./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_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_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:54:16,913 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:54:16,914 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:54:16,920 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:54:16,920 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:54:16,921 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:54:16,922 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:54:16,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:54:16,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:54:16,924 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:54:16,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:54:16,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:54:16,925 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:54:16,926 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:54:16,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:54:16,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:54:16,927 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:54:16,928 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:54:16,929 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:54:16,930 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:54:16,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:54:16,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:54:16,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:54:16,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:54:16,933 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:54:16,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:54:16,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:54:16,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:54:16,935 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:54:16,936 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:54:16,936 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:54:16,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:54:16,936 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:54:16,937 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:54:16,937 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:54:16,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:54:16,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:54:16,945 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:54:16,945 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:54:16,946 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:54:16,946 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:54:16,946 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:54:16,946 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:54:16,947 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:54:16,947 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:54:16,947 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:54:16,947 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:54:16,947 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:54:16,947 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:54:16,947 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:54:16,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:54:16,948 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:54:16,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:54:16,948 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:54:16,948 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:54:16,948 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:54:16,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:54:16,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:54:16,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:54:16,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:54:16,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:54:16,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:54:16,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:54:16,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:54:16,950 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:54:16,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:54:16,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:54:16,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:54:16,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:54:16,950 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:54:16,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:54:16,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:54:16,951 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:54:16,951 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_1f2ca138-4704-4d51-9520-0494ec34eba1/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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2018-12-09 09:54:16,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:54:16,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:54:16,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:54:16,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:54:16,981 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:54:16,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-12-09 09:54:17,024 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/data/ac3db5bb6/df1ca74dd20c4488bc4b8ec795b15b11/FLAGe1ea9b540 [2018-12-09 09:54:17,434 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:54:17,435 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-12-09 09:54:17,441 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/data/ac3db5bb6/df1ca74dd20c4488bc4b8ec795b15b11/FLAGe1ea9b540 [2018-12-09 09:54:17,449 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/data/ac3db5bb6/df1ca74dd20c4488bc4b8ec795b15b11 [2018-12-09 09:54:17,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:54:17,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:54:17,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:54:17,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:54:17,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:54:17,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,457 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 09:54:17, skipping insertion in model container [2018-12-09 09:54:17,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:54:17,482 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:54:17,630 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:54:17,671 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:54:17,714 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:54:17,729 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:54:17,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17 WrapperNode [2018-12-09 09:54:17,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:54:17,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:54:17,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:54:17,730 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:54:17,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:54:17,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:54:17,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:54:17,751 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:54:17,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... [2018-12-09 09:54:17,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:54:17,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:54:17,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:54:17,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:54:17,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/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 09:54:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:54:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:54:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:54:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:54:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 09:54:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 09:54:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:54:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:54:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:54:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:54:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:54:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 09:54:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 09:54:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:54:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:54:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:54:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:54:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 09:54:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 09:54:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:54:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:54:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:54:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:54:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 09:54:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 09:54:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 09:54:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 09:54:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:54:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:54:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:54:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:54:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:54:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:54:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:54:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:54:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 09:54:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 09:54:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:54:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:54:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:54:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:54:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:54:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:54:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:54:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:54:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:54:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:54:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:54:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:54:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:54:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:54:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:54:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:54:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:54:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:54:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:54:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:54:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:54:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:54:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:54:18,140 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:54:18,140 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:54:18,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:54:18 BoogieIcfgContainer [2018-12-09 09:54:18,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:54:18,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:54:18,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:54:18,144 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:54:18,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:54:17" (1/3) ... [2018-12-09 09:54:18,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4ede6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:54:18, skipping insertion in model container [2018-12-09 09:54:18,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:17" (2/3) ... [2018-12-09 09:54:18,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4ede6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:54:18, skipping insertion in model container [2018-12-09 09:54:18,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:54:18" (3/3) ... [2018-12-09 09:54:18,147 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-12-09 09:54:18,154 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:54:18,158 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:54:18,172 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:54:18,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:54:18,193 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:54:18,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:54:18,194 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:54:18,194 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:54:18,194 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:54:18,194 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:54:18,194 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:54:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2018-12-09 09:54:18,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:54:18,215 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:18,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:54:18,218 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:18,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1493314064, now seen corresponding path program 1 times [2018-12-09 09:54:18,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:18,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:18,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:18,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:18,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:18,369 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 09:54:18,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:18,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:54:18,371 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:18,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:54:18,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:54:18,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:54:18,383 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2018-12-09 09:54:18,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:18,405 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2018-12-09 09:54:18,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:54:18,406 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 09:54:18,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:18,413 INFO L225 Difference]: With dead ends: 270 [2018-12-09 09:54:18,413 INFO L226 Difference]: Without dead ends: 137 [2018-12-09 09:54:18,415 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 09:54:18,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-09 09:54:18,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-09 09:54:18,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-09 09:54:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-12-09 09:54:18,445 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2018-12-09 09:54:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:18,445 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-12-09 09:54:18,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:54:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-12-09 09:54:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:54:18,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:18,447 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 09:54:18,447 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:18,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:18,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1278122046, now seen corresponding path program 1 times [2018-12-09 09:54:18,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:18,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:18,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:18,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:18,448 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:18,506 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 09:54:18,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:18,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:54:18,507 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:18,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:54:18,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:54:18,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:54:18,508 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2018-12-09 09:54:18,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:18,521 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2018-12-09 09:54:18,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:54:18,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 09:54:18,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:18,522 INFO L225 Difference]: With dead ends: 215 [2018-12-09 09:54:18,522 INFO L226 Difference]: Without dead ends: 128 [2018-12-09 09:54:18,523 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 09:54:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-09 09:54:18,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-09 09:54:18,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-09 09:54:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2018-12-09 09:54:18,531 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2018-12-09 09:54:18,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:18,531 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2018-12-09 09:54:18,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:54:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2018-12-09 09:54:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 09:54:18,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:18,532 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 09:54:18,532 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:18,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:18,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1253670099, now seen corresponding path program 1 times [2018-12-09 09:54:18,532 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:18,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:18,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:18,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:18,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:18,599 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 09:54:18,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:18,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:54:18,600 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:18,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:54:18,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:54:18,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:54:18,601 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 7 states. [2018-12-09 09:54:18,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:18,759 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2018-12-09 09:54:18,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:54:18,760 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 09:54:18,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:18,761 INFO L225 Difference]: With dead ends: 228 [2018-12-09 09:54:18,761 INFO L226 Difference]: Without dead ends: 128 [2018-12-09 09:54:18,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:54:18,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-09 09:54:18,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-09 09:54:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-09 09:54:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2018-12-09 09:54:18,769 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2018-12-09 09:54:18,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:18,769 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2018-12-09 09:54:18,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:54:18,770 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2018-12-09 09:54:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 09:54:18,771 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:18,771 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] [2018-12-09 09:54:18,771 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:18,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:18,772 INFO L82 PathProgramCache]: Analyzing trace with hash 388033785, now seen corresponding path program 1 times [2018-12-09 09:54:18,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:18,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:18,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:18,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:18,773 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:18,827 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 09:54:18,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:18,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 09:54:18,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:18,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 09:54:18,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 09:54:18,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 09:54:18,828 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 5 states. [2018-12-09 09:54:19,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:19,112 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2018-12-09 09:54:19,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:54:19,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-09 09:54:19,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:19,114 INFO L225 Difference]: With dead ends: 329 [2018-12-09 09:54:19,114 INFO L226 Difference]: Without dead ends: 229 [2018-12-09 09:54:19,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:54:19,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-12-09 09:54:19,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 210. [2018-12-09 09:54:19,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-12-09 09:54:19,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2018-12-09 09:54:19,129 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2018-12-09 09:54:19,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:19,130 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2018-12-09 09:54:19,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 09:54:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2018-12-09 09:54:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 09:54:19,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:19,131 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] [2018-12-09 09:54:19,131 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:19,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:19,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1195866969, now seen corresponding path program 1 times [2018-12-09 09:54:19,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:19,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:19,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:19,178 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 09:54:19,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:19,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:54:19,178 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:19,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:54:19,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:54:19,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:54:19,179 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 6 states. [2018-12-09 09:54:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:19,285 INFO L93 Difference]: Finished difference Result 556 states and 656 transitions. [2018-12-09 09:54:19,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:54:19,286 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 09:54:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:19,288 INFO L225 Difference]: With dead ends: 556 [2018-12-09 09:54:19,288 INFO L226 Difference]: Without dead ends: 374 [2018-12-09 09:54:19,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:54:19,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-12-09 09:54:19,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2018-12-09 09:54:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-12-09 09:54:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2018-12-09 09:54:19,326 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2018-12-09 09:54:19,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:19,327 INFO L480 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2018-12-09 09:54:19,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:54:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2018-12-09 09:54:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 09:54:19,328 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:19,328 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] [2018-12-09 09:54:19,328 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:19,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:19,329 INFO L82 PathProgramCache]: Analyzing trace with hash -2011780491, now seen corresponding path program 1 times [2018-12-09 09:54:19,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:19,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:19,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,329 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:19,393 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 09:54:19,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:19,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:54:19,394 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:19,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:54:19,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:54:19,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:54:19,395 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 7 states. [2018-12-09 09:54:19,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:19,667 INFO L93 Difference]: Finished difference Result 739 states and 868 transitions. [2018-12-09 09:54:19,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:54:19,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-09 09:54:19,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:19,670 INFO L225 Difference]: With dead ends: 739 [2018-12-09 09:54:19,670 INFO L226 Difference]: Without dead ends: 399 [2018-12-09 09:54:19,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:54:19,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-12-09 09:54:19,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 367. [2018-12-09 09:54:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-09 09:54:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-12-09 09:54:19,692 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2018-12-09 09:54:19,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:19,692 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-12-09 09:54:19,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:54:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-12-09 09:54:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 09:54:19,694 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:19,694 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 09:54:19,694 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:19,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:19,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1201698845, now seen corresponding path program 1 times [2018-12-09 09:54:19,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:19,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:19,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:19,751 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 09:54:19,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:19,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:54:19,751 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:19,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:54:19,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:54:19,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:54:19,752 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 6 states. [2018-12-09 09:54:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:19,775 INFO L93 Difference]: Finished difference Result 716 states and 826 transitions. [2018-12-09 09:54:19,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:54:19,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 09:54:19,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:19,777 INFO L225 Difference]: With dead ends: 716 [2018-12-09 09:54:19,777 INFO L226 Difference]: Without dead ends: 377 [2018-12-09 09:54:19,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:54:19,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-12-09 09:54:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-12-09 09:54:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-12-09 09:54:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2018-12-09 09:54:19,789 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2018-12-09 09:54:19,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:19,790 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2018-12-09 09:54:19,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:54:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2018-12-09 09:54:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 09:54:19,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:19,791 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 09:54:19,791 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:19,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:19,791 INFO L82 PathProgramCache]: Analyzing trace with hash -500098971, now seen corresponding path program 1 times [2018-12-09 09:54:19,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:19,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:19,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:19,839 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 09:54:19,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:19,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:54:19,839 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:19,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:54:19,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:54:19,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:54:19,840 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 8 states. [2018-12-09 09:54:19,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:19,862 INFO L93 Difference]: Finished difference Result 740 states and 860 transitions. [2018-12-09 09:54:19,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:54:19,862 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-09 09:54:19,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:19,864 INFO L225 Difference]: With dead ends: 740 [2018-12-09 09:54:19,864 INFO L226 Difference]: Without dead ends: 391 [2018-12-09 09:54:19,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:54:19,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-12-09 09:54:19,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 385. [2018-12-09 09:54:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-12-09 09:54:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2018-12-09 09:54:19,878 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2018-12-09 09:54:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:19,878 INFO L480 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2018-12-09 09:54:19,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:54:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2018-12-09 09:54:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 09:54:19,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:19,879 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 09:54:19,880 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:19,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:19,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1225381926, now seen corresponding path program 1 times [2018-12-09 09:54:19,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:19,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:19,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:19,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:19,921 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 09:54:19,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:19,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:54:19,921 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:19,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:54:19,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:54:19,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:54:19,922 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 4 states. [2018-12-09 09:54:20,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:20,050 INFO L93 Difference]: Finished difference Result 1162 states and 1382 transitions. [2018-12-09 09:54:20,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:54:20,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-09 09:54:20,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:20,054 INFO L225 Difference]: With dead ends: 1162 [2018-12-09 09:54:20,054 INFO L226 Difference]: Without dead ends: 805 [2018-12-09 09:54:20,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:54:20,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2018-12-09 09:54:20,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 517. [2018-12-09 09:54:20,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-12-09 09:54:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 580 transitions. [2018-12-09 09:54:20,090 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 580 transitions. Word has length 89 [2018-12-09 09:54:20,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:20,090 INFO L480 AbstractCegarLoop]: Abstraction has 517 states and 580 transitions. [2018-12-09 09:54:20,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:54:20,090 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 580 transitions. [2018-12-09 09:54:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 09:54:20,091 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:20,092 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 09:54:20,092 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:20,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:20,092 INFO L82 PathProgramCache]: Analyzing trace with hash -40858900, now seen corresponding path program 1 times [2018-12-09 09:54:20,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:20,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:20,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:20,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:20,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:20,132 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 09:54:20,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:20,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:54:20,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:20,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:54:20,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:54:20,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:54:20,133 INFO L87 Difference]: Start difference. First operand 517 states and 580 transitions. Second operand 3 states. [2018-12-09 09:54:20,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:20,182 INFO L93 Difference]: Finished difference Result 796 states and 908 transitions. [2018-12-09 09:54:20,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:54:20,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-09 09:54:20,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:20,184 INFO L225 Difference]: With dead ends: 796 [2018-12-09 09:54:20,184 INFO L226 Difference]: Without dead ends: 793 [2018-12-09 09:54:20,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 09:54:20,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-12-09 09:54:20,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 662. [2018-12-09 09:54:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-12-09 09:54:20,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 753 transitions. [2018-12-09 09:54:20,212 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 753 transitions. Word has length 93 [2018-12-09 09:54:20,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:20,212 INFO L480 AbstractCegarLoop]: Abstraction has 662 states and 753 transitions. [2018-12-09 09:54:20,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:54:20,213 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 753 transitions. [2018-12-09 09:54:20,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 09:54:20,215 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:20,216 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:54:20,216 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:20,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:20,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1574363727, now seen corresponding path program 1 times [2018-12-09 09:54:20,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:20,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:20,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:20,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:20,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 09:54:20,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:54:20,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:54:20,306 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-09 09:54:20,308 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [37], [52], [55], [56], [60], [61], [63], [72], [76], [80], [83], [86], [88], [91], [94], [96], [102], [105], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [166], [167], [173], [177], [183], [217], [223], [226], [228], [231], [241], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [264], [265], [266], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-12-09 09:54:20,334 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:54:20,334 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:54:21,505 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:54:21,506 INFO L272 AbstractInterpreter]: Visited 100 different actions 572 times. Merged at 14 different actions 65 times. Never widened. Performed 28216 root evaluator evaluations with a maximum evaluation depth of 3. Performed 28216 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-09 09:54:21,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:21,513 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:54:21,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:54:21,513 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/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 09:54:21,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:21,519 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:54:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:21,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:54:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:54:21,681 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:54:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 09:54:21,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:54:21,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-09 09:54:21,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:21,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:54:21,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:54:21,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:54:21,817 INFO L87 Difference]: Start difference. First operand 662 states and 753 transitions. Second operand 3 states. [2018-12-09 09:54:21,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:21,883 INFO L93 Difference]: Finished difference Result 1108 states and 1269 transitions. [2018-12-09 09:54:21,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:54:21,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-12-09 09:54:21,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:21,886 INFO L225 Difference]: With dead ends: 1108 [2018-12-09 09:54:21,887 INFO L226 Difference]: Without dead ends: 602 [2018-12-09 09:54:21,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:54:21,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-12-09 09:54:21,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2018-12-09 09:54:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-12-09 09:54:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 674 transitions. [2018-12-09 09:54:21,927 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 674 transitions. Word has length 152 [2018-12-09 09:54:21,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:21,927 INFO L480 AbstractCegarLoop]: Abstraction has 602 states and 674 transitions. [2018-12-09 09:54:21,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:54:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 674 transitions. [2018-12-09 09:54:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 09:54:21,929 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:21,929 INFO L402 BasicCegarLoop]: trace histogram [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 09:54:21,930 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:21,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:21,930 INFO L82 PathProgramCache]: Analyzing trace with hash -446802025, now seen corresponding path program 1 times [2018-12-09 09:54:21,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:21,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:21,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:21,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:21,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:54:22,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:54:22,043 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:54:22,043 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-09 09:54:22,043 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [37], [40], [42], [48], [52], [55], [56], [60], [61], [62], [63], [72], [76], [80], [83], [86], [88], [91], [94], [96], [102], [105], [115], [116], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [166], [167], [170], [173], [177], [183], [212], [216], [217], [223], [226], [228], [231], [238], [241], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [266], [268], [269], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311], [314], [315] [2018-12-09 09:54:22,046 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:54:22,046 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:54:23,411 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:54:23,412 INFO L272 AbstractInterpreter]: Visited 125 different actions 1017 times. Merged at 21 different actions 98 times. Never widened. Performed 42727 root evaluator evaluations with a maximum evaluation depth of 5. Performed 42727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-09 09:54:23,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:23,413 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:54:23,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:54:23,414 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/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 09:54:23,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:23,420 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:54:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:23,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:54:23,562 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:54:23,562 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:54:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:54:23,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:54:23,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-09 09:54:23,818 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:23,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:54:23,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:54:23,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-09 09:54:23,818 INFO L87 Difference]: Start difference. First operand 602 states and 674 transitions. Second operand 9 states. [2018-12-09 09:54:24,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:24,617 INFO L93 Difference]: Finished difference Result 1834 states and 2370 transitions. [2018-12-09 09:54:24,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 09:54:24,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-09 09:54:24,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:24,624 INFO L225 Difference]: With dead ends: 1834 [2018-12-09 09:54:24,624 INFO L226 Difference]: Without dead ends: 1388 [2018-12-09 09:54:24,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-09 09:54:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2018-12-09 09:54:24,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1190. [2018-12-09 09:54:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-09 09:54:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1411 transitions. [2018-12-09 09:54:24,690 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1411 transitions. Word has length 154 [2018-12-09 09:54:24,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:24,690 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1411 transitions. [2018-12-09 09:54:24,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:54:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1411 transitions. [2018-12-09 09:54:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 09:54:24,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:24,692 INFO L402 BasicCegarLoop]: trace histogram [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 09:54:24,692 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:24,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:24,692 INFO L82 PathProgramCache]: Analyzing trace with hash -519188583, now seen corresponding path program 1 times [2018-12-09 09:54:24,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:24,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:24,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:24,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:24,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 09:54:24,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:24,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:54:24,752 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:24,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:54:24,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:54:24,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:54:24,753 INFO L87 Difference]: Start difference. First operand 1190 states and 1411 transitions. Second operand 9 states. [2018-12-09 09:54:24,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:24,805 INFO L93 Difference]: Finished difference Result 1673 states and 1976 transitions. [2018-12-09 09:54:24,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:54:24,806 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-09 09:54:24,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:24,806 INFO L225 Difference]: With dead ends: 1673 [2018-12-09 09:54:24,806 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:54:24,808 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 09:54:24,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:54:24,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:54:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:54:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:54:24,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2018-12-09 09:54:24,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:24,809 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:54:24,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:54:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:54:24,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:54:24,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:54:24,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:24,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:54:25,323 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-12-09 09:54:26,347 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-12-09 09:54:27,252 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 09:54:27,252 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 09:54:27,252 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 09:54:27,252 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 09:54:27,252 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 09:54:27,252 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:54:27,252 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2018-12-09 09:54:27,252 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2018-12-09 09:54:27,252 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:27,252 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:27,252 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2018-12-09 09:54:27,252 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:54:27,253 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:54:27,253 INFO L444 ceAbstractionStarter]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L451 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 09:54:27,253 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2018-12-09 09:54:27,253 INFO L444 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:54:27,253 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (< |old(~pumpRunning~0)| 1) (not (= ~systemActive~0 1)) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L444 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4))) [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L444 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L444 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0))) [2018-12-09 09:54:27,254 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2 .cse3))) [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2018-12-09 09:54:27,254 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2018-12-09 09:54:27,255 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L444 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L444 ceAbstractionStarter]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L444 ceAbstractionStarter]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:54:27,255 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2018-12-09 09:54:27,255 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-12-09 09:54:27,256 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~pumpRunning~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse6))) [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2018-12-09 09:54:27,256 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L451 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: true [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (< ~waterLevel~0 1) .cse2 .cse3) (or .cse2 (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (or .cse0 .cse1) .cse3))) [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2018-12-09 09:54:27,257 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or .cse4 (and (= 1 ~waterLevel~0) .cse5 .cse3) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse6) (or (or .cse4 .cse1) .cse2 (and .cse3 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse6))) [2018-12-09 09:54:27,257 INFO L444 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~methAndRunningLastTime~0))) (and (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (= 1 ~waterLevel~0) .cse2) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or .cse1 .cse0) .cse3 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 .cse4))))) [2018-12-09 09:54:27,258 INFO L444 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse3) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point L341(lines 340 359) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse0 .cse3) .cse5 (and .cse2 .cse1 .cse6) .cse4) (or .cse7 .cse3 .cse5 (and .cse2 .cse6)) (or .cse7 .cse1 .cse3 .cse5 .cse4))) [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L451 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-12-09 09:54:27,258 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L451 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2018-12-09 09:54:27,258 INFO L451 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L451 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-12-09 09:54:27,258 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:54:27,258 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-09 09:54:27,259 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~pumpRunning~0 1) .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse3 .cse0) .cse1 .cse2 .cse4))) [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-09 09:54:27,259 INFO L444 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse0 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse0))) [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point L375-1(line 375) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L444 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2018-12-09 09:54:27,259 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) .cse1 .cse2 .cse3) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-12-09 09:54:27,259 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2018-12-09 09:54:27,260 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2018-12-09 09:54:27,260 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-12-09 09:54:27,260 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2018-12-09 09:54:27,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:54:27 BoogieIcfgContainer [2018-12-09 09:54:27,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:54:27,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:54:27,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:54:27,270 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:54:27,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:54:18" (3/4) ... [2018-12-09 09:54:27,272 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 09:54:27,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:54:27,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:54:27,281 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 09:54:27,281 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 09:54:27,281 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 09:54:27,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:54:27,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:54:27,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:54:27,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:54:27,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:54:27,327 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1f2ca138-4704-4d51-9520-0494ec34eba1/bin-2019/utaipan/witness.graphml [2018-12-09 09:54:27,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:54:27,328 INFO L168 Benchmark]: Toolchain (without parser) took 9876.38 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 743.4 MB). Free memory was 956.0 MB in the beginning and 1.3 GB in the end (delta: -393.7 MB). Peak memory consumption was 349.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:27,328 INFO L168 Benchmark]: CDTParser took 0.14 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 09:54:27,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -196.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:27,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:54:27,328 INFO L168 Benchmark]: Boogie Preprocessor took 22.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:54:27,328 INFO L168 Benchmark]: RCFGBuilder took 367.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:27,329 INFO L168 Benchmark]: TraceAbstraction took 9128.19 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 576.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -250.9 MB). Peak memory consumption was 707.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:27,329 INFO L168 Benchmark]: Witness Printer took 57.57 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 275.1 kB). Peak memory consumption was 275.1 kB. Max. memory is 11.5 GB. [2018-12-09 09:54:27,330 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -196.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 367.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9128.19 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 576.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -250.9 MB). Peak memory consumption was 707.9 MB. Max. memory is 11.5 GB. * Witness Printer took 57.57 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 275.1 kB). Peak memory consumption was 275.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 150 locations, 1 error locations. SAFE Result, 9.0s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2129 SDtfs, 1480 SDslu, 4375 SDs, 0 SdLazy, 2068 SolverSat, 582 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 658 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1190occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 680 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1793 PreInvPairs, 1878 NumberOfFragments, 2045 HoareAnnotationTreeSize, 1793 FomulaSimplifications, 13292 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11832 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1528 NumberOfCodeBlocks, 1528 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 348537 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1807 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 289/309 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...