./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/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 9bd2750697477c749a894a241eb18460dbfa6e62 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:46:12,464 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:46:12,465 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:46:12,474 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:46:12,475 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:46:12,475 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:46:12,476 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:46:12,477 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:46:12,479 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:46:12,479 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:46:12,480 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:46:12,480 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:46:12,481 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:46:12,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:46:12,482 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:46:12,483 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:46:12,484 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:46:12,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:46:12,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:46:12,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:46:12,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:46:12,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:46:12,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:46:12,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:46:12,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:46:12,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:46:12,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:46:12,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:46:12,494 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:46:12,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:46:12,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:46:12,495 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:46:12,495 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:46:12,496 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:46:12,496 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:46:12,497 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:46:12,497 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 14:46:12,507 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:46:12,507 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:46:12,508 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:46:12,508 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:46:12,508 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:46:12,508 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:46:12,509 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:46:12,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:46:12,509 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:46:12,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:46:12,509 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:46:12,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:46:12,509 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:46:12,509 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:46:12,510 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:46:12,510 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:46:12,510 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:46:12,510 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:46:12,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:46:12,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:46:12,510 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:46:12,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:46:12,511 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:46:12,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:46:12,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:46:12,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:46:12,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:46:12,511 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:46:12,512 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:46:12,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:46:12,512 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_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/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 -> 9bd2750697477c749a894a241eb18460dbfa6e62 [2018-11-23 14:46:12,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:46:12,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:46:12,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:46:12,548 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:46:12,548 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:46:12,549 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-11-23 14:46:12,585 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/data/50e5b11fb/0dd0741fb7a14f1f9e55b996988e37a0/FLAGce171579a [2018-11-23 14:46:12,956 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:46:12,956 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-11-23 14:46:12,963 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/data/50e5b11fb/0dd0741fb7a14f1f9e55b996988e37a0/FLAGce171579a [2018-11-23 14:46:13,349 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/data/50e5b11fb/0dd0741fb7a14f1f9e55b996988e37a0 [2018-11-23 14:46:13,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:46:13,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:46:13,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:46:13,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:46:13,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:46:13,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13, skipping insertion in model container [2018-11-23 14:46:13,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:46:13,400 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:46:13,609 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:46:13,617 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:46:13,740 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:46:13,760 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:46:13,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13 WrapperNode [2018-11-23 14:46:13,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:46:13,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:46:13,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:46:13,761 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:46:13,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:46:13,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:46:13,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:46:13,790 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:46:13,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... [2018-11-23 14:46:13,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:46:13,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:46:13,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:46:13,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:46:13,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:46:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 14:46:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 14:46:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:46:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:46:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 14:46:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 14:46:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:46:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 14:46:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 14:46:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 14:46:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 14:46:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 14:46:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 14:46:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 14:46:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 14:46:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 14:46:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 14:46:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:46:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:46:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 14:46:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 14:46:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 14:46:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 14:46:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 14:46:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 14:46:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 14:46:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 14:46:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 14:46:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 14:46:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 14:46:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 14:46:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 14:46:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 14:46:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 14:46:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 14:46:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:46:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:46:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 14:46:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 14:46:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 14:46:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 14:46:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 14:46:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 14:46:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 14:46:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 14:46:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 14:46:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 14:46:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 14:46:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 14:46:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 14:46:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 14:46:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 14:46:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 14:46:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 14:46:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 14:46:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 14:46:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 14:46:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:46:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:46:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:46:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 14:46:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 14:46:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 14:46:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 14:46:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:46:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:46:14,306 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:46:14,307 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 14:46:14,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:46:14 BoogieIcfgContainer [2018-11-23 14:46:14,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:46:14,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:46:14,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:46:14,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:46:14,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:46:13" (1/3) ... [2018-11-23 14:46:14,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59099d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:46:14, skipping insertion in model container [2018-11-23 14:46:14,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:13" (2/3) ... [2018-11-23 14:46:14,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59099d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:46:14, skipping insertion in model container [2018-11-23 14:46:14,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:46:14" (3/3) ... [2018-11-23 14:46:14,314 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-11-23 14:46:14,323 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:46:14,330 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:46:14,345 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:46:14,373 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:46:14,373 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:46:14,374 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:46:14,374 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:46:14,374 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:46:14,374 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:46:14,374 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:46:14,374 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:46:14,374 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:46:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-11-23 14:46:14,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 14:46:14,402 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:14,403 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] [2018-11-23 14:46:14,406 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:14,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:14,411 INFO L82 PathProgramCache]: Analyzing trace with hash -120444020, now seen corresponding path program 1 times [2018-11-23 14:46:14,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:14,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:14,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:14,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:14,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:46:14,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:14,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:46:14,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:46:14,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:46:14,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:46:14,643 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-11-23 14:46:14,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:14,675 INFO L93 Difference]: Finished difference Result 302 states and 369 transitions. [2018-11-23 14:46:14,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:46:14,676 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 14:46:14,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:14,684 INFO L225 Difference]: With dead ends: 302 [2018-11-23 14:46:14,684 INFO L226 Difference]: Without dead ends: 153 [2018-11-23 14:46:14,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:46:14,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-23 14:46:14,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-23 14:46:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-23 14:46:14,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2018-11-23 14:46:14,727 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2018-11-23 14:46:14,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:14,727 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2018-11-23 14:46:14,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:46:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2018-11-23 14:46:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 14:46:14,730 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:14,730 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] [2018-11-23 14:46:14,731 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:14,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:14,731 INFO L82 PathProgramCache]: Analyzing trace with hash 827248448, now seen corresponding path program 1 times [2018-11-23 14:46:14,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:14,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:14,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:14,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:14,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:46:14,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:14,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:46:14,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:46:14,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:46:14,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:46:14,823 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 3 states. [2018-11-23 14:46:14,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:14,848 INFO L93 Difference]: Finished difference Result 251 states and 291 transitions. [2018-11-23 14:46:14,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:46:14,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 14:46:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:14,850 INFO L225 Difference]: With dead ends: 251 [2018-11-23 14:46:14,850 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 14:46:14,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:46:14,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 14:46:14,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-23 14:46:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 14:46:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2018-11-23 14:46:14,864 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 60 [2018-11-23 14:46:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:14,864 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2018-11-23 14:46:14,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:46:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2018-11-23 14:46:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 14:46:14,866 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:14,866 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] [2018-11-23 14:46:14,867 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:14,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:14,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1130531831, now seen corresponding path program 1 times [2018-11-23 14:46:14,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:14,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:14,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:14,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:14,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:46:14,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:14,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:46:14,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:46:14,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:46:14,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:46:14,997 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand 7 states. [2018-11-23 14:46:15,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:15,233 INFO L93 Difference]: Finished difference Result 260 states and 305 transitions. [2018-11-23 14:46:15,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:46:15,233 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 14:46:15,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:15,235 INFO L225 Difference]: With dead ends: 260 [2018-11-23 14:46:15,235 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 14:46:15,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:46:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 14:46:15,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-23 14:46:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 14:46:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2018-11-23 14:46:15,247 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 64 [2018-11-23 14:46:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:15,249 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2018-11-23 14:46:15,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:46:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2018-11-23 14:46:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 14:46:15,251 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:15,251 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] [2018-11-23 14:46:15,252 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:15,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:15,252 INFO L82 PathProgramCache]: Analyzing trace with hash -761880987, now seen corresponding path program 1 times [2018-11-23 14:46:15,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:15,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:15,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:15,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:15,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:46:15,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:15,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:46:15,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:46:15,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:46:15,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:46:15,346 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand 5 states. [2018-11-23 14:46:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:15,696 INFO L93 Difference]: Finished difference Result 363 states and 435 transitions. [2018-11-23 14:46:15,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:46:15,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-11-23 14:46:15,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:15,699 INFO L225 Difference]: With dead ends: 363 [2018-11-23 14:46:15,700 INFO L226 Difference]: Without dead ends: 247 [2018-11-23 14:46:15,701 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 [2018-11-23 14:46:15,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-11-23 14:46:15,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 229. [2018-11-23 14:46:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-23 14:46:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 262 transitions. [2018-11-23 14:46:15,724 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 262 transitions. Word has length 77 [2018-11-23 14:46:15,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:15,724 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 262 transitions. [2018-11-23 14:46:15,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:46:15,725 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 262 transitions. [2018-11-23 14:46:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 14:46:15,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:15,727 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] [2018-11-23 14:46:15,727 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:15,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:15,728 INFO L82 PathProgramCache]: Analyzing trace with hash -835921592, now seen corresponding path program 1 times [2018-11-23 14:46:15,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:15,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:15,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:15,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:15,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:46:15,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:15,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:46:15,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:46:15,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:46:15,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:46:15,827 INFO L87 Difference]: Start difference. First operand 229 states and 262 transitions. Second operand 7 states. [2018-11-23 14:46:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:16,252 INFO L93 Difference]: Finished difference Result 447 states and 527 transitions. [2018-11-23 14:46:16,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 14:46:16,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-11-23 14:46:16,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:16,258 INFO L225 Difference]: With dead ends: 447 [2018-11-23 14:46:16,258 INFO L226 Difference]: Without dead ends: 246 [2018-11-23 14:46:16,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 14:46:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-11-23 14:46:16,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2018-11-23 14:46:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-11-23 14:46:16,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2018-11-23 14:46:16,278 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 91 [2018-11-23 14:46:16,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:16,278 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2018-11-23 14:46:16,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:46:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2018-11-23 14:46:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 14:46:16,280 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:16,280 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:46:16,280 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:16,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:16,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1679174029, now seen corresponding path program 1 times [2018-11-23 14:46:16,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:16,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:16,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:16,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:16,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:46:16,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:16,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:46:16,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:46:16,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:46:16,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:46:16,358 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand 6 states. [2018-11-23 14:46:16,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:16,381 INFO L93 Difference]: Finished difference Result 435 states and 506 transitions. [2018-11-23 14:46:16,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:46:16,382 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-11-23 14:46:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:16,384 INFO L225 Difference]: With dead ends: 435 [2018-11-23 14:46:16,384 INFO L226 Difference]: Without dead ends: 235 [2018-11-23 14:46:16,385 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 [2018-11-23 14:46:16,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-23 14:46:16,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2018-11-23 14:46:16,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-11-23 14:46:16,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 264 transitions. [2018-11-23 14:46:16,398 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 264 transitions. Word has length 107 [2018-11-23 14:46:16,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:16,399 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 264 transitions. [2018-11-23 14:46:16,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:46:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2018-11-23 14:46:16,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 14:46:16,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:16,400 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:46:16,400 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:16,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:16,400 INFO L82 PathProgramCache]: Analyzing trace with hash 249098673, now seen corresponding path program 1 times [2018-11-23 14:46:16,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:16,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:16,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:16,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:16,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:46:16,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:16,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 14:46:16,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:46:16,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:46:16,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:46:16,475 INFO L87 Difference]: Start difference. First operand 233 states and 264 transitions. Second operand 8 states. [2018-11-23 14:46:16,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:16,496 INFO L93 Difference]: Finished difference Result 445 states and 517 transitions. [2018-11-23 14:46:16,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:46:16,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-11-23 14:46:16,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:16,498 INFO L225 Difference]: With dead ends: 445 [2018-11-23 14:46:16,498 INFO L226 Difference]: Without dead ends: 240 [2018-11-23 14:46:16,499 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 [2018-11-23 14:46:16,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-11-23 14:46:16,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2018-11-23 14:46:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-11-23 14:46:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2018-11-23 14:46:16,511 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 107 [2018-11-23 14:46:16,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:16,511 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2018-11-23 14:46:16,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:46:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2018-11-23 14:46:16,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 14:46:16,512 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:16,512 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:46:16,513 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:16,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:16,513 INFO L82 PathProgramCache]: Analyzing trace with hash 8558544, now seen corresponding path program 1 times [2018-11-23 14:46:16,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:16,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:16,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:16,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:16,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:46:16,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:16,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:46:16,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:46:16,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:46:16,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:46:16,584 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand 4 states. [2018-11-23 14:46:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:16,712 INFO L93 Difference]: Finished difference Result 673 states and 799 transitions. [2018-11-23 14:46:16,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:46:16,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-11-23 14:46:16,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:16,715 INFO L225 Difference]: With dead ends: 673 [2018-11-23 14:46:16,716 INFO L226 Difference]: Without dead ends: 464 [2018-11-23 14:46:16,716 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 [2018-11-23 14:46:16,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-11-23 14:46:16,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 455. [2018-11-23 14:46:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-23 14:46:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 530 transitions. [2018-11-23 14:46:16,741 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 530 transitions. Word has length 107 [2018-11-23 14:46:16,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:16,741 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 530 transitions. [2018-11-23 14:46:16,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:46:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 530 transitions. [2018-11-23 14:46:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 14:46:16,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:16,743 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:46:16,743 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:16,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:16,744 INFO L82 PathProgramCache]: Analyzing trace with hash 576913622, now seen corresponding path program 1 times [2018-11-23 14:46:16,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:16,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:16,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:16,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:16,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:46:16,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:46:16,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 14:46:16,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:46:16,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:46:16,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:46:16,855 INFO L87 Difference]: Start difference. First operand 455 states and 530 transitions. Second operand 9 states. [2018-11-23 14:46:17,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:17,603 INFO L93 Difference]: Finished difference Result 1194 states and 1455 transitions. [2018-11-23 14:46:17,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 14:46:17,604 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2018-11-23 14:46:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:17,607 INFO L225 Difference]: With dead ends: 1194 [2018-11-23 14:46:17,608 INFO L226 Difference]: Without dead ends: 835 [2018-11-23 14:46:17,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 14:46:17,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2018-11-23 14:46:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 762. [2018-11-23 14:46:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2018-11-23 14:46:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 877 transitions. [2018-11-23 14:46:17,654 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 877 transitions. Word has length 111 [2018-11-23 14:46:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:17,655 INFO L480 AbstractCegarLoop]: Abstraction has 762 states and 877 transitions. [2018-11-23 14:46:17,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:46:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 877 transitions. [2018-11-23 14:46:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 14:46:17,657 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:17,657 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, 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] [2018-11-23 14:46:17,657 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:17,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:17,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1838730804, now seen corresponding path program 1 times [2018-11-23 14:46:17,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:17,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:17,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:17,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:17,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 14:46:17,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:46:17,801 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:46:17,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:17,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:46:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:46:18,076 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 14:46:18,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-23 14:46:18,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 14:46:18,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 14:46:18,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-23 14:46:18,077 INFO L87 Difference]: Start difference. First operand 762 states and 877 transitions. Second operand 16 states. [2018-11-23 14:46:18,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:18,943 INFO L93 Difference]: Finished difference Result 1696 states and 2033 transitions. [2018-11-23 14:46:18,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 14:46:18,944 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 172 [2018-11-23 14:46:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:18,948 INFO L225 Difference]: With dead ends: 1696 [2018-11-23 14:46:18,948 INFO L226 Difference]: Without dead ends: 1028 [2018-11-23 14:46:18,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-11-23 14:46:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2018-11-23 14:46:18,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 908. [2018-11-23 14:46:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2018-11-23 14:46:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1057 transitions. [2018-11-23 14:46:18,996 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1057 transitions. Word has length 172 [2018-11-23 14:46:18,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:18,996 INFO L480 AbstractCegarLoop]: Abstraction has 908 states and 1057 transitions. [2018-11-23 14:46:18,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 14:46:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1057 transitions. [2018-11-23 14:46:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-11-23 14:46:19,001 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:19,001 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 14:46:19,001 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:19,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:19,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1628202343, now seen corresponding path program 1 times [2018-11-23 14:46:19,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:19,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:19,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:19,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:19,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 92 proven. 16 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-11-23 14:46:19,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:46:19,178 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:46:19,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:19,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:46:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 14:46:19,448 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 14:46:19,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-23 14:46:19,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 14:46:19,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 14:46:19,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:46:19,450 INFO L87 Difference]: Start difference. First operand 908 states and 1057 transitions. Second operand 18 states. [2018-11-23 14:46:21,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:21,294 INFO L93 Difference]: Finished difference Result 2398 states and 2962 transitions. [2018-11-23 14:46:21,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 14:46:21,295 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 303 [2018-11-23 14:46:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:21,301 INFO L225 Difference]: With dead ends: 2398 [2018-11-23 14:46:21,301 INFO L226 Difference]: Without dead ends: 1298 [2018-11-23 14:46:21,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-11-23 14:46:21,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2018-11-23 14:46:21,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1197. [2018-11-23 14:46:21,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2018-11-23 14:46:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1378 transitions. [2018-11-23 14:46:21,371 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1378 transitions. Word has length 303 [2018-11-23 14:46:21,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:21,372 INFO L480 AbstractCegarLoop]: Abstraction has 1197 states and 1378 transitions. [2018-11-23 14:46:21,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 14:46:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1378 transitions. [2018-11-23 14:46:21,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-11-23 14:46:21,379 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:46:21,379 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:46:21,379 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:46:21,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:46:21,380 INFO L82 PathProgramCache]: Analyzing trace with hash 451230404, now seen corresponding path program 1 times [2018-11-23 14:46:21,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:46:21,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:46:21,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:21,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:21,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:46:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-11-23 14:46:21,529 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:46:21,529 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:46:21,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:46:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:46:21,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:46:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-11-23 14:46:21,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:46:21,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 14:46:21,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 14:46:21,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 14:46:21,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 14:46:21,817 INFO L87 Difference]: Start difference. First operand 1197 states and 1378 transitions. Second operand 13 states. [2018-11-23 14:46:21,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:46:21,872 INFO L93 Difference]: Finished difference Result 1464 states and 1675 transitions. [2018-11-23 14:46:21,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 14:46:21,873 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 387 [2018-11-23 14:46:21,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:46:21,874 INFO L225 Difference]: With dead ends: 1464 [2018-11-23 14:46:21,874 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:46:21,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 14:46:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:46:21,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:46:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:46:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:46:21,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2018-11-23 14:46:21,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:46:21,877 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:46:21,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 14:46:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:46:21,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:46:21,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:46:21,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:21,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:21,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:21,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:46:22,604 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-23 14:46:22,990 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-23 14:46:23,710 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-23 14:46:24,183 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-23 14:46:24,183 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 667 674) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 667 674) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 667 674) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 675 684) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 675 684) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 675 684) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 707) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (<= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse4))) [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-11-23 14:46:24,184 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point L693-1(lines 685 713) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L451 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 685 713) the Hoare annotation is: true [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 685 713) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 166 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 166 188) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,185 INFO L444 ceAbstractionStarter]: At program point L178-1(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 183) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 183) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 166 188) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,185 INFO L444 ceAbstractionStarter]: At program point L172-1(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 916 924) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 916 924) the Hoare annotation is: true [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 916 924) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point L989(lines 989 993) no Hoare annotation was computed. [2018-11-23 14:46:24,185 INFO L451 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: true [2018-11-23 14:46:24,185 INFO L448 ceAbstractionStarter]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point L987-1(line 987) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 980 998) the Hoare annotation is: true [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 980 998) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 980 998) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-23 14:46:24,186 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,186 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 155 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 155 165) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 155 165) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 905 915) the Hoare annotation is: true [2018-11-23 14:46:24,186 INFO L451 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 905 915) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 905 915) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 897 904) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 897 904) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 897 904) no Hoare annotation was computed. [2018-11-23 14:46:24,186 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 14:46:24,187 INFO L448 ceAbstractionStarter]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2018-11-23 14:46:24,187 INFO L444 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-23 14:46:24,187 INFO L444 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (and (= processEnvironment_~tmp~7 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 14:46:24,187 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 846 870) no Hoare annotation was computed. [2018-11-23 14:46:24,187 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 862) no Hoare annotation was computed. [2018-11-23 14:46:24,187 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 14:46:24,187 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 846 870) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 14:46:24,187 INFO L448 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2018-11-23 14:46:24,187 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 867) no Hoare annotation was computed. [2018-11-23 14:46:24,187 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-23 14:46:24,187 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 275 288) no Hoare annotation was computed. [2018-11-23 14:46:24,187 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 275 288) the Hoare annotation is: true [2018-11-23 14:46:24,187 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 275 288) no Hoare annotation was computed. [2018-11-23 14:46:24,188 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2018-11-23 14:46:24,188 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2018-11-23 14:46:24,188 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-11-23 14:46:24,188 INFO L444 ceAbstractionStarter]: At program point L768(lines 725 770) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 14:46:24,188 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 715 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,188 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2018-11-23 14:46:24,188 INFO L448 ceAbstractionStarter]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2018-11-23 14:46:24,188 INFO L448 ceAbstractionStarter]: For program point L727(lines 727 731) no Hoare annotation was computed. [2018-11-23 14:46:24,188 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 715 778) no Hoare annotation was computed. [2018-11-23 14:46:24,188 INFO L444 ceAbstractionStarter]: At program point L771(lines 724 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 14:46:24,188 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L444 ceAbstractionStarter]: At program point L761-2(lines 755 766) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point L726(lines 725 770) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point L755(lines 755 766) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L444 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point L745(lines 745 751) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 715 778) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 871 878) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 871 878) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 871 878) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 289 297) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 289 297) the Hoare annotation is: true [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 289 297) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 896) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L444 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 880 896) no Hoare annotation was computed. [2018-11-23 14:46:24,189 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 896) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 14:46:24,189 INFO L448 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 961 979) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 974) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L451 ceAbstractionStarter]: At program point L968(line 968) the Hoare annotation is: true [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 961 979) the Hoare annotation is: true [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 961 979) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 266 274) the Hoare annotation is: true [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 266 274) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 266 274) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point L226-1(lines 222 233) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 222 233) the Hoare annotation is: true [2018-11-23 14:46:24,190 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 222 233) no Hoare annotation was computed. [2018-11-23 14:46:24,190 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 234 242) the Hoare annotation is: true [2018-11-23 14:46:24,191 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 234 242) no Hoare annotation was computed. [2018-11-23 14:46:24,191 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 234 242) no Hoare annotation was computed. [2018-11-23 14:46:24,191 INFO L444 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-23 14:46:24,191 INFO L444 ceAbstractionStarter]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-23 14:46:24,191 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 14:46:24,191 INFO L448 ceAbstractionStarter]: For program point L792(lines 788 810) no Hoare annotation was computed. [2018-11-23 14:46:24,191 INFO L448 ceAbstractionStarter]: For program point L790(lines 788 810) no Hoare annotation was computed. [2018-11-23 14:46:24,191 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 785 811) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-23 14:46:24,191 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 785 811) no Hoare annotation was computed. [2018-11-23 14:46:24,192 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 785 811) no Hoare annotation was computed. [2018-11-23 14:46:24,192 INFO L451 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2018-11-23 14:46:24,192 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2018-11-23 14:46:24,192 INFO L451 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-23 14:46:24,192 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-23 14:46:24,192 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2018-11-23 14:46:24,192 INFO L451 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2018-11-23 14:46:24,192 INFO L448 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-11-23 14:46:24,192 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-11-23 14:46:24,192 INFO L451 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2018-11-23 14:46:24,192 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 14:46:24,192 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 198 209) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 14:46:24,192 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 198 209) no Hoare annotation was computed. [2018-11-23 14:46:24,193 INFO L448 ceAbstractionStarter]: For program point L202-1(lines 198 209) no Hoare annotation was computed. [2018-11-23 14:46:24,193 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2018-11-23 14:46:24,193 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2018-11-23 14:46:24,193 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:46:24,193 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 14:46:24,193 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:46:24,193 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:46:24,193 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 14:46:24,193 INFO L444 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-23 14:46:24,193 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 836) no Hoare annotation was computed. [2018-11-23 14:46:24,193 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2018-11-23 14:46:24,194 INFO L444 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 14:46:24,194 INFO L448 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2018-11-23 14:46:24,194 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 841) no Hoare annotation was computed. [2018-11-23 14:46:24,194 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 14:46:24,194 INFO L448 ceAbstractionStarter]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2018-11-23 14:46:24,194 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse0 .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 14:46:24,194 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 210 221) no Hoare annotation was computed. [2018-11-23 14:46:24,194 INFO L448 ceAbstractionStarter]: For program point L214-1(lines 210 221) no Hoare annotation was computed. [2018-11-23 14:46:24,194 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 210 221) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-23 14:46:24,194 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 14:46:24,195 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 14:46:24,195 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 14:46:24,195 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 14:46:24,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:46:24 BoogieIcfgContainer [2018-11-23 14:46:24,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:46:24,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:46:24,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:46:24,206 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:46:24,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:46:14" (3/4) ... [2018-11-23 14:46:24,209 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:46:24,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 14:46:24,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 14:46:24,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 14:46:24,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 14:46:24,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 14:46:24,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:46:24,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 14:46:24,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 14:46:24,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 14:46:24,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 14:46:24,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 14:46:24,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 14:46:24,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 14:46:24,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 14:46:24,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 14:46:24,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:46:24,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 14:46:24,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 14:46:24,225 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 14:46:24,225 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 14:46:24,226 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 14:46:24,226 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:46:24,226 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:46:24,227 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:46:24,227 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:46:24,250 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-23 14:46:24,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 14:46:24,284 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9a5bcc2-c573-4dc3-ac85-8cb05c185bda/bin-2019/uautomizer/witness.graphml [2018-11-23 14:46:24,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:46:24,285 INFO L168 Benchmark]: Toolchain (without parser) took 10932.30 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 553.1 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -229.0 MB). Peak memory consumption was 324.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:46:24,286 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:46:24,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -201.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:46:24,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:46:24,286 INFO L168 Benchmark]: Boogie Preprocessor took 34.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:46:24,286 INFO L168 Benchmark]: RCFGBuilder took 482.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:46:24,287 INFO L168 Benchmark]: TraceAbstraction took 9897.03 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 389.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -85.1 MB). Peak memory consumption was 526.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:46:24,287 INFO L168 Benchmark]: Witness Printer took 78.97 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 543.8 kB). Peak memory consumption was 543.8 kB. Max. memory is 11.5 GB. [2018-11-23 14:46:24,289 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -201.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 482.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9897.03 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 389.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -85.1 MB). Peak memory consumption was 526.0 MB. Max. memory is 11.5 GB. * Witness Printer took 78.97 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 543.8 kB). Peak memory consumption was 543.8 kB. 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 166 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2409 SDtfs, 2419 SDslu, 8067 SDs, 0 SdLazy, 5467 SolverSat, 1206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1049 GetRequests, 910 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1197occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 344 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1873 PreInvPairs, 1944 NumberOfFragments, 1663 HoareAnnotationTreeSize, 1873 FomulaSimplifications, 9624 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 13355 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2507 NumberOfCodeBlocks, 2507 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2492 ConstructedInterpolants, 0 QuantifiedInterpolants, 791838 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3633 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1728/1787 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...