./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0997f7b4913388226e163b59383b8166cd33b05b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:28:55,867 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:28:55,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:28:55,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:28:55,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:28:55,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:28:55,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:28:55,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:28:55,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:28:55,883 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:28:55,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:28:55,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:28:55,884 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:28:55,885 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:28:55,886 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:28:55,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:28:55,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:28:55,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:28:55,890 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:28:55,891 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:28:55,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:28:55,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:28:55,894 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:28:55,894 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:28:55,894 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:28:55,895 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:28:55,896 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:28:55,896 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:28:55,897 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:28:55,898 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:28:55,898 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:28:55,899 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:28:55,899 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:28:55,899 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:28:55,900 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:28:55,900 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:28:55,900 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 03:28:55,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:28:55,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:28:55,912 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:28:55,912 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 03:28:55,912 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 03:28:55,912 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 03:28:55,912 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 03:28:55,912 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 03:28:55,913 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 03:28:55,913 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 03:28:55,913 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 03:28:55,913 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 03:28:55,913 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 03:28:55,914 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:28:55,914 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:28:55,914 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:28:55,914 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:28:55,914 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:28:55,914 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:28:55,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:28:55,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:28:55,915 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:28:55,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:28:55,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:28:55,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:28:55,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 03:28:55,915 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:28:55,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 03:28:55,916 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan 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 -> Taipan 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 -> 0997f7b4913388226e163b59383b8166cd33b05b [2018-12-09 03:28:55,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:28:55,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:28:55,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:28:55,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:28:55,947 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:28:55,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-12-09 03:28:55,984 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/data/542e124e3/ed6c7f34f978442a93afaa35754e51f5/FLAG91013b4b0 [2018-12-09 03:28:56,399 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:28:56,399 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-12-09 03:28:56,406 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/data/542e124e3/ed6c7f34f978442a93afaa35754e51f5/FLAG91013b4b0 [2018-12-09 03:28:56,414 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/data/542e124e3/ed6c7f34f978442a93afaa35754e51f5 [2018-12-09 03:28:56,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:28:56,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:28:56,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:28:56,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:28:56,419 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:28:56,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56, skipping insertion in model container [2018-12-09 03:28:56,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:28:56,454 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:28:56,626 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:28:56,666 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:28:56,720 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:28:56,735 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:28:56,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56 WrapperNode [2018-12-09 03:28:56,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:28:56,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:28:56,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:28:56,736 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:28:56,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:28:56,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:28:56,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:28:56,756 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:28:56,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... [2018-12-09 03:28:56,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:28:56,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:28:56,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:28:56,778 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:28:56,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:28:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 03:28:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 03:28:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 03:28:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 03:28:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 03:28:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 03:28:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 03:28:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 03:28:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 03:28:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 03:28:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 03:28:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 03:28:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 03:28:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 03:28:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 03:28:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 03:28:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 03:28:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 03:28:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 03:28:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 03:28:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 03:28:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 03:28:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 03:28:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 03:28:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 03:28:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 03:28:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 03:28:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 03:28:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 03:28:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 03:28:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 03:28:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 03:28:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 03:28:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 03:28:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 03:28:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 03:28:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 03:28:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 03:28:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 03:28:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 03:28:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 03:28:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 03:28:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 03:28:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 03:28:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 03:28:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 03:28:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 03:28:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 03:28:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 03:28:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 03:28:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 03:28:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 03:28:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 03:28:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 03:28:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 03:28:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 03:28:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 03:28:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 03:28:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 03:28:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 03:28:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 03:28:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 03:28:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:28:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:28:57,110 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:28:57,110 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 03:28:57,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:28:57 BoogieIcfgContainer [2018-12-09 03:28:57,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:28:57,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 03:28:57,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 03:28:57,113 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 03:28:57,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:28:56" (1/3) ... [2018-12-09 03:28:57,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b13173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:28:57, skipping insertion in model container [2018-12-09 03:28:57,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:28:56" (2/3) ... [2018-12-09 03:28:57,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b13173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:28:57, skipping insertion in model container [2018-12-09 03:28:57,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:28:57" (3/3) ... [2018-12-09 03:28:57,115 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-12-09 03:28:57,121 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 03:28:57,126 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 03:28:57,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 03:28:57,154 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 03:28:57,154 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 03:28:57,154 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 03:28:57,154 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 03:28:57,154 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 03:28:57,154 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 03:28:57,154 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 03:28:57,154 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 03:28:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-12-09 03:28:57,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 03:28:57,172 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:57,172 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:28:57,174 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:57,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:57,177 INFO L82 PathProgramCache]: Analyzing trace with hash 882480942, now seen corresponding path program 1 times [2018-12-09 03:28:57,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:57,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:57,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:57,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:57,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:28:57,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:28:57,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 03:28:57,319 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:57,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 03:28:57,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 03:28:57,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 03:28:57,331 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-12-09 03:28:57,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:28:57,356 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2018-12-09 03:28:57,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 03:28:57,357 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 03:28:57,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:28:57,365 INFO L225 Difference]: With dead ends: 312 [2018-12-09 03:28:57,365 INFO L226 Difference]: Without dead ends: 156 [2018-12-09 03:28:57,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 03:28:57,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-12-09 03:28:57,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-12-09 03:28:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-12-09 03:28:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 186 transitions. [2018-12-09 03:28:57,399 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 186 transitions. Word has length 52 [2018-12-09 03:28:57,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:28:57,399 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 186 transitions. [2018-12-09 03:28:57,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 03:28:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 186 transitions. [2018-12-09 03:28:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 03:28:57,401 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:57,401 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] [2018-12-09 03:28:57,401 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:57,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:57,402 INFO L82 PathProgramCache]: Analyzing trace with hash 252497204, now seen corresponding path program 1 times [2018-12-09 03:28:57,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:57,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:57,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:57,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:57,403 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:57,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:28:57,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:28:57,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 03:28:57,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:57,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 03:28:57,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 03:28:57,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 03:28:57,454 INFO L87 Difference]: Start difference. First operand 156 states and 186 transitions. Second operand 3 states. [2018-12-09 03:28:57,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:28:57,468 INFO L93 Difference]: Finished difference Result 261 states and 311 transitions. [2018-12-09 03:28:57,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 03:28:57,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 03:28:57,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:28:57,470 INFO L225 Difference]: With dead ends: 261 [2018-12-09 03:28:57,470 INFO L226 Difference]: Without dead ends: 147 [2018-12-09 03:28:57,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 03:28:57,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-09 03:28:57,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-09 03:28:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-09 03:28:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2018-12-09 03:28:57,480 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 53 [2018-12-09 03:28:57,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:28:57,480 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2018-12-09 03:28:57,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 03:28:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2018-12-09 03:28:57,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 03:28:57,481 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:57,482 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] [2018-12-09 03:28:57,482 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:57,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:57,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1976679861, now seen corresponding path program 1 times [2018-12-09 03:28:57,482 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:57,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:57,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:57,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:57,483 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:28:57,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:28:57,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 03:28:57,558 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:57,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 03:28:57,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 03:28:57,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 03:28:57,559 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 7 states. [2018-12-09 03:28:57,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:28:57,739 INFO L93 Difference]: Finished difference Result 270 states and 325 transitions. [2018-12-09 03:28:57,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 03:28:57,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 03:28:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:28:57,740 INFO L225 Difference]: With dead ends: 270 [2018-12-09 03:28:57,740 INFO L226 Difference]: Without dead ends: 147 [2018-12-09 03:28:57,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:28:57,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-09 03:28:57,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-09 03:28:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-09 03:28:57,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 173 transitions. [2018-12-09 03:28:57,749 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 173 transitions. Word has length 57 [2018-12-09 03:28:57,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:28:57,750 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 173 transitions. [2018-12-09 03:28:57,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 03:28:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-12-09 03:28:57,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 03:28:57,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:57,751 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] [2018-12-09 03:28:57,752 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:57,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:57,752 INFO L82 PathProgramCache]: Analyzing trace with hash -468269602, now seen corresponding path program 1 times [2018-12-09 03:28:57,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:57,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:57,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:57,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:57,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:28:57,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:28:57,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 03:28:57,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:57,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 03:28:57,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 03:28:57,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 03:28:57,817 INFO L87 Difference]: Start difference. First operand 147 states and 173 transitions. Second operand 5 states. [2018-12-09 03:28:58,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:28:58,166 INFO L93 Difference]: Finished difference Result 391 states and 474 transitions. [2018-12-09 03:28:58,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 03:28:58,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-09 03:28:58,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:28:58,168 INFO L225 Difference]: With dead ends: 391 [2018-12-09 03:28:58,168 INFO L226 Difference]: Without dead ends: 268 [2018-12-09 03:28:58,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 03:28:58,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-12-09 03:28:58,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 250. [2018-12-09 03:28:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-12-09 03:28:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 285 transitions. [2018-12-09 03:28:58,185 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 285 transitions. Word has length 75 [2018-12-09 03:28:58,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:28:58,186 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 285 transitions. [2018-12-09 03:28:58,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 03:28:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 285 transitions. [2018-12-09 03:28:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 03:28:58,187 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:58,187 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] [2018-12-09 03:28:58,187 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:58,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:58,188 INFO L82 PathProgramCache]: Analyzing trace with hash -579229414, now seen corresponding path program 1 times [2018-12-09 03:28:58,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:58,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:58,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:28:58,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:28:58,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 03:28:58,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:58,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 03:28:58,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 03:28:58,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 03:28:58,248 INFO L87 Difference]: Start difference. First operand 250 states and 285 transitions. Second operand 6 states. [2018-12-09 03:28:58,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:28:58,367 INFO L93 Difference]: Finished difference Result 609 states and 728 transitions. [2018-12-09 03:28:58,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 03:28:58,367 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 03:28:58,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:28:58,370 INFO L225 Difference]: With dead ends: 609 [2018-12-09 03:28:58,370 INFO L226 Difference]: Without dead ends: 383 [2018-12-09 03:28:58,371 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 [2018-12-09 03:28:58,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-12-09 03:28:58,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2018-12-09 03:28:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-12-09 03:28:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 438 transitions. [2018-12-09 03:28:58,416 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 438 transitions. Word has length 89 [2018-12-09 03:28:58,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:28:58,417 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 438 transitions. [2018-12-09 03:28:58,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 03:28:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 438 transitions. [2018-12-09 03:28:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 03:28:58,419 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:58,419 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, 1, 1, 1, 1] [2018-12-09 03:28:58,419 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:58,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:58,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1675140960, now seen corresponding path program 1 times [2018-12-09 03:28:58,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:58,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:58,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:28:58,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:28:58,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 03:28:58,505 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:58,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 03:28:58,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 03:28:58,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 03:28:58,506 INFO L87 Difference]: Start difference. First operand 379 states and 438 transitions. Second operand 6 states. [2018-12-09 03:28:58,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:28:58,654 INFO L93 Difference]: Finished difference Result 826 states and 991 transitions. [2018-12-09 03:28:58,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 03:28:58,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 03:28:58,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:28:58,658 INFO L225 Difference]: With dead ends: 826 [2018-12-09 03:28:58,658 INFO L226 Difference]: Without dead ends: 600 [2018-12-09 03:28:58,659 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 [2018-12-09 03:28:58,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-12-09 03:28:58,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 582. [2018-12-09 03:28:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2018-12-09 03:28:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 688 transitions. [2018-12-09 03:28:58,693 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 688 transitions. Word has length 93 [2018-12-09 03:28:58,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:28:58,694 INFO L480 AbstractCegarLoop]: Abstraction has 582 states and 688 transitions. [2018-12-09 03:28:58,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 03:28:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 688 transitions. [2018-12-09 03:28:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 03:28:58,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:58,696 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, 1, 1, 1, 1] [2018-12-09 03:28:58,696 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:58,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:58,696 INFO L82 PathProgramCache]: Analyzing trace with hash 684166049, now seen corresponding path program 1 times [2018-12-09 03:28:58,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:58,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:58,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,698 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:28:58,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:28:58,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 03:28:58,751 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:58,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 03:28:58,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 03:28:58,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 03:28:58,752 INFO L87 Difference]: Start difference. First operand 582 states and 688 transitions. Second operand 5 states. [2018-12-09 03:28:58,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:28:58,781 INFO L93 Difference]: Finished difference Result 1021 states and 1233 transitions. [2018-12-09 03:28:58,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 03:28:58,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-09 03:28:58,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:28:58,784 INFO L225 Difference]: With dead ends: 1021 [2018-12-09 03:28:58,784 INFO L226 Difference]: Without dead ends: 592 [2018-12-09 03:28:58,785 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 [2018-12-09 03:28:58,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-12-09 03:28:58,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2018-12-09 03:28:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-12-09 03:28:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 691 transitions. [2018-12-09 03:28:58,802 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 691 transitions. Word has length 93 [2018-12-09 03:28:58,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:28:58,803 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 691 transitions. [2018-12-09 03:28:58,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 03:28:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 691 transitions. [2018-12-09 03:28:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 03:28:58,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:58,804 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, 1, 1, 1, 1] [2018-12-09 03:28:58,804 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:58,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:58,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1343697571, now seen corresponding path program 1 times [2018-12-09 03:28:58,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:58,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:58,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:28:58,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:28:58,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 03:28:58,880 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:58,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 03:28:58,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 03:28:58,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 03:28:58,881 INFO L87 Difference]: Start difference. First operand 586 states and 691 transitions. Second operand 9 states. [2018-12-09 03:28:58,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:28:58,934 INFO L93 Difference]: Finished difference Result 1165 states and 1404 transitions. [2018-12-09 03:28:58,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 03:28:58,934 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-12-09 03:28:58,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:28:58,937 INFO L225 Difference]: With dead ends: 1165 [2018-12-09 03:28:58,937 INFO L226 Difference]: Without dead ends: 603 [2018-12-09 03:28:58,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:28:58,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2018-12-09 03:28:58,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 593. [2018-12-09 03:28:58,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-12-09 03:28:58,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 698 transitions. [2018-12-09 03:28:58,955 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 698 transitions. Word has length 93 [2018-12-09 03:28:58,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:28:58,955 INFO L480 AbstractCegarLoop]: Abstraction has 593 states and 698 transitions. [2018-12-09 03:28:58,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 03:28:58,955 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 698 transitions. [2018-12-09 03:28:58,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 03:28:58,956 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:28:58,956 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] [2018-12-09 03:28:58,956 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:28:58,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:58,957 INFO L82 PathProgramCache]: Analyzing trace with hash -677811644, now seen corresponding path program 1 times [2018-12-09 03:28:58,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:28:58,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:28:58,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:28:58,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:28:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:28:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 03:28:59,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:28:59,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:28:59,017 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 106 with the following transitions: [2018-12-09 03:28:59,018 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [59], [63], [64], [65], [80], [83], [85], [94], [98], [102], [105], [110], [116], [118], [121], [140], [141], [142], [144], [147], [152], [153], [154], [155], [157], [162], [164], [165], [173], [174], [206], [210], [217], [219], [224], [226], [229], [231], [236], [250], [254], [257], [259], [262], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [305], [306], [313], [314], [315], [316], [319], [323], [324], [327], [328], [335], [336], [337], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [351], [352], [353], [354] [2018-12-09 03:28:59,040 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:28:59,040 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:28:59,293 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:28:59,294 INFO L272 AbstractInterpreter]: Visited 75 different actions 75 times. Never merged. Never widened. Performed 2591 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2591 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 03:28:59,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:28:59,301 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:28:59,547 INFO L227 lantSequenceWeakener]: Weakened 73 states. On average, predicates are now at 96.7% of their original sizes. [2018-12-09 03:28:59,547 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:28:59,661 INFO L418 sIntCurrentIteration]: We unified 104 AI predicates to 104 [2018-12-09 03:28:59,661 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:28:59,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:28:59,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [9] total 25 [2018-12-09 03:28:59,662 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:28:59,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 03:28:59,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 03:28:59,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2018-12-09 03:28:59,663 INFO L87 Difference]: Start difference. First operand 593 states and 698 transitions. Second operand 18 states. [2018-12-09 03:29:01,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:01,568 INFO L93 Difference]: Finished difference Result 1297 states and 1555 transitions. [2018-12-09 03:29:01,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 03:29:01,568 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 105 [2018-12-09 03:29:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:01,571 INFO L225 Difference]: With dead ends: 1297 [2018-12-09 03:29:01,571 INFO L226 Difference]: Without dead ends: 728 [2018-12-09 03:29:01,573 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 113 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2018-12-09 03:29:01,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2018-12-09 03:29:01,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 724. [2018-12-09 03:29:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-12-09 03:29:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 853 transitions. [2018-12-09 03:29:01,595 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 853 transitions. Word has length 105 [2018-12-09 03:29:01,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:01,595 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 853 transitions. [2018-12-09 03:29:01,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 03:29:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 853 transitions. [2018-12-09 03:29:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 03:29:01,597 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:01,597 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:29:01,597 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:01,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:01,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1323157912, now seen corresponding path program 1 times [2018-12-09 03:29:01,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:01,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:01,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:01,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:01,598 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 03:29:01,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:29:01,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 03:29:01,659 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:01,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 03:29:01,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 03:29:01,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:29:01,660 INFO L87 Difference]: Start difference. First operand 724 states and 853 transitions. Second operand 10 states. [2018-12-09 03:29:01,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:01,806 INFO L93 Difference]: Finished difference Result 1811 states and 2195 transitions. [2018-12-09 03:29:01,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 03:29:01,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2018-12-09 03:29:01,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:01,810 INFO L225 Difference]: With dead ends: 1811 [2018-12-09 03:29:01,810 INFO L226 Difference]: Without dead ends: 1242 [2018-12-09 03:29:01,811 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 [2018-12-09 03:29:01,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2018-12-09 03:29:01,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1224. [2018-12-09 03:29:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2018-12-09 03:29:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1445 transitions. [2018-12-09 03:29:01,843 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1445 transitions. Word has length 109 [2018-12-09 03:29:01,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:01,844 INFO L480 AbstractCegarLoop]: Abstraction has 1224 states and 1445 transitions. [2018-12-09 03:29:01,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 03:29:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1445 transitions. [2018-12-09 03:29:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 03:29:01,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:01,845 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:29:01,845 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:01,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:01,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1441456966, now seen corresponding path program 1 times [2018-12-09 03:29:01,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:01,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:01,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:01,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:01,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:29:01,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:29:01,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 03:29:01,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:01,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 03:29:01,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 03:29:01,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:29:01,918 INFO L87 Difference]: Start difference. First operand 1224 states and 1445 transitions. Second operand 10 states. [2018-12-09 03:29:02,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:02,079 INFO L93 Difference]: Finished difference Result 2299 states and 2718 transitions. [2018-12-09 03:29:02,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 03:29:02,079 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2018-12-09 03:29:02,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:02,084 INFO L225 Difference]: With dead ends: 2299 [2018-12-09 03:29:02,084 INFO L226 Difference]: Without dead ends: 1230 [2018-12-09 03:29:02,086 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 [2018-12-09 03:29:02,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2018-12-09 03:29:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1202. [2018-12-09 03:29:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2018-12-09 03:29:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1383 transitions. [2018-12-09 03:29:02,129 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1383 transitions. Word has length 109 [2018-12-09 03:29:02,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:02,130 INFO L480 AbstractCegarLoop]: Abstraction has 1202 states and 1383 transitions. [2018-12-09 03:29:02,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 03:29:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1383 transitions. [2018-12-09 03:29:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 03:29:02,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:02,132 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:29:02,132 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:02,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:02,133 INFO L82 PathProgramCache]: Analyzing trace with hash -299937180, now seen corresponding path program 1 times [2018-12-09 03:29:02,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:02,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:02,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:02,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:02,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 03:29:02,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:02,202 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:29:02,203 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-12-09 03:29:02,203 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [63], [64], [65], [68], [70], [73], [80], [83], [85], [94], [98], [102], [105], [108], [110], [116], [118], [121], [136], [137], [140], [141], [142], [144], [149], [152], [153], [154], [155], [157], [162], [164], [165], [173], [174], [203], [206], [210], [216], [217], [219], [222], [224], [226], [229], [231], [236], [242], [245], [249], [250], [254], [257], [259], [262], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [305], [306], [307], [308], [309], [310], [313], [314], [315], [316], [319], [320], [323], [324], [325], [326], [327], [328], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [351], [352], [353], [354] [2018-12-09 03:29:02,206 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:29:02,206 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:29:02,484 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:29:02,484 INFO L272 AbstractInterpreter]: Visited 109 different actions 134 times. Merged at 5 different actions 5 times. Never widened. Performed 7058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 03:29:02,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:02,485 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:29:02,718 INFO L227 lantSequenceWeakener]: Weakened 129 states. On average, predicates are now at 96.84% of their original sizes. [2018-12-09 03:29:02,718 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:29:03,004 INFO L418 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-12-09 03:29:03,005 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:29:03,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:29:03,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [35] imperfect sequences [7] total 40 [2018-12-09 03:29:03,005 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:03,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-12-09 03:29:03,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-12-09 03:29:03,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1039, Unknown=0, NotChecked=0, Total=1190 [2018-12-09 03:29:03,006 INFO L87 Difference]: Start difference. First operand 1202 states and 1383 transitions. Second operand 35 states. [2018-12-09 03:29:09,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:09,063 INFO L93 Difference]: Finished difference Result 2439 states and 2884 transitions. [2018-12-09 03:29:09,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-09 03:29:09,063 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 156 [2018-12-09 03:29:09,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:09,067 INFO L225 Difference]: With dead ends: 2439 [2018-12-09 03:29:09,067 INFO L226 Difference]: Without dead ends: 1639 [2018-12-09 03:29:09,069 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=324, Invalid=2756, Unknown=0, NotChecked=0, Total=3080 [2018-12-09 03:29:09,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2018-12-09 03:29:09,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1588. [2018-12-09 03:29:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1588 states. [2018-12-09 03:29:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1829 transitions. [2018-12-09 03:29:09,113 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1829 transitions. Word has length 156 [2018-12-09 03:29:09,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:09,113 INFO L480 AbstractCegarLoop]: Abstraction has 1588 states and 1829 transitions. [2018-12-09 03:29:09,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-12-09 03:29:09,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1829 transitions. [2018-12-09 03:29:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 03:29:09,115 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:09,115 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:29:09,116 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:09,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:09,116 INFO L82 PathProgramCache]: Analyzing trace with hash -896908535, now seen corresponding path program 1 times [2018-12-09 03:29:09,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:09,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:09,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:09,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:09,117 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:09,163 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 03:29:09,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:09,164 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:29:09,164 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-12-09 03:29:09,164 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [65], [68], [70], [73], [80], [83], [85], [94], [98], [102], [105], [108], [110], [113], [118], [121], [136], [137], [140], [141], [142], [144], [149], [152], [153], [154], [155], [157], [160], [164], [165], [168], [170], [172], [173], [174], [203], [206], [210], [216], [217], [219], [222], [224], [226], [229], [231], [236], [242], [245], [249], [250], [254], [257], [259], [262], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [305], [306], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [323], [324], [325], [326], [327], [328], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [351], [352], [353], [354] [2018-12-09 03:29:09,167 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:29:09,167 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:29:09,406 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:29:09,406 INFO L272 AbstractInterpreter]: Visited 83 different actions 133 times. Merged at 6 different actions 6 times. Never widened. Performed 7076 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7076 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 03:29:09,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:09,413 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:29:09,559 INFO L227 lantSequenceWeakener]: Weakened 95 states. On average, predicates are now at 96.54% of their original sizes. [2018-12-09 03:29:09,559 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:29:09,694 INFO L418 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-12-09 03:29:09,694 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:29:09,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:29:09,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [6] total 28 [2018-12-09 03:29:09,695 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:09,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 03:29:09,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 03:29:09,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2018-12-09 03:29:09,696 INFO L87 Difference]: Start difference. First operand 1588 states and 1829 transitions. Second operand 24 states. [2018-12-09 03:29:13,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:13,412 INFO L93 Difference]: Finished difference Result 3002 states and 3553 transitions. [2018-12-09 03:29:13,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 03:29:13,412 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 164 [2018-12-09 03:29:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:13,417 INFO L225 Difference]: With dead ends: 3002 [2018-12-09 03:29:13,417 INFO L226 Difference]: Without dead ends: 1955 [2018-12-09 03:29:13,418 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2018-12-09 03:29:13,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2018-12-09 03:29:13,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1906. [2018-12-09 03:29:13,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1906 states. [2018-12-09 03:29:13,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2210 transitions. [2018-12-09 03:29:13,468 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2210 transitions. Word has length 164 [2018-12-09 03:29:13,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:13,468 INFO L480 AbstractCegarLoop]: Abstraction has 1906 states and 2210 transitions. [2018-12-09 03:29:13,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 03:29:13,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2210 transitions. [2018-12-09 03:29:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 03:29:13,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:13,470 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:29:13,470 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:13,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:13,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1285625587, now seen corresponding path program 1 times [2018-12-09 03:29:13,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:13,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:13,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:13,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:13,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 03:29:13,509 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:13,509 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:29:13,509 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-09 03:29:13,510 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [65], [68], [70], [73], [80], [83], [85], [94], [98], [102], [108], [110], [116], [118], [121], [136], [137], [140], [141], [142], [144], [149], [152], [153], [154], [155], [157], [160], [164], [165], [173], [174], [203], [206], [210], [216], [217], [219], [222], [224], [226], [229], [231], [236], [242], [245], [249], [250], [254], [257], [259], [262], [272], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [305], [306], [307], [308], [309], [310], [313], [314], [319], [320], [323], [324], [325], [326], [327], [328], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [351], [352], [353], [354] [2018-12-09 03:29:13,511 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:29:13,511 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:29:13,621 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:29:13,621 INFO L272 AbstractInterpreter]: Visited 104 different actions 106 times. Never merged. Never widened. Performed 3124 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3124 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 03:29:13,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:13,623 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:29:13,763 INFO L227 lantSequenceWeakener]: Weakened 125 states. On average, predicates are now at 96.86% of their original sizes. [2018-12-09 03:29:13,764 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:29:13,934 INFO L418 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-12-09 03:29:13,934 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:29:13,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:29:13,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [6] total 35 [2018-12-09 03:29:13,934 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:13,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-12-09 03:29:13,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-12-09 03:29:13,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2018-12-09 03:29:13,935 INFO L87 Difference]: Start difference. First operand 1906 states and 2210 transitions. Second operand 31 states. [2018-12-09 03:29:17,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:17,556 INFO L93 Difference]: Finished difference Result 3807 states and 4436 transitions. [2018-12-09 03:29:17,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-09 03:29:17,556 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 152 [2018-12-09 03:29:17,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:17,560 INFO L225 Difference]: With dead ends: 3807 [2018-12-09 03:29:17,560 INFO L226 Difference]: Without dead ends: 1925 [2018-12-09 03:29:17,563 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=1702, Unknown=0, NotChecked=0, Total=1892 [2018-12-09 03:29:17,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2018-12-09 03:29:17,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1897. [2018-12-09 03:29:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2018-12-09 03:29:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2197 transitions. [2018-12-09 03:29:17,608 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2197 transitions. Word has length 152 [2018-12-09 03:29:17,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:17,609 INFO L480 AbstractCegarLoop]: Abstraction has 1897 states and 2197 transitions. [2018-12-09 03:29:17,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-12-09 03:29:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2197 transitions. [2018-12-09 03:29:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 03:29:17,611 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:17,611 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 03:29:17,611 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:17,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:17,611 INFO L82 PathProgramCache]: Analyzing trace with hash 877616733, now seen corresponding path program 1 times [2018-12-09 03:29:17,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:17,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:17,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:17,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:17,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 03:29:17,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:17,659 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:29:17,659 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-12-09 03:29:17,659 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [65], [68], [70], [73], [80], [83], [85], [94], [98], [102], [108], [110], [116], [118], [121], [136], [137], [140], [141], [142], [144], [149], [152], [153], [154], [155], [157], [160], [164], [165], [173], [174], [203], [206], [210], [216], [217], [219], [224], [226], [229], [231], [236], [240], [242], [245], [249], [250], [254], [257], [259], [262], [272], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [305], [306], [307], [308], [309], [310], [313], [314], [319], [320], [323], [324], [325], [326], [327], [328], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [351], [352], [353], [354] [2018-12-09 03:29:17,660 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:29:17,660 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:29:17,917 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:29:17,918 INFO L272 AbstractInterpreter]: Visited 116 different actions 286 times. Merged at 14 different actions 14 times. Never widened. Performed 8239 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8239 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 132 variables. [2018-12-09 03:29:17,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:17,921 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:29:18,097 INFO L227 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 96.91% of their original sizes. [2018-12-09 03:29:18,097 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:29:18,392 INFO L418 sIntCurrentIteration]: We unified 157 AI predicates to 157 [2018-12-09 03:29:18,392 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:29:18,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:29:18,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [40] imperfect sequences [6] total 44 [2018-12-09 03:29:18,392 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:18,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-12-09 03:29:18,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-12-09 03:29:18,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1406, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 03:29:18,393 INFO L87 Difference]: Start difference. First operand 1897 states and 2197 transitions. Second operand 40 states. [2018-12-09 03:29:25,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:25,119 INFO L93 Difference]: Finished difference Result 3238 states and 3826 transitions. [2018-12-09 03:29:25,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-12-09 03:29:25,119 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 158 [2018-12-09 03:29:25,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:25,123 INFO L225 Difference]: With dead ends: 3238 [2018-12-09 03:29:25,123 INFO L226 Difference]: Without dead ends: 2455 [2018-12-09 03:29:25,125 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1484 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=414, Invalid=4698, Unknown=0, NotChecked=0, Total=5112 [2018-12-09 03:29:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2018-12-09 03:29:25,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2207. [2018-12-09 03:29:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2207 states. [2018-12-09 03:29:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 2539 transitions. [2018-12-09 03:29:25,203 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 2539 transitions. Word has length 158 [2018-12-09 03:29:25,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:25,203 INFO L480 AbstractCegarLoop]: Abstraction has 2207 states and 2539 transitions. [2018-12-09 03:29:25,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-12-09 03:29:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2539 transitions. [2018-12-09 03:29:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 03:29:25,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:25,206 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 03:29:25,207 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:25,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:25,207 INFO L82 PathProgramCache]: Analyzing trace with hash -946132364, now seen corresponding path program 1 times [2018-12-09 03:29:25,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:25,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:25,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:25,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:25,208 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 03:29:25,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:25,271 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:29:25,271 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-09 03:29:25,271 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [63], [64], [65], [68], [70], [73], [80], [83], [85], [94], [98], [102], [105], [108], [110], [116], [118], [121], [136], [137], [140], [141], [142], [144], [149], [152], [153], [154], [155], [157], [162], [164], [165], [173], [174], [203], [206], [210], [216], [217], [219], [224], [226], [229], [231], [236], [240], [242], [245], [249], [250], [254], [257], [259], [262], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [305], [306], [307], [308], [309], [310], [313], [314], [315], [316], [319], [320], [323], [324], [325], [326], [327], [328], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [351], [352], [353], [354] [2018-12-09 03:29:25,272 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:29:25,272 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:29:25,703 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:29:25,703 INFO L272 AbstractInterpreter]: Visited 121 different actions 441 times. Merged at 13 different actions 24 times. Never widened. Performed 15213 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15213 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 132 variables. [2018-12-09 03:29:25,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:25,704 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:29:25,880 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 97.21% of their original sizes. [2018-12-09 03:29:25,880 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:29:26,165 INFO L418 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-12-09 03:29:26,165 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:29:26,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:29:26,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [40] imperfect sequences [9] total 47 [2018-12-09 03:29:26,165 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:26,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-12-09 03:29:26,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-12-09 03:29:26,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1370, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 03:29:26,166 INFO L87 Difference]: Start difference. First operand 2207 states and 2539 transitions. Second operand 40 states. [2018-12-09 03:29:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:38,054 INFO L93 Difference]: Finished difference Result 4252 states and 5032 transitions. [2018-12-09 03:29:38,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-12-09 03:29:38,054 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 162 [2018-12-09 03:29:38,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:38,059 INFO L225 Difference]: With dead ends: 4252 [2018-12-09 03:29:38,059 INFO L226 Difference]: Without dead ends: 3090 [2018-12-09 03:29:38,062 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 114 SyntacticMatches, 9 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3159 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=766, Invalid=8740, Unknown=0, NotChecked=0, Total=9506 [2018-12-09 03:29:38,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2018-12-09 03:29:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 2959. [2018-12-09 03:29:38,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2959 states. [2018-12-09 03:29:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 3405 transitions. [2018-12-09 03:29:38,190 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 3405 transitions. Word has length 162 [2018-12-09 03:29:38,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:38,191 INFO L480 AbstractCegarLoop]: Abstraction has 2959 states and 3405 transitions. [2018-12-09 03:29:38,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-12-09 03:29:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 3405 transitions. [2018-12-09 03:29:38,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 03:29:38,194 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:38,195 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 03:29:38,195 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:38,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:38,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1481020937, now seen corresponding path program 1 times [2018-12-09 03:29:38,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:38,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:38,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:38,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:38,196 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 03:29:38,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:38,266 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:29:38,266 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-12-09 03:29:38,266 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [59], [62], [63], [64], [65], [80], [83], [84], [85], [94], [98], [102], [105], [108], [110], [113], [118], [121], [140], [141], [142], [144], [147], [152], [153], [154], [155], [157], [160], [162], [164], [165], [168], [170], [172], [173], [174], [206], [210], [216], [217], [219], [222], [224], [226], [229], [231], [236], [242], [250], [254], [257], [259], [262], [265], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [305], [306], [313], [314], [315], [316], [317], [318], [319], [320], [323], [324], [327], [328], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [351], [352], [353], [354], [355], [356] [2018-12-09 03:29:38,268 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:29:38,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:29:39,447 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 03:29:39,447 INFO L272 AbstractInterpreter]: Visited 120 different actions 918 times. Merged at 36 different actions 199 times. Widened at 1 different actions 2 times. Performed 40899 root evaluator evaluations with a maximum evaluation depth of 3. Performed 40899 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 34 fixpoints after 9 different actions. Largest state had 132 variables. [2018-12-09 03:29:39,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:39,449 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 03:29:39,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:39,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 03:29:39,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:39,456 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 03:29:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:39,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:29:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 03:29:39,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 03:29:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 03:29:39,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 03:29:39,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-09 03:29:39,908 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:39,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 03:29:39,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 03:29:39,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 03:29:39,909 INFO L87 Difference]: Start difference. First operand 2959 states and 3405 transitions. Second operand 8 states. [2018-12-09 03:29:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:40,201 INFO L93 Difference]: Finished difference Result 5695 states and 6620 transitions. [2018-12-09 03:29:40,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 03:29:40,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 168 [2018-12-09 03:29:40,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:40,207 INFO L225 Difference]: With dead ends: 5695 [2018-12-09 03:29:40,207 INFO L226 Difference]: Without dead ends: 2901 [2018-12-09 03:29:40,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 320 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 03:29:40,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2018-12-09 03:29:40,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2897. [2018-12-09 03:29:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2897 states. [2018-12-09 03:29:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 3324 transitions. [2018-12-09 03:29:40,282 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 3324 transitions. Word has length 168 [2018-12-09 03:29:40,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:40,282 INFO L480 AbstractCegarLoop]: Abstraction has 2897 states and 3324 transitions. [2018-12-09 03:29:40,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 03:29:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3324 transitions. [2018-12-09 03:29:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 03:29:40,285 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:29:40,285 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 03:29:40,285 INFO L423 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:29:40,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:40,285 INFO L82 PathProgramCache]: Analyzing trace with hash -6483395, now seen corresponding path program 1 times [2018-12-09 03:29:40,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:29:40,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:40,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:40,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:29:40,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:29:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 03:29:40,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:40,343 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:29:40,343 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-12-09 03:29:40,343 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [57], [58], [59], [62], [64], [65], [68], [70], [76], [80], [83], [85], [94], [98], [102], [108], [110], [116], [118], [121], [136], [137], [138], [139], [140], [141], [142], [144], [149], [152], [153], [154], [155], [157], [160], [164], [165], [173], [174], [203], [206], [210], [216], [217], [219], [224], [226], [229], [231], [236], [240], [242], [245], [249], [250], [254], [257], [259], [262], [272], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [295], [296], [299], [300], [301], [302], [303], [305], [306], [307], [308], [311], [312], [313], [314], [319], [320], [323], [324], [325], [326], [327], [328], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [351], [352], [353], [354] [2018-12-09 03:29:40,344 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:29:40,345 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:29:40,934 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 03:29:40,934 INFO L272 AbstractInterpreter]: Visited 138 different actions 550 times. Merged at 16 different actions 33 times. Never widened. Performed 20518 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20518 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 3 different actions. Largest state had 132 variables. [2018-12-09 03:29:40,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:29:40,935 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 03:29:40,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:29:40,935 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 03:29:40,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:29:40,943 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 03:29:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:29:41,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:29:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 03:29:41,087 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 03:29:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-09 03:29:41,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 03:29:41,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2018-12-09 03:29:41,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:29:41,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 03:29:41,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 03:29:41,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-12-09 03:29:41,272 INFO L87 Difference]: Start difference. First operand 2897 states and 3324 transitions. Second operand 9 states. [2018-12-09 03:29:41,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:29:41,535 INFO L93 Difference]: Finished difference Result 5252 states and 6196 transitions. [2018-12-09 03:29:41,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 03:29:41,535 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-12-09 03:29:41,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:29:41,536 INFO L225 Difference]: With dead ends: 5252 [2018-12-09 03:29:41,536 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 03:29:41,541 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 339 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-12-09 03:29:41,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 03:29:41,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 03:29:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 03:29:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 03:29:41,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-12-09 03:29:41,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:29:41,542 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 03:29:41,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 03:29:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 03:29:41,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 03:29:41,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 03:29:41,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:41,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:29:42,610 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 30 [2018-12-09 03:29:42,757 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 28 [2018-12-09 03:29:43,074 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 36 [2018-12-09 03:29:43,178 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 28 [2018-12-09 03:29:44,329 WARN L180 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 65 [2018-12-09 03:29:44,485 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 33 [2018-12-09 03:29:44,670 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 28 [2018-12-09 03:29:45,355 WARN L180 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 68 [2018-12-09 03:29:45,631 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 37 [2018-12-09 03:29:45,821 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 28 [2018-12-09 03:29:46,063 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-12-09 03:29:46,169 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 31 [2018-12-09 03:29:46,652 WARN L180 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 53 [2018-12-09 03:29:46,796 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-12-09 03:29:46,948 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 28 [2018-12-09 03:29:47,079 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-12-09 03:29:47,208 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 28 [2018-12-09 03:29:47,566 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 50 [2018-12-09 03:29:48,273 WARN L180 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 59 [2018-12-09 03:29:48,529 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-12-09 03:29:49,239 WARN L180 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 60 [2018-12-09 03:29:49,684 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 26 [2018-12-09 03:29:49,865 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-12-09 03:29:50,130 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2018-12-09 03:29:50,351 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2018-12-09 03:29:50,354 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 623 629) the Hoare annotation is: true [2018-12-09 03:29:50,354 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 623 629) no Hoare annotation was computed. [2018-12-09 03:29:50,354 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 630 638) no Hoare annotation was computed. [2018-12-09 03:29:50,354 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 630 638) the Hoare annotation is: true [2018-12-09 03:29:50,354 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 630 638) no Hoare annotation was computed. [2018-12-09 03:29:50,354 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 547 569) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,354 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 547 569) no Hoare annotation was computed. [2018-12-09 03:29:50,354 INFO L444 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,355 INFO L444 ceAbstractionStarter]: At program point L559-1(line 559) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,355 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 564) no Hoare annotation was computed. [2018-12-09 03:29:50,355 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 547 569) no Hoare annotation was computed. [2018-12-09 03:29:50,355 INFO L448 ceAbstractionStarter]: For program point L557-1(lines 557 564) no Hoare annotation was computed. [2018-12-09 03:29:50,355 INFO L448 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-12-09 03:29:50,355 INFO L444 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,355 INFO L444 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,355 INFO L444 ceAbstractionStarter]: At program point L553-1(line 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,355 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse6 .cse2 .cse4 .cse3) (or .cse5 .cse1 (<= 3 ~waterLevel~0) .cse2) (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 03:29:50,356 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2018-12-09 03:29:50,356 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse6 .cse2 .cse4 .cse3) (or .cse5 .cse1 (<= 3 ~waterLevel~0) .cse2) (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 03:29:50,356 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-12-09 03:29:50,356 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2018-12-09 03:29:50,356 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 180 204) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse0 .cse5) (or .cse6 .cse7 .cse4 .cse0 .cse5) (or .cse1 .cse6 .cse0 .cse7 .cse4))) [2018-12-09 03:29:50,356 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 180 204) no Hoare annotation was computed. [2018-12-09 03:29:50,356 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse6 .cse5 .cse2))) [2018-12-09 03:29:50,356 INFO L448 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse6 .cse2 .cse4 .cse3) (or .cse5 .cse1 (<= 3 ~waterLevel~0) .cse2) (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 03:29:50,357 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 275 283) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 275 283) the Hoare annotation is: true [2018-12-09 03:29:50,357 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 275 283) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L451 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2018-12-09 03:29:50,357 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2018-12-09 03:29:50,357 INFO L448 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 616 622) no Hoare annotation was computed. [2018-12-09 03:29:50,357 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 616 622) the Hoare annotation is: true [2018-12-09 03:29:50,358 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 534 543) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 534 543) no Hoare annotation was computed. [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 534 543) no Hoare annotation was computed. [2018-12-09 03:29:50,358 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 264 274) the Hoare annotation is: true [2018-12-09 03:29:50,358 INFO L451 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 264 274) no Hoare annotation was computed. [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 264 274) no Hoare annotation was computed. [2018-12-09 03:29:50,358 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 256 263) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 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 .cse0 .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3)))) [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 256 263) no Hoare annotation was computed. [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 256 263) no Hoare annotation was computed. [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 449) no Hoare annotation was computed. [2018-12-09 03:29:50,358 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 439 452) no Hoare annotation was computed. [2018-12-09 03:29:50,359 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 439 452) the Hoare annotation is: true [2018-12-09 03:29:50,359 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 439 452) no Hoare annotation was computed. [2018-12-09 03:29:50,359 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse6 .cse5 .cse2))) [2018-12-09 03:29:50,359 INFO L448 ceAbstractionStarter]: For program point L225-1(lines 206 230) no Hoare annotation was computed. [2018-12-09 03:29:50,359 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse5 .cse1 (<= 3 ~waterLevel~0) .cse2) (or .cse0 (and (= processEnvironment_~tmp~3 0) .cse4) .cse6 .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 03:29:50,359 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4 .cse0 .cse5 .cse2) (or .cse4 .cse1 (<= 3 ~waterLevel~0) .cse2) (or .cse0 .cse5 .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 03:29:50,359 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 206 230) no Hoare annotation was computed. [2018-12-09 03:29:50,359 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 222) no Hoare annotation was computed. [2018-12-09 03:29:50,359 INFO L444 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse6 .cse2 .cse4 .cse3) (or .cse5 .cse1 (<= 3 ~waterLevel~0) .cse2) (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 03:29:50,360 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 206 230) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse0 .cse5) (or .cse6 .cse7 .cse4 .cse0 .cse5) (or .cse1 .cse6 .cse0 .cse7 .cse4))) [2018-12-09 03:29:50,360 INFO L448 ceAbstractionStarter]: For program point L212-1(line 212) no Hoare annotation was computed. [2018-12-09 03:29:50,360 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 227) no Hoare annotation was computed. [2018-12-09 03:29:50,360 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2018-12-09 03:29:50,360 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2018-12-09 03:29:50,360 INFO L444 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) .cse4 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse5 .cse3))) [2018-12-09 03:29:50,360 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-12-09 03:29:50,360 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,360 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-12-09 03:29:50,360 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 03:29:50,360 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-12-09 03:29:50,361 INFO L444 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 03:29:50,361 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-09 03:29:50,361 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 03:29:50,361 INFO L448 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-12-09 03:29:50,361 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-12-09 03:29:50,361 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse0 (< ~waterLevel~0 3))) (or (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 .cse0 (= ~pumpRunning~0 0)))) [2018-12-09 03:29:50,361 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-12-09 03:29:50,361 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-12-09 03:29:50,361 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-12-09 03:29:50,361 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse1 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) .cse4 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 03:29:50,362 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 231 238) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))) (.cse1 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-09 03:29:50,362 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 231 238) no Hoare annotation was computed. [2018-12-09 03:29:50,362 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 231 238) no Hoare annotation was computed. [2018-12-09 03:29:50,362 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 453 461) no Hoare annotation was computed. [2018-12-09 03:29:50,362 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 453 461) the Hoare annotation is: true [2018-12-09 03:29:50,362 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 453 461) no Hoare annotation was computed. [2018-12-09 03:29:50,362 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 03:29:50,362 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 03:29:50,362 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 03:29:50,362 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 239 255) no Hoare annotation was computed. [2018-12-09 03:29:50,362 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse3 (= ~methaneLevelCritical~0 activatePump_~tmp~4))) (or .cse4 .cse0 .cse2 (not (= ~waterLevel~0 1))) (or .cse4 .cse0 .cse3 .cse1 .cse2))) [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point L250-1(lines 239 255) no Hoare annotation was computed. [2018-12-09 03:29:50,363 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 239 255) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 252) no Hoare annotation was computed. [2018-12-09 03:29:50,363 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-12-09 03:29:50,363 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 430 438) the Hoare annotation is: true [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 430 438) no Hoare annotation was computed. [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 430 438) no Hoare annotation was computed. [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 320 338) no Hoare annotation was computed. [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 333) no Hoare annotation was computed. [2018-12-09 03:29:50,363 INFO L451 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: true [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point L329-2(lines 329 333) no Hoare annotation was computed. [2018-12-09 03:29:50,363 INFO L448 ceAbstractionStarter]: For program point L327-1(line 327) no Hoare annotation was computed. [2018-12-09 03:29:50,364 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 320 338) the Hoare annotation is: true [2018-12-09 03:29:50,364 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 320 338) no Hoare annotation was computed. [2018-12-09 03:29:50,364 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 386 397) the Hoare annotation is: (let ((.cse6 (not (= 1 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2)))) (or .cse4 (or .cse5 .cse2) .cse6 .cse7) (or (< 1 ~waterLevel~0) .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse6) .cse0 .cse4 .cse3) (or .cse5 .cse1 .cse7 .cse4 .cse2))) [2018-12-09 03:29:50,364 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 386 397) no Hoare annotation was computed. [2018-12-09 03:29:50,364 INFO L448 ceAbstractionStarter]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2018-12-09 03:29:50,364 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 398 406) the Hoare annotation is: true [2018-12-09 03:29:50,364 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 398 406) no Hoare annotation was computed. [2018-12-09 03:29:50,364 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 398 406) no Hoare annotation was computed. [2018-12-09 03:29:50,364 INFO L451 ceAbstractionStarter]: At program point L483-2(lines 483 497) the Hoare annotation is: true [2018-12-09 03:29:50,364 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 473 502) no Hoare annotation was computed. [2018-12-09 03:29:50,364 INFO L451 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: true [2018-12-09 03:29:50,364 INFO L448 ceAbstractionStarter]: For program point L479-1(line 479) no Hoare annotation was computed. [2018-12-09 03:29:50,365 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 473 502) the Hoare annotation is: true [2018-12-09 03:29:50,365 INFO L451 ceAbstractionStarter]: At program point L498(lines 473 502) the Hoare annotation is: true [2018-12-09 03:29:50,365 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 03:29:50,365 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 491) no Hoare annotation was computed. [2018-12-09 03:29:50,365 INFO L451 ceAbstractionStarter]: At program point L487-1(lines 487 491) the Hoare annotation is: true [2018-12-09 03:29:50,365 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 03:29:50,365 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse16 (= ~waterLevel~0 0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~waterLevel~0 1)) (.cse10 (= ~waterLevel~0 2)) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse13 (not .cse16)) (.cse14 (= |old(~waterLevel~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse15 (or .cse0 .cse4 .cse3)) (.cse12 (<= ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 .cse6) (or (or .cse7 .cse4 .cse3) .cse8 .cse5) (or (or .cse4 .cse3 .cse9) .cse5 .cse10) (or .cse11 .cse3 (and .cse12 .cse13) .cse4 .cse14 .cse5) (or .cse1 .cse3 .cse5 .cse9) (or .cse11 .cse1 .cse3 .cse5) (or (and (or .cse8 .cse10) (= ~pumpRunning~0 1)) (or (and .cse9 .cse7) .cse15)) (or .cse2 .cse13 .cse15 .cse14) (or .cse16 (or .cse3 (not .cse14) .cse4 .cse5)) (or .cse11 .cse15 (and .cse12 .cse6))))) [2018-12-09 03:29:50,365 INFO L448 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2018-12-09 03:29:50,366 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse11 (= ~waterLevel~0 2)) (.cse18 (not (= |old(~waterLevel~0)| 2))) (.cse15 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse16 (= ~waterLevel~0 0))) (let ((.cse12 (= 1 ~waterLevel~0)) (.cse8 (not .cse16)) (.cse17 (not .cse7)) (.cse13 (and .cse18 .cse15)) (.cse19 (or .cse11 (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse14 (or .cse9 .cse3 .cse1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse8 .cse4) (or .cse6 .cse2 .cse1 .cse0 .cse4) (or .cse9 .cse6 .cse0 .cse2 .cse1) (or (and .cse10 .cse8) .cse5 .cse3 .cse7 .cse1 .cse4) (or (or .cse11 .cse12) (or .cse13 .cse14)) (or .cse5 .cse10 .cse6 .cse1 .cse4) (or .cse12 (or (or .cse1 .cse15) .cse3) .cse4) (or .cse2 .cse14 .cse7 .cse8) (or .cse16 (or .cse1 .cse17 .cse3 .cse4)) (or .cse5 .cse10 .cse14) (or .cse11 (or .cse3 .cse1 .cse18) .cse4) (or (or .cse6 .cse17) .cse1 .cse4 .cse16) (or .cse13 .cse9 .cse6 .cse1 .cse19) (or .cse19 (or .cse6 .cse1 .cse15) .cse4) (or .cse6 .cse11 .cse1 .cse4 .cse18) (or .cse2 .cse14 .cse0) (or .cse9 .cse5 .cse6 .cse1 .cse10)))) [2018-12-09 03:29:50,366 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2018-12-09 03:29:50,366 INFO L444 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse17 (= ~waterLevel~0 2)) (.cse5 (= ~waterLevel~0 1)) (.cse13 (<= ~waterLevel~0 1)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| 0))) (let ((.cse14 (not .cse9)) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse0 (and .cse13 .cse11)) (.cse16 (or .cse17 .cse5)) (.cse15 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (= ~waterLevel~0 0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse12 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse3 .cse1 .cse6) .cse4) (or .cse7 .cse8 .cse9 .cse1 (not .cse10) .cse4) (or .cse8 .cse2 .cse1 .cse11 .cse4) (or .cse12 .cse8 .cse11 .cse2 .cse1) (or .cse7 .cse13 .cse8 .cse1 .cse4) (or .cse10 (or .cse1 .cse14 .cse3 .cse4)) (or (or .cse8 .cse14) .cse1 .cse4 .cse10) (or (and .cse6 .cse15) .cse12 .cse8 .cse1 .cse16) (or .cse2 (or .cse12 .cse3 .cse1) .cse0) (or .cse16 (or .cse8 .cse1 .cse15) .cse4) (or (or .cse15 .cse3 .cse1) .cse10 .cse4) (or .cse8 .cse17 .cse1 .cse4 .cse6) (or .cse12 .cse7 .cse8 .cse1 .cse13)))) [2018-12-09 03:29:50,366 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2018-12-09 03:29:50,366 INFO L444 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse17 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| 0))) (let ((.cse12 (not .cse8)) (.cse2 (and (= 0 ~pumpRunning~0) .cse15)) (.cse0 (and .cse15 .cse17)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~waterLevel~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= ~waterLevel~0 1)) (.cse18 (= ~waterLevel~0 2)) (.cse16 (= ~pumpRunning~0 1)) (.cse14 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 (not .cse9) .cse5) (or .cse10 (or .cse4 .cse1 .cse11) .cse5) (or .cse9 (or .cse7 .cse12) .cse1 .cse5) (or .cse9 (or .cse1 .cse12 .cse4 .cse5)) (or .cse10 (or .cse7 .cse1 .cse13) .cse5) (or .cse2 .cse3 (or .cse14 .cse4 .cse1) .cse0) (or .cse6 .cse7 (and .cse15 .cse16) .cse1 .cse5 .cse0) (or .cse14 .cse6 .cse7 .cse15 .cse1) (or .cse14 .cse7 .cse1 .cse17 .cse13) (or .cse7 (and .cse18 .cse16) .cse1 .cse5 .cse11) (or (or .cse13 .cse4 .cse1) .cse9 .cse5) (or (and .cse11 .cse13) .cse14 .cse7 (or .cse10 .cse18) .cse1) (or .cse16 .cse14 .cse7 .cse17 .cse3 .cse1)))) [2018-12-09 03:29:50,366 INFO L448 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2018-12-09 03:29:50,366 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 571 603) no Hoare annotation was computed. [2018-12-09 03:29:50,366 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 571 603) the Hoare annotation is: true [2018-12-09 03:29:50,367 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (<= 3 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse5 .cse1 .cse6 .cse2) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse6 .cse4 .cse2))) [2018-12-09 03:29:50,367 INFO L448 ceAbstractionStarter]: For program point L590(lines 590 596) no Hoare annotation was computed. [2018-12-09 03:29:50,367 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (<= 3 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse0 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 0) .cse3))) [2018-12-09 03:29:50,367 INFO L448 ceAbstractionStarter]: For program point L588-1(line 588) no Hoare annotation was computed. [2018-12-09 03:29:50,367 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 599) no Hoare annotation was computed. [2018-12-09 03:29:50,367 INFO L448 ceAbstractionStarter]: For program point L586-1(lines 571 603) no Hoare annotation was computed. [2018-12-09 03:29:50,367 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (<= 3 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~waterLevel~0 0) .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 0) (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse0 .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2018-12-09 03:29:50,367 INFO L448 ceAbstractionStarter]: For program point L584-1(line 584) no Hoare annotation was computed. [2018-12-09 03:29:50,367 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 600) no Hoare annotation was computed. [2018-12-09 03:29:50,367 INFO L451 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: true [2018-12-09 03:29:50,368 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 362 373) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 0))) (let ((.cse11 (= ~waterLevel~0 2)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse12 (= ~waterLevel~0 1)) (.cse7 (not .cse1)) (.cse0 (= |old(~waterLevel~0)| 0)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 1)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (or (= ~pumpRunning~0 0) .cse3))) (and (or (not .cse0) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse0 .cse8) (or .cse5 .cse6 .cse2 .cse9 .cse8) (or (or .cse2 .cse8 .cse10) .cse4 .cse11) (or (or .cse12 .cse11) (or (and (or .cse5 .cse8 .cse10) (or .cse5 .cse3 .cse13)) .cse2)) (or (or .cse2 .cse3 .cse13) .cse12 .cse4) (or .cse7 (<= 3 |old(~waterLevel~0)|) .cse2 .cse0 .cse4 .cse8) (or .cse6 .cse9 .cse2 .cse4 .cse8)))) [2018-12-09 03:29:50,368 INFO L448 ceAbstractionStarter]: For program point L366-1(lines 362 373) no Hoare annotation was computed. [2018-12-09 03:29:50,368 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 362 373) no Hoare annotation was computed. [2018-12-09 03:29:50,368 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 527 533) no Hoare annotation was computed. [2018-12-09 03:29:50,368 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 527 533) the Hoare annotation is: true [2018-12-09 03:29:50,368 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 03:29:50,368 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 03:29:50,368 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 03:29:50,368 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 03:29:50,368 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse0 .cse5) (or .cse6 .cse7 .cse4 .cse0 .cse5) (or .cse1 .cse6 .cse0 .cse7 .cse4))) [2018-12-09 03:29:50,369 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse6 .cse5 .cse2))) [2018-12-09 03:29:50,369 INFO L448 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-12-09 03:29:50,369 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2018-12-09 03:29:50,369 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2018-12-09 03:29:50,369 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse6 .cse2 .cse4 .cse3) (or .cse5 .cse1 (<= 3 ~waterLevel~0) .cse2) (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 03:29:50,369 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2018-12-09 03:29:50,369 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (<= 3 ~waterLevel~0) .cse2 (and (<= ~waterLevel~0 1) .cse3)) (or .cse4 .cse5 .cse2 .cse6) (or .cse4 .cse1 .cse3 .cse2 .cse6) (or .cse0 .cse4 .cse5 .cse2) (or .cse1 .cse2 .cse6 (not (= ~waterLevel~0 2))))) [2018-12-09 03:29:50,369 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse5 (<= 3 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse4 .cse0 .cse5 .cse2 .cse3) (or .cse6 .cse7 .cse2 .cse3) (or .cse8 .cse0 (and .cse1 .cse4) .cse5 .cse2 (and (<= ~waterLevel~0 1) .cse4)) (or .cse8 .cse6 .cse7 .cse2))) [2018-12-09 03:29:50,369 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2018-12-09 03:29:50,369 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 374 385) no Hoare annotation was computed. [2018-12-09 03:29:50,370 INFO L448 ceAbstractionStarter]: For program point L378-1(lines 374 385) no Hoare annotation was computed. [2018-12-09 03:29:50,370 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 374 385) the Hoare annotation is: (let ((.cse12 (= ~waterLevel~0 1)) (.cse8 (= ~waterLevel~0 2))) (let ((.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse11 (not (= ~methaneLevelCritical~0 1))) (.cse13 (or .cse12 .cse8)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 0)) (.cse1 (not (= |old(~waterLevel~0)| 0))) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 .cse2) .cse3) (or .cse7 .cse2 .cse8 .cse3 .cse9) (or (and .cse9 .cse10) .cse11 .cse0 .cse2 (or .cse8 .cse12)) (or .cse5 (or .cse11 .cse7 .cse2) .cse6) (or (and (or .cse11 .cse9) (or .cse11 .cse10)) .cse13 .cse7 .cse2) (or .cse11 .cse5 .cse0 .cse2 .cse6) (or .cse10 .cse12 .cse7 .cse2 .cse3) (or .cse13 (or .cse0 .cse2 .cse10) .cse3) (or .cse4 (or .cse1 .cse7 .cse2 .cse3)) (or .cse5 .cse6 .cse0 .cse2 .cse3)))) [2018-12-09 03:29:50,370 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 463 470) no Hoare annotation was computed. [2018-12-09 03:29:50,370 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 463 470) the Hoare annotation is: true [2018-12-09 03:29:50,370 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 467) no Hoare annotation was computed. [2018-12-09 03:29:50,370 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 463 470) no Hoare annotation was computed. [2018-12-09 03:29:50,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:29:50 BoogieIcfgContainer [2018-12-09 03:29:50,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 03:29:50,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:29:50,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:29:50,381 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:29:50,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:28:57" (3/4) ... [2018-12-09 03:29:50,385 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 03:29:50,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 03:29:50,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 03:29:50,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 03:29:50,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 03:29:50,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 03:29:50,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 03:29:50,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 03:29:50,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 03:29:50,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 03:29:50,398 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-09 03:29:50,398 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 03:29:50,399 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 03:29:50,399 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 03:29:50,399 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 03:29:50,400 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 03:29:50,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((waterLevel < 3 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((waterLevel < 3 && methaneLevelCritical == 0) && pumpRunning == 1) && splverifierCounter == 0) [2018-12-09 03:29:50,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 03:29:50,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e6c7214-3175-4827-b524-c233d5b8ff2f/bin-2019/utaipan/witness.graphml [2018-12-09 03:29:50,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:29:50,451 INFO L168 Benchmark]: Toolchain (without parser) took 54034.66 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 957.1 MB in the beginning and 1.8 GB in the end (delta: -820.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-09 03:29:50,451 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:29:50,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 03:29:50,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:29:50,452 INFO L168 Benchmark]: Boogie Preprocessor took 21.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:29:50,452 INFO L168 Benchmark]: RCFGBuilder took 332.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:29:50,452 INFO L168 Benchmark]: TraceAbstraction took 53270.00 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -754.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-09 03:29:50,453 INFO L168 Benchmark]: Witness Printer took 69.27 ms. Allocated memory is still 2.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-12-09 03:29:50,454 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 332.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53270.00 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -754.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 69.27 ms. Allocated memory is still 2.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 467]: 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: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((waterLevel < 3 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((waterLevel < 3 && methaneLevelCritical == 0) && pumpRunning == 1) && splverifierCounter == 0) - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 169 locations, 1 error locations. SAFE Result, 53.2s OverallTime, 18 OverallIterations, 4 TraceHistogramMax, 35.8s AutomataDifference, 0.0s DeadEndRemovalTime, 8.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 4448 SDtfs, 4872 SDslu, 32597 SDs, 0 SdLazy, 9963 SolverSat, 1689 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 1843 GetRequests, 1402 SyntacticMatches, 20 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6412 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2959occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 8 AbstIntIterations, 6 AbstIntStrong, 0.9964983989428224 AbsIntWeakeningRatio, 0.8877665544332211 AbsIntAvgWeakeningVarsNumRemoved, 73.60044893378226 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 617 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 7841 PreInvPairs, 8182 NumberOfFragments, 4225 HoareAnnotationTreeSize, 7841 FomulaSimplifications, 37873 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 70 FomulaSimplificationsInter, 98962 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2408 NumberOfCodeBlocks, 2408 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2730 ConstructedInterpolants, 0 QuantifiedInterpolants, 569058 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1804 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 555/581 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...