO L168 Benchmark]: Toolchain (without parser) took 8555.21 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 374.9 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -212.0 MB). Peak memory consumption was 162.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:11:30,714 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:11:30,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.65 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: -138.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-12-01 18:11:30,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.83 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. [2018-12-01 18:11:30,714 INFO L168 Benchmark]: Boogie Preprocessor took 30.50 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. [2018-12-01 18:11:30,714 INFO L168 Benchmark]: RCFGBuilder took 386.87 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:11:30,715 INFO L168 Benchmark]: TraceAbstraction took 7776.15 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 262.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -135.5 MB). Peak memory consumption was 543.3 MB. Max. memory is 11.5 GB. [2018-12-01 18:11:30,715 INFO L168 Benchmark]: Witness Printer took 58.36 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:11:30,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.65 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: -138.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.83 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 30.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 386.87 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7776.15 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 262.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -135.5 MB). Peak memory consumption was 543.3 MB. Max. memory is 11.5 GB. * Witness Printer took 58.36 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2472 SDtfs, 2216 SDslu, 7191 SDs, 0 SdLazy, 4786 SolverSat, 1006 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 472 SyntacticMatches, 3 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1557occurred in iteration=12, 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, 13 MinimizatonAttempts, 512 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2375 PreInvPairs, 2452 NumberOfFragments, 2040 HoareAnnotationTreeSize, 2375 FomulaSimplifications, 11666 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 9273 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1668 NumberOfCodeBlocks, 1668 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1652 ConstructedInterpolants, 0 QuantifiedInterpolants, 320654 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2531 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 188/198 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...