./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/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 f0abcca86e101e0402ce9c7a98a1409292a39ee1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:25:47,757 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:25:47,758 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:25:47,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:25:47,766 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:25:47,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:25:47,767 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:25:47,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:25:47,770 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:25:47,770 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:25:47,771 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:25:47,771 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:25:47,772 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:25:47,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:25:47,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:25:47,774 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:25:47,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:25:47,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:25:47,778 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:25:47,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:25:47,780 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:25:47,781 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:25:47,782 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:25:47,783 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:25:47,783 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:25:47,784 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:25:47,784 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:25:47,785 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:25:47,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:25:47,787 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:25:47,787 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:25:47,787 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:25:47,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:25:47,788 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:25:47,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:25:47,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:25:47,789 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:25:47,799 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:25:47,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:25:47,800 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:25:47,800 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:25:47,800 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:25:47,800 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:25:47,801 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:25:47,801 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:25:47,801 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:25:47,801 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:25:47,801 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:25:47,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:25:47,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:25:47,801 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:25:47,802 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:25:47,802 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:25:47,802 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:25:47,803 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:25:47,803 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:25:47,803 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:25:47,803 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:25:47,803 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:25:47,803 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:25:47,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:25:47,804 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:25:47,804 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:25:47,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:25:47,804 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:25:47,804 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:25:47,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:25:47,804 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_f4bf5e42-50f7-457f-9060-d03634a0289e/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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2018-11-28 12:25:47,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:25:47,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:25:47,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:25:47,837 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:25:47,837 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:25:47,838 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:25:47,878 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/data/e7dcb88d9/fcc8cf1b544c4b67afdea49bcabc1eaf/FLAG80cadde66 [2018-11-28 12:25:48,218 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:25:48,219 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:25:48,225 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/data/e7dcb88d9/fcc8cf1b544c4b67afdea49bcabc1eaf/FLAG80cadde66 [2018-11-28 12:25:48,235 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/data/e7dcb88d9/fcc8cf1b544c4b67afdea49bcabc1eaf [2018-11-28 12:25:48,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:25:48,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:25:48,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:25:48,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:25:48,242 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:25:48,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48, skipping insertion in model container [2018-11-28 12:25:48,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:25:48,277 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:25:48,481 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:25:48,538 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:25:48,599 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:25:48,616 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:25:48,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48 WrapperNode [2018-11-28 12:25:48,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:25:48,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:25:48,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:25:48,618 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:25:48,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:25:48,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:25:48,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:25:48,645 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:25:48,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... [2018-11-28 12:25:48,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:25:48,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:25:48,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:25:48,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:25:48,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:25:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:25:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:25:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:25:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:25:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:25:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:25:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:25:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:25:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:25:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:25:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:25:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:25:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:25:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:25:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:25:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:25:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:25:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:25:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:25:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:25:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:25:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:25:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:25:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:25:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:25:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:25:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:25:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:25:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:25:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:25:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:25:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:25:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:25:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:25:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:25:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:25:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:25:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:25:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:25:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:25:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:25:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:25:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:25:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:25:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:25:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:25:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:25:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:25:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:25:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:25:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:25:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:25:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:25:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:25:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:25:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:25:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:25:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:25:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:25:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:25:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:25:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:25:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:25:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:25:49,199 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:25:49,199 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:25:49,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:25:49 BoogieIcfgContainer [2018-11-28 12:25:49,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:25:49,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:25:49,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:25:49,204 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:25:49,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:25:48" (1/3) ... [2018-11-28 12:25:49,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33732936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:25:49, skipping insertion in model container [2018-11-28 12:25:49,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:25:48" (2/3) ... [2018-11-28 12:25:49,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33732936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:25:49, skipping insertion in model container [2018-11-28 12:25:49,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:25:49" (3/3) ... [2018-11-28 12:25:49,207 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:25:49,213 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:25:49,219 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:25:49,229 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:25:49,250 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:25:49,251 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:25:49,251 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:25:49,251 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:25:49,251 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:25:49,251 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:25:49,251 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:25:49,251 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:25:49,251 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:25:49,269 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-28 12:25:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:25:49,276 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:49,277 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:49,279 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:49,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:49,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1271875382, now seen corresponding path program 1 times [2018-11-28 12:25:49,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:49,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:49,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:49,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:49,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:49,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:49,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:25:49,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:25:49,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:25:49,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:25:49,482 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-28 12:25:49,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:49,511 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2018-11-28 12:25:49,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:25:49,512 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 12:25:49,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:49,523 INFO L225 Difference]: With dead ends: 300 [2018-11-28 12:25:49,523 INFO L226 Difference]: Without dead ends: 150 [2018-11-28 12:25:49,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:25:49,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-28 12:25:49,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-28 12:25:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-28 12:25:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2018-11-28 12:25:49,570 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 52 [2018-11-28 12:25:49,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:49,570 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2018-11-28 12:25:49,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:25:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2018-11-28 12:25:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:25:49,573 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:49,573 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:49,573 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:49,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:49,574 INFO L82 PathProgramCache]: Analyzing trace with hash -34531406, now seen corresponding path program 1 times [2018-11-28 12:25:49,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:49,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:49,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:49,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:49,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:49,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:49,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:25:49,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:25:49,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:25:49,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:25:49,647 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand 3 states. [2018-11-28 12:25:49,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:49,665 INFO L93 Difference]: Finished difference Result 245 states and 285 transitions. [2018-11-28 12:25:49,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:25:49,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 12:25:49,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:49,667 INFO L225 Difference]: With dead ends: 245 [2018-11-28 12:25:49,667 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 12:25:49,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:25:49,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 12:25:49,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 12:25:49,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 12:25:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-11-28 12:25:49,680 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2018-11-28 12:25:49,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:49,680 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-11-28 12:25:49,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:25:49,680 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-11-28 12:25:49,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 12:25:49,682 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:49,682 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:49,682 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:49,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:49,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1148135132, now seen corresponding path program 1 times [2018-11-28 12:25:49,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:49,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:49,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:49,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:49,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:49,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:49,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:25:49,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:25:49,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:25:49,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:25:49,799 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-11-28 12:25:50,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:50,072 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2018-11-28 12:25:50,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:25:50,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 12:25:50,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:50,074 INFO L225 Difference]: With dead ends: 258 [2018-11-28 12:25:50,074 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 12:25:50,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:25:50,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 12:25:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 12:25:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 12:25:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2018-11-28 12:25:50,086 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2018-11-28 12:25:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:50,086 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2018-11-28 12:25:50,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:25:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2018-11-28 12:25:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-28 12:25:50,088 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:50,088 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:50,089 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:50,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:50,089 INFO L82 PathProgramCache]: Analyzing trace with hash -139469963, now seen corresponding path program 1 times [2018-11-28 12:25:50,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:50,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:50,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:50,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:50,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:50,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:50,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:25:50,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:25:50,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:25:50,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:25:50,206 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2018-11-28 12:25:50,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:50,750 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2018-11-28 12:25:50,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:25:50,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-28 12:25:50,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:50,753 INFO L225 Difference]: With dead ends: 371 [2018-11-28 12:25:50,753 INFO L226 Difference]: Without dead ends: 254 [2018-11-28 12:25:50,754 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 [2018-11-28 12:25:50,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-28 12:25:50,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2018-11-28 12:25:50,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-11-28 12:25:50,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2018-11-28 12:25:50,775 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 71 [2018-11-28 12:25:50,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:50,776 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2018-11-28 12:25:50,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:25:50,776 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2018-11-28 12:25:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-28 12:25:50,777 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:50,778 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:50,778 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:50,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:50,778 INFO L82 PathProgramCache]: Analyzing trace with hash -2129755687, now seen corresponding path program 1 times [2018-11-28 12:25:50,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:50,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:50,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:50,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:50,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:50,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:50,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:25:50,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:25:50,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:25:50,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:25:50,861 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 6 states. [2018-11-28 12:25:51,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:51,021 INFO L93 Difference]: Finished difference Result 580 states and 691 transitions. [2018-11-28 12:25:51,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:25:51,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-28 12:25:51,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:51,027 INFO L225 Difference]: With dead ends: 580 [2018-11-28 12:25:51,027 INFO L226 Difference]: Without dead ends: 369 [2018-11-28 12:25:51,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:25:51,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-28 12:25:51,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-11-28 12:25:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-11-28 12:25:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 421 transitions. [2018-11-28 12:25:51,054 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 421 transitions. Word has length 85 [2018-11-28 12:25:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:51,054 INFO L480 AbstractCegarLoop]: Abstraction has 365 states and 421 transitions. [2018-11-28 12:25:51,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:25:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 421 transitions. [2018-11-28 12:25:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 12:25:51,056 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:51,056 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:51,056 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:51,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:51,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1166702943, now seen corresponding path program 1 times [2018-11-28 12:25:51,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:51,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:51,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:51,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:51,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:51,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:51,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:25:51,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:25:51,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:25:51,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:25:51,167 INFO L87 Difference]: Start difference. First operand 365 states and 421 transitions. Second operand 6 states. [2018-11-28 12:25:51,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:51,364 INFO L93 Difference]: Finished difference Result 782 states and 936 transitions. [2018-11-28 12:25:51,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:25:51,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 12:25:51,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:51,368 INFO L225 Difference]: With dead ends: 782 [2018-11-28 12:25:51,368 INFO L226 Difference]: Without dead ends: 571 [2018-11-28 12:25:51,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:25:51,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-11-28 12:25:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 553. [2018-11-28 12:25:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-11-28 12:25:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 651 transitions. [2018-11-28 12:25:51,401 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 651 transitions. Word has length 89 [2018-11-28 12:25:51,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:51,401 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 651 transitions. [2018-11-28 12:25:51,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:25:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 651 transitions. [2018-11-28 12:25:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 12:25:51,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:51,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:51,403 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:51,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:51,403 INFO L82 PathProgramCache]: Analyzing trace with hash 244019360, now seen corresponding path program 1 times [2018-11-28 12:25:51,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:51,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:51,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:51,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:51,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:51,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:51,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:25:51,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:25:51,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:25:51,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:25:51,448 INFO L87 Difference]: Start difference. First operand 553 states and 651 transitions. Second operand 5 states. [2018-11-28 12:25:51,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:51,479 INFO L93 Difference]: Finished difference Result 962 states and 1154 transitions. [2018-11-28 12:25:51,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:25:51,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-28 12:25:51,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:51,482 INFO L225 Difference]: With dead ends: 962 [2018-11-28 12:25:51,482 INFO L226 Difference]: Without dead ends: 563 [2018-11-28 12:25:51,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:25:51,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-11-28 12:25:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2018-11-28 12:25:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-11-28 12:25:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 654 transitions. [2018-11-28 12:25:51,512 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 654 transitions. Word has length 89 [2018-11-28 12:25:51,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:51,512 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 654 transitions. [2018-11-28 12:25:51,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:25:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 654 transitions. [2018-11-28 12:25:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 12:25:51,514 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:51,514 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:51,514 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:51,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:51,514 INFO L82 PathProgramCache]: Analyzing trace with hash -599986142, now seen corresponding path program 1 times [2018-11-28 12:25:51,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:51,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:51,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:51,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:51,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:51,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:51,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:51,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:25:51,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:25:51,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:25:51,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:25:51,584 INFO L87 Difference]: Start difference. First operand 557 states and 654 transitions. Second operand 9 states. [2018-11-28 12:25:51,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:51,639 INFO L93 Difference]: Finished difference Result 1107 states and 1326 transitions. [2018-11-28 12:25:51,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:25:51,641 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-28 12:25:51,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:51,643 INFO L225 Difference]: With dead ends: 1107 [2018-11-28 12:25:51,643 INFO L226 Difference]: Without dead ends: 574 [2018-11-28 12:25:51,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:25:51,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-11-28 12:25:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-11-28 12:25:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-11-28 12:25:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 661 transitions. [2018-11-28 12:25:51,672 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 661 transitions. Word has length 89 [2018-11-28 12:25:51,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:51,673 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 661 transitions. [2018-11-28 12:25:51,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:25:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 661 transitions. [2018-11-28 12:25:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-28 12:25:51,674 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:51,674 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] [2018-11-28 12:25:51,675 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:51,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:51,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1008052965, now seen corresponding path program 1 times [2018-11-28 12:25:51,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:51,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:51,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:51,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:51,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:25:51,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:25:51,756 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:25:51,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:51,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:25:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:25:52,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:25:52,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 12:25:52,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:25:52,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:25:52,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:25:52,007 INFO L87 Difference]: Start difference. First operand 564 states and 661 transitions. Second operand 14 states. [2018-11-28 12:25:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:52,634 INFO L93 Difference]: Finished difference Result 1529 states and 1851 transitions. [2018-11-28 12:25:52,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:25:52,634 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-11-28 12:25:52,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:52,638 INFO L225 Difference]: With dead ends: 1529 [2018-11-28 12:25:52,638 INFO L226 Difference]: Without dead ends: 989 [2018-11-28 12:25:52,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:25:52,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2018-11-28 12:25:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 986. [2018-11-28 12:25:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2018-11-28 12:25:52,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1146 transitions. [2018-11-28 12:25:52,691 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1146 transitions. Word has length 101 [2018-11-28 12:25:52,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:52,691 INFO L480 AbstractCegarLoop]: Abstraction has 986 states and 1146 transitions. [2018-11-28 12:25:52,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:25:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1146 transitions. [2018-11-28 12:25:52,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-28 12:25:52,694 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:52,694 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] [2018-11-28 12:25:52,694 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:52,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:52,694 INFO L82 PathProgramCache]: Analyzing trace with hash 968557213, now seen corresponding path program 1 times [2018-11-28 12:25:52,694 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:52,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:52,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:52,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:52,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:25:52,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:52,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:25:52,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:25:52,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:25:52,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:25:52,777 INFO L87 Difference]: Start difference. First operand 986 states and 1146 transitions. Second operand 10 states. [2018-11-28 12:25:53,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:53,090 INFO L93 Difference]: Finished difference Result 1958 states and 2279 transitions. [2018-11-28 12:25:53,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:25:53,090 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-28 12:25:53,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:53,094 INFO L225 Difference]: With dead ends: 1958 [2018-11-28 12:25:53,095 INFO L226 Difference]: Without dead ends: 996 [2018-11-28 12:25:53,097 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:25:53,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2018-11-28 12:25:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 948. [2018-11-28 12:25:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-11-28 12:25:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1071 transitions. [2018-11-28 12:25:53,148 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1071 transitions. Word has length 105 [2018-11-28 12:25:53,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:53,149 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1071 transitions. [2018-11-28 12:25:53,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:25:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1071 transitions. [2018-11-28 12:25:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-28 12:25:53,151 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:53,151 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] [2018-11-28 12:25:53,151 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:53,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:53,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1820463103, now seen corresponding path program 1 times [2018-11-28 12:25:53,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:53,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:53,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:53,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:53,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:25:53,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:25:53,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:25:53,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:25:53,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:25:53,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:25:53,268 INFO L87 Difference]: Start difference. First operand 948 states and 1071 transitions. Second operand 10 states. [2018-11-28 12:25:53,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:53,453 INFO L93 Difference]: Finished difference Result 1846 states and 2107 transitions. [2018-11-28 12:25:53,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:25:53,454 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-28 12:25:53,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:53,457 INFO L225 Difference]: With dead ends: 1846 [2018-11-28 12:25:53,457 INFO L226 Difference]: Without dead ends: 922 [2018-11-28 12:25:53,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:25:53,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2018-11-28 12:25:53,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 906. [2018-11-28 12:25:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-11-28 12:25:53,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1021 transitions. [2018-11-28 12:25:53,499 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1021 transitions. Word has length 105 [2018-11-28 12:25:53,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:53,499 INFO L480 AbstractCegarLoop]: Abstraction has 906 states and 1021 transitions. [2018-11-28 12:25:53,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:25:53,500 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1021 transitions. [2018-11-28 12:25:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-28 12:25:53,502 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:53,503 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:53,503 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:53,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:53,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1019303520, now seen corresponding path program 1 times [2018-11-28 12:25:53,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:53,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:53,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:53,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:53,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 12:25:53,554 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:25:53,554 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:25:53,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:53,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:25:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 12:25:53,817 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:25:53,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-11-28 12:25:53,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:25:53,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:25:53,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:25:53,818 INFO L87 Difference]: Start difference. First operand 906 states and 1021 transitions. Second operand 13 states. [2018-11-28 12:25:55,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:55,089 INFO L93 Difference]: Finished difference Result 2413 states and 2919 transitions. [2018-11-28 12:25:55,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 12:25:55,090 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 151 [2018-11-28 12:25:55,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:55,096 INFO L225 Difference]: With dead ends: 2413 [2018-11-28 12:25:55,097 INFO L226 Difference]: Without dead ends: 1531 [2018-11-28 12:25:55,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-11-28 12:25:55,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2018-11-28 12:25:55,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1298. [2018-11-28 12:25:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1298 states. [2018-11-28 12:25:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1449 transitions. [2018-11-28 12:25:55,166 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1449 transitions. Word has length 151 [2018-11-28 12:25:55,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:55,166 INFO L480 AbstractCegarLoop]: Abstraction has 1298 states and 1449 transitions. [2018-11-28 12:25:55,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:25:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1449 transitions. [2018-11-28 12:25:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 12:25:55,169 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:25:55,170 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:25:55,170 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:25:55,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:25:55,170 INFO L82 PathProgramCache]: Analyzing trace with hash -506950039, now seen corresponding path program 1 times [2018-11-28 12:25:55,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:25:55,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:25:55,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:55,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:55,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:25:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 12:25:55,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:25:55,237 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:25:55,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:25:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:25:55,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:25:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 12:25:55,528 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:25:55,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 12:25:55,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 12:25:55,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 12:25:55,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 12:25:55,529 INFO L87 Difference]: Start difference. First operand 1298 states and 1449 transitions. Second operand 15 states. [2018-11-28 12:25:57,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:25:57,372 INFO L93 Difference]: Finished difference Result 3289 states and 4246 transitions. [2018-11-28 12:25:57,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 12:25:57,372 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-11-28 12:25:57,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:25:57,373 INFO L225 Difference]: With dead ends: 3289 [2018-11-28 12:25:57,373 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:25:57,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 12:25:57,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:25:57,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:25:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:25:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:25:57,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-28 12:25:57,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:25:57,382 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:25:57,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 12:25:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:25:57,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:25:57,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:25:57,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:57,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:25:58,429 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-28 12:25:58,726 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2018-11-28 12:25:58,893 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-11-28 12:25:59,300 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2018-11-28 12:25:59,623 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2018-11-28 12:26:00,057 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2018-11-28 12:26:00,274 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2018-11-28 12:26:00,535 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-11-28 12:26:00,990 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2018-11-28 12:26:01,106 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-11-28 12:26:01,994 WARN L180 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-11-28 12:26:02,224 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-28 12:26:02,225 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-28 12:26:02,225 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-28 12:26:02,225 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-28 12:26:02,225 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-28 12:26:02,225 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 12:26:02,225 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 12:26:02,225 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,225 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,225 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,226 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,226 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 12:26:02,226 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 12:26:02,226 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,226 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,226 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 12:26:02,226 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 899 907) no Hoare annotation was computed. [2018-11-28 12:26:02,226 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 899 907) the Hoare annotation is: true [2018-11-28 12:26:02,226 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 899 907) no Hoare annotation was computed. [2018-11-28 12:26:02,226 INFO L448 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2018-11-28 12:26:02,226 INFO L451 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: true [2018-11-28 12:26:02,226 INFO L448 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2018-11-28 12:26:02,226 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 963 981) the Hoare annotation is: true [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 963 981) no Hoare annotation was computed. [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 963 981) no Hoare annotation was computed. [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-28 12:26:02,227 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-28 12:26:02,227 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 12:26:02,227 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 888 898) the Hoare annotation is: true [2018-11-28 12:26:02,227 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 888 898) no Hoare annotation was computed. [2018-11-28 12:26:02,227 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 888 898) no Hoare annotation was computed. [2018-11-28 12:26:02,228 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-28 12:26:02,228 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-11-28 12:26:02,228 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-11-28 12:26:02,228 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-28 12:26:02,228 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 829 853) no Hoare annotation was computed. [2018-11-28 12:26:02,228 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 12:26:02,228 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 12:26:02,228 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-11-28 12:26:02,228 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 12:26:02,228 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 12:26:02,228 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-11-28 12:26:02,229 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 12:26:02,229 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-28 12:26:02,229 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 639 652) no Hoare annotation was computed. [2018-11-28 12:26:02,229 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-28 12:26:02,229 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 639 652) the Hoare annotation is: true [2018-11-28 12:26:02,229 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 639 652) no Hoare annotation was computed. [2018-11-28 12:26:02,229 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-11-28 12:26:02,229 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-11-28 12:26:02,229 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,229 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:26:02,229 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-11-28 12:26:02,229 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-11-28 12:26:02,230 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-11-28 12:26:02,230 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse7 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:26:02,230 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 (and (not (= ~waterLevel~0 2)) .cse0 .cse3 .cse4) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (<= ~waterLevel~0 1) .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:26:02,230 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-11-28 12:26:02,230 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-11-28 12:26:02,230 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-11-28 12:26:02,230 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:26:02,230 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-28 12:26:02,230 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:26:02,230 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 854 861) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 854 861) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 854 861) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 653 661) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 653 661) the Hoare annotation is: true [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 653 661) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 863 879) no Hoare annotation was computed. [2018-11-28 12:26:02,231 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~8) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 12:26:02,232 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 863 879) no Hoare annotation was computed. [2018-11-28 12:26:02,232 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 863 879) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-28 12:26:02,232 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2018-11-28 12:26:02,232 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-28 12:26:02,232 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-11-28 12:26:02,232 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-11-28 12:26:02,232 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-11-28 12:26:02,232 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-11-28 12:26:02,232 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-11-28 12:26:02,232 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-11-28 12:26:02,232 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-11-28 12:26:02,232 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-11-28 12:26:02,232 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 630 638) the Hoare annotation is: true [2018-11-28 12:26:02,233 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2018-11-28 12:26:02,233 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2018-11-28 12:26:02,233 INFO L448 ceAbstractionStarter]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2018-11-28 12:26:02,233 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse4 .cse6) (or .cse3 .cse0 .cse2 .cse7) (or .cse2 .cse7 .cse6 .cse5)))) [2018-11-28 12:26:02,233 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2018-11-28 12:26:02,233 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2018-11-28 12:26:02,233 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2018-11-28 12:26:02,233 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2018-11-28 12:26:02,233 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 0)) (.cse7 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (and (<= ~waterLevel~0 2) .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 (and .cse8 .cse9)) (or (and (<= ~waterLevel~0 1) .cse10) .cse11 .cse7 .cse5) (or (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3) .cse8) (or (or .cse6 .cse1 .cse3) .cse5 .cse8) (or .cse0 .cse1 .cse11 .cse12 .cse3) (or .cse0 (and .cse8 .cse9 .cse10) (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse10) .cse11 .cse7) (or .cse1 .cse12 .cse11 .cse3 .cse5)))) [2018-11-28 12:26:02,233 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse14 .cse11 .cse3)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or .cse11 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse6) (or .cse2 .cse1 .cse3 .cse4 .cse10) (or .cse11 .cse3 .cse4 .cse10 .cse2) (or (or .cse12 .cse0 .cse1 .cse3) .cse7) (or .cse9 .cse13 .cse10 .cse8) (or .cse0 .cse11 .cse3 .cse4 .cse2) (or (or .cse5 .cse1 .cse3) .cse10 .cse7) (or .cse0 .cse1 .cse9 .cse8 .cse3) (or .cse12 .cse7 .cse13 .cse10) (or .cse1 .cse8 .cse9 .cse3 .cse10)))) [2018-11-28 12:26:02,234 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse17 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse10 (<= ~waterLevel~0 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not .cse18)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse16 (and .cse17 .cse7)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse14 (or .cse18 .cse12 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse6 .cse9) .cse11 (or .cse12 .cse3) .cse5 (and .cse8 .cse10 .cse7))) (or .cse0 .cse13 (and .cse8 .cse10) .cse14) (or .cse1 (and .cse15 (= ~pumpRunning~0 1)) .cse11 .cse3 .cse5 .cse16) (or .cse0 .cse13 .cse1 .cse8 .cse3) (or .cse0 .cse1 .cse11 (and .cse15 .cse7) .cse3) (or .cse13 .cse1 .cse8 .cse3 .cse5) (or .cse0 (and .cse9 .cse17) .cse16 .cse11 .cse14)))) [2018-11-28 12:26:02,234 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-11-28 12:26:02,234 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse13 .cse11 .cse7)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse11 .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse8 .cse9) (or .cse5 .cse4 .cse8 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse9) (or .cse0 .cse11 .cse7 .cse10 .cse12) (or .cse6 .cse4 .cse7 .cse9)))) [2018-11-28 12:26:02,234 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-11-28 12:26:02,234 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-11-28 12:26:02,234 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 12:26:02,234 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 12:26:02,234 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 12:26:02,234 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 12:26:02,234 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 12:26:02,235 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 12:26:02,235 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 12:26:02,235 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 12:26:02,235 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 12:26:02,235 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 12:26:02,235 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2018-11-28 12:26:02,235 INFO L451 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: true [2018-11-28 12:26:02,235 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-28 12:26:02,235 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 664 696) no Hoare annotation was computed. [2018-11-28 12:26:02,235 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 664 696) the Hoare annotation is: true [2018-11-28 12:26:02,235 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-11-28 12:26:02,235 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-11-28 12:26:02,235 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0) .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5))) [2018-11-28 12:26:02,235 INFO L448 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2018-11-28 12:26:02,236 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2018-11-28 12:26:02,236 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 664 696) no Hoare annotation was computed. [2018-11-28 12:26:02,236 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse7 .cse5 .cse3) (or .cse7 .cse1 .cse4 .cse3 .cse6))) [2018-11-28 12:26:02,236 INFO L448 ceAbstractionStarter]: For program point L677-1(line 677) no Hoare annotation was computed. [2018-11-28 12:26:02,236 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 562 573) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse4 .cse5 .cse6)))) [2018-11-28 12:26:02,236 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2018-11-28 12:26:02,236 INFO L448 ceAbstractionStarter]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2018-11-28 12:26:02,236 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 12:26:02,236 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 12:26:02,236 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:26:02,236 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 12:26:02,236 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:26:02,236 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:26:02,237 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 12:26:02,237 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-11-28 12:26:02,237 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 12:26:02,237 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-11-28 12:26:02,237 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse4 .cse6 (not (= ~waterLevel~0 1)) .cse5) (or .cse7 .cse2 (and .cse6 .cse0 .cse1) .cse3 .cse4) (or .cse8 .cse9 .cse4 .cse5) (or .cse6 (or (< 0 ~waterLevel~0) .cse2 .cse4 .cse5)) (or .cse7 .cse8 .cse9 .cse4))) [2018-11-28 12:26:02,237 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse9)) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= ~waterLevel~0 1) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse6 .cse7 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse8 .cse5)))) [2018-11-28 12:26:02,237 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-11-28 12:26:02,237 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 982 989) no Hoare annotation was computed. [2018-11-28 12:26:02,238 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 982 989) the Hoare annotation is: (let ((.cse5 (not (= |old(~systemActive~0)| 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse0 .cse5) (or .cse2 .cse3 .cse6 .cse0) (or .cse4 .cse0 .cse2 .cse5 .cse6)))) [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 982 989) no Hoare annotation was computed. [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2018-11-28 12:26:02,238 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (<= ~waterLevel~0 2) .cse3) (or (or .cse7 .cse6 .cse3) .cse4 (<= ~waterLevel~0 1)) (or .cse0 (or (< 0 |old(~waterLevel~0)|) .cse6 .cse3 .cse4)) (or .cse0 (or .cse5 .cse7 .cse6 .cse3)) (or .cse5 .cse7 (or .cse2 .cse3) .cse0))) [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2018-11-28 12:26:02,238 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2018-11-28 12:26:02,238 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2018-11-28 12:26:02,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:26:02 BoogieIcfgContainer [2018-11-28 12:26:02,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:26:02,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:26:02,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:26:02,250 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:26:02,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:25:49" (3/4) ... [2018-11-28 12:26:02,253 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:26:02,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:26:02,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:26:02,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:26:02,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:26:02,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:26:02,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:26:02,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:26:02,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:26:02,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:26:02,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:26:02,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:26:02,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:26:02,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 12:26:02,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:26:02,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:26:02,267 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 12:26:02,268 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 12:26:02,268 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 12:26:02,269 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:26:02,269 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:26:02,269 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:26:02,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:26:02,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:26:02,328 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4bf5e42-50f7-457f-9060-d03634a0289e/bin-2019/uautomizer/witness.graphml [2018-11-28 12:26:02,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:26:02,329 INFO L168 Benchmark]: Toolchain (without parser) took 14090.55 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 404.8 MB). Free memory was 951.7 MB in the beginning and 975.5 MB in the end (delta: -23.8 MB). Peak memory consumption was 381.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:02,329 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:02,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:02,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:02,330 INFO L168 Benchmark]: Boogie Preprocessor took 27.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:02,330 INFO L168 Benchmark]: RCFGBuilder took 526.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:02,330 INFO L168 Benchmark]: TraceAbstraction took 13048.97 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 287.3 MB). Free memory was 1.1 GB in the beginning and 987.0 MB in the end (delta: 65.1 MB). Peak memory consumption was 518.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:02,331 INFO L168 Benchmark]: Witness Printer took 78.43 ms. Allocated memory is still 1.4 GB. Free memory was 987.0 MB in the beginning and 975.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:02,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13048.97 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 287.3 MB). Free memory was 1.1 GB in the beginning and 987.0 MB in the end (delta: 65.1 MB). Peak memory consumption was 518.7 MB. Max. memory is 11.5 GB. * Witness Printer took 78.43 ms. Allocated memory is still 1.4 GB. Free memory was 987.0 MB in the beginning and 975.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 709]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 12.9s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 5.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2600 SDtfs, 2369 SDslu, 9691 SDs, 0 SdLazy, 6520 SolverSat, 1174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 451 SyntacticMatches, 2 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1298occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 357 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3523 PreInvPairs, 4123 NumberOfFragments, 3293 HoareAnnotationTreeSize, 3523 FomulaSimplifications, 24572 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 32648 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1594 ConstructedInterpolants, 0 QuantifiedInterpolants, 312134 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2512 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 118/136 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...