./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/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 216d00aaae39a5385dce6e868b43ee8cd776a043 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:32:49,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:32:49,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:32:49,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:32:49,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:32:49,989 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:32:49,990 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:32:49,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:32:49,992 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:32:49,993 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:32:49,994 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:32:49,994 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:32:49,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:32:49,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:32:49,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:32:49,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:32:49,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:32:50,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:32:50,002 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:32:50,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:32:50,004 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:32:50,005 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:32:50,007 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:32:50,007 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:32:50,007 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:32:50,008 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:32:50,009 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:32:50,010 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:32:50,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:32:50,011 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:32:50,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:32:50,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:32:50,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:32:50,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:32:50,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:32:50,014 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:32:50,014 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:32:50,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:32:50,037 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:32:50,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:32:50,038 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:32:50,038 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:32:50,038 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:32:50,039 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:32:50,039 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:32:50,040 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:32:50,040 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:32:50,040 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:32:50,040 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:32:50,040 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:32:50,041 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:32:50,043 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:32:50,043 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:32:50,043 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:32:50,043 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:32:50,043 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:32:50,044 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:32:50,044 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:32:50,044 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:32:50,044 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:32:50,044 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:32:50,044 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:32:50,044 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:32:50,045 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:32:50,045 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:32:50,045 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:32:50,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:32:50,045 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:32:50,045 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:32:50,045 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:32:50,046 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:32:50,046 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:32:50,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:32:50,046 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:32:50,046 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_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2018-11-18 10:32:50,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:32:50,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:32:50,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:32:50,111 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:32:50,111 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:32:50,112 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-18 10:32:50,160 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/data/33a6bfd56/100ba544d9ba4d2481cf8debc933a6a1/FLAG3cfc4f4d6 [2018-11-18 10:32:50,550 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:32:50,550 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-18 10:32:50,560 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/data/33a6bfd56/100ba544d9ba4d2481cf8debc933a6a1/FLAG3cfc4f4d6 [2018-11-18 10:32:50,573 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/data/33a6bfd56/100ba544d9ba4d2481cf8debc933a6a1 [2018-11-18 10:32:50,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:32:50,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:32:50,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:32:50,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:32:50,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:32:50,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:32:50" (1/1) ... [2018-11-18 10:32:50,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bea0e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:50, skipping insertion in model container [2018-11-18 10:32:50,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:32:50" (1/1) ... [2018-11-18 10:32:50,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:32:50,635 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:32:50,863 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:32:50,871 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:32:51,060 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:32:51,096 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:32:51,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51 WrapperNode [2018-11-18 10:32:51,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:32:51,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:32:51,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:32:51,097 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:32:51,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:32:51,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:32:51,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:32:51,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:32:51,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... [2018-11-18 10:32:51,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:32:51,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:32:51,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:32:51,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:32:51,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/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 [2018-11-18 10:32:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:32:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:32:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:32:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:32:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 10:32:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 10:32:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 10:32:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 10:32:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:32:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:32:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:32:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:32:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:32:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 10:32:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 10:32:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:32:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:32:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:32:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:32:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 10:32:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 10:32:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 10:32:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 10:32:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 10:32:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 10:32:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 10:32:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 10:32:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:32:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:32:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:32:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:32:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:32:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:32:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:32:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:32:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:32:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:32:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:32:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:32:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:32:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:32:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:32:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:32:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:32:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:32:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:32:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:32:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:32:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:32:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:32:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:32:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:32:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:32:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:32:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:32:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:32:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:32:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:32:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:32:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 10:32:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 10:32:51,952 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:32:51,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:32:51 BoogieIcfgContainer [2018-11-18 10:32:51,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:32:51,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:32:51,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:32:51,956 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:32:51,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:32:50" (1/3) ... [2018-11-18 10:32:51,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38329e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:32:51, skipping insertion in model container [2018-11-18 10:32:51,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:51" (2/3) ... [2018-11-18 10:32:51,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38329e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:32:51, skipping insertion in model container [2018-11-18 10:32:51,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:32:51" (3/3) ... [2018-11-18 10:32:51,958 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-18 10:32:51,967 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:32:51,974 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:32:51,986 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:32:52,014 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:32:52,015 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:32:52,015 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:32:52,015 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:32:52,015 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:32:52,015 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:32:52,015 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:32:52,015 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:32:52,031 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-11-18 10:32:52,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:32:52,040 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:52,041 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:32:52,043 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:52,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1129012364, now seen corresponding path program 1 times [2018-11-18 10:32:52,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:52,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:52,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:52,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:52,080 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:32:52,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:52,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:32:52,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:52,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:32:52,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:32:52,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:32:52,291 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-11-18 10:32:52,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:52,321 INFO L93 Difference]: Finished difference Result 296 states and 365 transitions. [2018-11-18 10:32:52,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:32:52,322 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 10:32:52,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:52,333 INFO L225 Difference]: With dead ends: 296 [2018-11-18 10:32:52,333 INFO L226 Difference]: Without dead ends: 148 [2018-11-18 10:32:52,336 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:32:52,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-18 10:32:52,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-18 10:32:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-18 10:32:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2018-11-18 10:32:52,385 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 46 [2018-11-18 10:32:52,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:52,385 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2018-11-18 10:32:52,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:32:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2018-11-18 10:32:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:32:52,388 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:52,388 INFO L375 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] [2018-11-18 10:32:52,389 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:52,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:52,389 INFO L82 PathProgramCache]: Analyzing trace with hash -360973133, now seen corresponding path program 1 times [2018-11-18 10:32:52,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:52,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:52,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:52,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:52,390 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:32:52,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:52,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:32:52,516 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:52,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:32:52,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:32:52,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:32:52,521 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 3 states. [2018-11-18 10:32:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:52,544 INFO L93 Difference]: Finished difference Result 237 states and 277 transitions. [2018-11-18 10:32:52,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:32:52,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 10:32:52,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:52,546 INFO L225 Difference]: With dead ends: 237 [2018-11-18 10:32:52,546 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 10:32:52,547 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:32:52,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 10:32:52,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 10:32:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 10:32:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-11-18 10:32:52,561 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 48 [2018-11-18 10:32:52,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:52,561 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-11-18 10:32:52,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:32:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-11-18 10:32:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:32:52,563 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:52,563 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:32:52,563 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:52,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:52,563 INFO L82 PathProgramCache]: Analyzing trace with hash -264704782, now seen corresponding path program 1 times [2018-11-18 10:32:52,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:52,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:52,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:52,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:52,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:32:52,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:52,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:32:52,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:52,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:32:52,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:32:52,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:32:52,858 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 7 states. [2018-11-18 10:32:53,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:53,588 INFO L93 Difference]: Finished difference Result 417 states and 502 transitions. [2018-11-18 10:32:53,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:32:53,589 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 10:32:53,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:53,594 INFO L225 Difference]: With dead ends: 417 [2018-11-18 10:32:53,594 INFO L226 Difference]: Without dead ends: 303 [2018-11-18 10:32:53,595 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:32:53,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-11-18 10:32:53,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 295. [2018-11-18 10:32:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-11-18 10:32:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 355 transitions. [2018-11-18 10:32:53,633 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 355 transitions. Word has length 52 [2018-11-18 10:32:53,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:53,633 INFO L480 AbstractCegarLoop]: Abstraction has 295 states and 355 transitions. [2018-11-18 10:32:53,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:32:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 355 transitions. [2018-11-18 10:32:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 10:32:53,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:53,635 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:32:53,635 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:53,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:53,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1170841258, now seen corresponding path program 1 times [2018-11-18 10:32:53,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:53,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:53,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:53,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:53,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:32:53,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:53,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:32:53,808 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:53,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:32:53,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:32:53,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:32:53,810 INFO L87 Difference]: Start difference. First operand 295 states and 355 transitions. Second operand 6 states. [2018-11-18 10:32:54,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:54,059 INFO L93 Difference]: Finished difference Result 822 states and 1013 transitions. [2018-11-18 10:32:54,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:32:54,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-18 10:32:54,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:54,063 INFO L225 Difference]: With dead ends: 822 [2018-11-18 10:32:54,063 INFO L226 Difference]: Without dead ends: 551 [2018-11-18 10:32:54,065 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:32:54,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2018-11-18 10:32:54,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 545. [2018-11-18 10:32:54,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2018-11-18 10:32:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 660 transitions. [2018-11-18 10:32:54,113 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 660 transitions. Word has length 58 [2018-11-18 10:32:54,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:54,114 INFO L480 AbstractCegarLoop]: Abstraction has 545 states and 660 transitions. [2018-11-18 10:32:54,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:32:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 660 transitions. [2018-11-18 10:32:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:32:54,117 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:54,117 INFO L375 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] [2018-11-18 10:32:54,117 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:54,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:54,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1921227058, now seen corresponding path program 1 times [2018-11-18 10:32:54,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:54,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:54,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:54,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:54,119 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:32:54,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:54,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:32:54,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:54,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:32:54,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:32:54,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:32:54,413 INFO L87 Difference]: Start difference. First operand 545 states and 660 transitions. Second operand 7 states. [2018-11-18 10:32:55,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:55,004 INFO L93 Difference]: Finished difference Result 1402 states and 1813 transitions. [2018-11-18 10:32:55,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 10:32:55,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-18 10:32:55,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:55,007 INFO L225 Difference]: With dead ends: 1402 [2018-11-18 10:32:55,007 INFO L226 Difference]: Without dead ends: 881 [2018-11-18 10:32:55,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:32:55,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2018-11-18 10:32:55,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 779. [2018-11-18 10:32:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2018-11-18 10:32:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 941 transitions. [2018-11-18 10:32:55,052 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 941 transitions. Word has length 62 [2018-11-18 10:32:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:55,053 INFO L480 AbstractCegarLoop]: Abstraction has 779 states and 941 transitions. [2018-11-18 10:32:55,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:32:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 941 transitions. [2018-11-18 10:32:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 10:32:55,056 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:55,056 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:32:55,056 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:55,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:55,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1088200684, now seen corresponding path program 1 times [2018-11-18 10:32:55,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:55,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:55,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:55,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:55,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:32:55,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:55,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:32:55,215 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:55,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:32:55,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:32:55,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:32:55,216 INFO L87 Difference]: Start difference. First operand 779 states and 941 transitions. Second operand 6 states. [2018-11-18 10:32:55,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:55,614 INFO L93 Difference]: Finished difference Result 1562 states and 1946 transitions. [2018-11-18 10:32:55,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:32:55,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-18 10:32:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:55,623 INFO L225 Difference]: With dead ends: 1562 [2018-11-18 10:32:55,624 INFO L226 Difference]: Without dead ends: 807 [2018-11-18 10:32:55,626 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:32:55,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-11-18 10:32:55,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 799. [2018-11-18 10:32:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-11-18 10:32:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 961 transitions. [2018-11-18 10:32:55,676 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 961 transitions. Word has length 99 [2018-11-18 10:32:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:55,679 INFO L480 AbstractCegarLoop]: Abstraction has 799 states and 961 transitions. [2018-11-18 10:32:55,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:32:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 961 transitions. [2018-11-18 10:32:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 10:32:55,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:55,682 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:32:55,682 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:55,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:55,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1981687022, now seen corresponding path program 1 times [2018-11-18 10:32:55,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:55,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:55,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:55,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:55,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:32:55,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:55,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 10:32:55,876 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:55,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 10:32:55,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 10:32:55,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:32:55,876 INFO L87 Difference]: Start difference. First operand 799 states and 961 transitions. Second operand 8 states. [2018-11-18 10:32:55,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:55,981 INFO L93 Difference]: Finished difference Result 1602 states and 1986 transitions. [2018-11-18 10:32:55,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:32:55,985 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-18 10:32:55,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:55,989 INFO L225 Difference]: With dead ends: 1602 [2018-11-18 10:32:55,991 INFO L226 Difference]: Without dead ends: 827 [2018-11-18 10:32:55,993 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:32:55,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2018-11-18 10:32:56,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 815. [2018-11-18 10:32:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-11-18 10:32:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 977 transitions. [2018-11-18 10:32:56,034 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 977 transitions. Word has length 99 [2018-11-18 10:32:56,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:56,034 INFO L480 AbstractCegarLoop]: Abstraction has 815 states and 977 transitions. [2018-11-18 10:32:56,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 10:32:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 977 transitions. [2018-11-18 10:32:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 10:32:56,038 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:56,038 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:32:56,038 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:56,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:56,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1973927663, now seen corresponding path program 1 times [2018-11-18 10:32:56,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:56,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:56,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:56,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:56,040 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:32:56,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:56,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:32:56,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:56,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:32:56,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:32:56,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:32:56,259 INFO L87 Difference]: Start difference. First operand 815 states and 977 transitions. Second operand 4 states. [2018-11-18 10:32:57,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:57,705 INFO L93 Difference]: Finished difference Result 2583 states and 3246 transitions. [2018-11-18 10:32:57,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:32:57,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-18 10:32:57,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:57,714 INFO L225 Difference]: With dead ends: 2583 [2018-11-18 10:32:57,714 INFO L226 Difference]: Without dead ends: 1792 [2018-11-18 10:32:57,717 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:32:57,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2018-11-18 10:32:57,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1761. [2018-11-18 10:32:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1761 states. [2018-11-18 10:32:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2165 transitions. [2018-11-18 10:32:57,807 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2165 transitions. Word has length 99 [2018-11-18 10:32:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:57,808 INFO L480 AbstractCegarLoop]: Abstraction has 1761 states and 2165 transitions. [2018-11-18 10:32:57,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:32:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2165 transitions. [2018-11-18 10:32:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 10:32:57,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:57,813 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:32:57,814 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:57,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:57,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1329877577, now seen corresponding path program 1 times [2018-11-18 10:32:57,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:57,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:57,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:57,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:57,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:32:58,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:32:58,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:32:58,209 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-11-18 10:32:58,211 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [79], [85], [89], [93], [96], [101], [104], [109], [112], [128], [129], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [195], [199], [206], [207], [215], [219], [222], [224], [227], [237], [240], [244], [245], [248], [250], [253], [255], [258], [267], [268], [269], [270], [271], [272], [273], [274], [275], [281], [283], [284], [291], [292], [293], [294], [295], [296], [299], [303], [304], [305], [306], [307], [308], [315], [316], [317], [319], [320], [321], [323], [324], [325], [326], [331], [332], [333], [334], [335] [2018-11-18 10:32:58,248 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:32:58,249 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:32:58,807 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:32:58,809 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2509 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2509 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 10:32:58,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:58,857 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:32:59,147 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.16% of their original sizes. [2018-11-18 10:32:59,147 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:32:59,736 INFO L415 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-11-18 10:32:59,736 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:32:59,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:32:59,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-11-18 10:32:59,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:59,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-18 10:32:59,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-18 10:32:59,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-11-18 10:32:59,738 INFO L87 Difference]: Start difference. First operand 1761 states and 2165 transitions. Second operand 24 states. [2018-11-18 10:33:12,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:33:12,513 INFO L93 Difference]: Finished difference Result 3810 states and 4745 transitions. [2018-11-18 10:33:12,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-18 10:33:12,513 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 103 [2018-11-18 10:33:12,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:33:12,522 INFO L225 Difference]: With dead ends: 3810 [2018-11-18 10:33:12,522 INFO L226 Difference]: Without dead ends: 2073 [2018-11-18 10:33:12,528 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 128 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=268, Invalid=2182, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 10:33:12,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2018-11-18 10:33:12,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2056. [2018-11-18 10:33:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2056 states. [2018-11-18 10:33:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2442 transitions. [2018-11-18 10:33:12,615 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2442 transitions. Word has length 103 [2018-11-18 10:33:12,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:33:12,615 INFO L480 AbstractCegarLoop]: Abstraction has 2056 states and 2442 transitions. [2018-11-18 10:33:12,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-18 10:33:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2442 transitions. [2018-11-18 10:33:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:33:12,623 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:33:12,624 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:33:12,625 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:33:12,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:33:12,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1003825999, now seen corresponding path program 1 times [2018-11-18 10:33:12,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:33:12,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:33:12,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:33:12,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:33:12,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:33:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 10:33:12,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:33:12,891 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:33:12,892 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-18 10:33:12,893 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [79], [85], [89], [93], [96], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [192], [195], [199], [205], [206], [207], [210], [214], [215], [219], [222], [224], [227], [234], [237], [240], [244], [245], [248], [250], [253], [255], [258], [264], [266], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [308], [313], [314], [315], [316], [317], [318], [319], [320], [321], [323], [324], [325], [326], [329], [330], [331], [332], [333], [334], [335] [2018-11-18 10:33:12,897 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:33:12,898 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:33:14,788 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:33:14,788 INFO L272 AbstractInterpreter]: Visited 132 different actions 698 times. Merged at 20 different actions 60 times. Never widened. Performed 33801 root evaluator evaluations with a maximum evaluation depth of 5. Performed 33801 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-18 10:33:14,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:33:14,820 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:33:14,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:33:14,820 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/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 [2018-11-18 10:33:14,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:33:14,834 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:33:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:14,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:33:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:33:15,118 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:33:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 10:33:15,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:33:15,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-18 10:33:15,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:33:15,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:33:15,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:33:15,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:33:15,834 INFO L87 Difference]: Start difference. First operand 2056 states and 2442 transitions. Second operand 5 states. [2018-11-18 10:33:17,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:33:17,941 INFO L93 Difference]: Finished difference Result 4199 states and 5290 transitions. [2018-11-18 10:33:17,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:33:17,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2018-11-18 10:33:17,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:33:17,954 INFO L225 Difference]: With dead ends: 4199 [2018-11-18 10:33:17,954 INFO L226 Difference]: Without dead ends: 2806 [2018-11-18 10:33:17,959 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:33:17,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2018-11-18 10:33:18,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2542. [2018-11-18 10:33:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2542 states. [2018-11-18 10:33:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3081 transitions. [2018-11-18 10:33:18,106 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3081 transitions. Word has length 161 [2018-11-18 10:33:18,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:33:18,106 INFO L480 AbstractCegarLoop]: Abstraction has 2542 states and 3081 transitions. [2018-11-18 10:33:18,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:33:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3081 transitions. [2018-11-18 10:33:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 10:33:18,114 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:33:18,114 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:33:18,114 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:33:18,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:33:18,114 INFO L82 PathProgramCache]: Analyzing trace with hash 973644905, now seen corresponding path program 1 times [2018-11-18 10:33:18,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:33:18,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:33:18,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:33:18,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:33:18,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:33:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 10:33:18,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:33:18,347 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:33:18,348 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-18 10:33:18,348 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [79], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [192], [195], [199], [205], [206], [207], [210], [214], [215], [219], [222], [224], [227], [234], [237], [240], [244], [245], [248], [250], [253], [255], [258], [264], [266], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [308], [313], [314], [315], [316], [317], [318], [319], [320], [321], [323], [324], [325], [326], [329], [330], [331], [332], [333], [334], [335] [2018-11-18 10:33:18,353 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:33:18,353 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:33:19,796 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:33:19,796 INFO L272 AbstractInterpreter]: Visited 133 different actions 875 times. Merged at 21 different actions 79 times. Never widened. Performed 30107 root evaluator evaluations with a maximum evaluation depth of 5. Performed 30107 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 6 different actions. Largest state had 132 variables. [2018-11-18 10:33:19,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:33:19,801 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:33:19,801 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:33:19,802 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/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 [2018-11-18 10:33:19,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:33:19,809 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:33:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:19,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:33:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:33:20,005 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:33:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 10:33:20,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:33:20,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-18 10:33:20,416 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:33:20,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:33:20,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:33:20,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-18 10:33:20,417 INFO L87 Difference]: Start difference. First operand 2542 states and 3081 transitions. Second operand 9 states. [2018-11-18 10:33:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:33:22,098 INFO L93 Difference]: Finished difference Result 5896 states and 7879 transitions. [2018-11-18 10:33:22,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 10:33:22,099 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-18 10:33:22,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:33:22,115 INFO L225 Difference]: With dead ends: 5896 [2018-11-18 10:33:22,115 INFO L226 Difference]: Without dead ends: 4079 [2018-11-18 10:33:22,122 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-18 10:33:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2018-11-18 10:33:22,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 3304. [2018-11-18 10:33:22,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3304 states. [2018-11-18 10:33:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4045 transitions. [2018-11-18 10:33:22,407 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4045 transitions. Word has length 157 [2018-11-18 10:33:22,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:33:22,408 INFO L480 AbstractCegarLoop]: Abstraction has 3304 states and 4045 transitions. [2018-11-18 10:33:22,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:33:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4045 transitions. [2018-11-18 10:33:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 10:33:22,414 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:33:22,414 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:33:22,415 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:33:22,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:33:22,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1248404519, now seen corresponding path program 1 times [2018-11-18 10:33:22,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:33:22,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:33:22,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:33:22,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:33:22,416 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:33:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:33:22,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:33:22,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 10:33:22,916 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:33:22,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:33:22,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:33:22,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:33:22,916 INFO L87 Difference]: Start difference. First operand 3304 states and 4045 transitions. Second operand 9 states. [2018-11-18 10:33:23,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:33:23,042 INFO L93 Difference]: Finished difference Result 4274 states and 5217 transitions. [2018-11-18 10:33:23,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:33:23,052 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-18 10:33:23,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:33:23,053 INFO L225 Difference]: With dead ends: 4274 [2018-11-18 10:33:23,053 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:33:23,060 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:33:23,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:33:23,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:33:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:33:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:33:23,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-11-18 10:33:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:33:23,063 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:33:23,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:33:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:33:23,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:33:23,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:33:23,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:23,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:33:24,877 WARN L180 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 18 [2018-11-18 10:33:25,503 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-11-18 10:33:25,626 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-11-18 10:33:26,195 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 52 [2018-11-18 10:33:26,319 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2018-11-18 10:33:26,477 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2018-11-18 10:33:26,605 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2018-11-18 10:33:26,896 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 20 [2018-11-18 10:33:27,408 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2018-11-18 10:33:27,791 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2018-11-18 10:33:27,902 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2018-11-18 10:33:28,199 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2018-11-18 10:33:28,348 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2018-11-18 10:33:28,350 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-11-18 10:33:28,350 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-11-18 10:33:28,350 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-11-18 10:33:28,350 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-11-18 10:33:28,350 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-11-18 10:33:28,351 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,351 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2018-11-18 10:33:28,351 INFO L421 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,351 INFO L421 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,351 INFO L425 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2018-11-18 10:33:28,351 INFO L425 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2018-11-18 10:33:28,351 INFO L425 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2018-11-18 10:33:28,351 INFO L421 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,351 INFO L421 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,352 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2018-11-18 10:33:28,352 INFO L421 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,352 INFO L421 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< ~waterLevel~0 1)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or (or .cse4 .cse1) .cse5) (or .cse6 .cse4 .cse5) (or (or .cse6 .cse0 .cse2) .cse3))) [2018-11-18 10:33:28,352 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2018-11-18 10:33:28,352 INFO L425 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-11-18 10:33:28,352 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or .cse7 .cse1))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or (or .cse4 .cse0 .cse2) .cse3) (or .cse2 .cse5 .cse6) (or .cse4 .cse5 .cse7 (< ~waterLevel~0 1)) (or .cse5 (or .cse6 (not (= ~waterLevel~0 1))))))) [2018-11-18 10:33:28,352 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2018-11-18 10:33:28,352 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2018-11-18 10:33:28,352 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-11-18 10:33:28,353 INFO L428 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-11-18 10:33:28,353 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-11-18 10:33:28,353 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-11-18 10:33:28,353 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2018-11-18 10:33:28,353 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2018-11-18 10:33:28,354 INFO L425 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-18 10:33:28,354 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2018-11-18 10:33:28,354 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2018-11-18 10:33:28,354 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2018-11-18 10:33:28,354 INFO L428 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-18 10:33:28,354 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-18 10:33:28,354 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2018-11-18 10:33:28,354 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2018-11-18 10:33:28,354 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2018-11-18 10:33:28,354 INFO L421 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 10:33:28,355 INFO L425 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2018-11-18 10:33:28,355 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-18 10:33:28,355 INFO L421 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 10:33:28,355 INFO L421 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse3) (or .cse0 .cse5 .cse1 .cse2) (or .cse4 .cse1 (< ~waterLevel~0 2) .cse3) (or .cse5 .cse4 .cse1 .cse2))) [2018-11-18 10:33:28,355 INFO L425 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2018-11-18 10:33:28,355 INFO L421 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse2 .cse5))) [2018-11-18 10:33:28,355 INFO L425 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-11-18 10:33:28,355 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2018-11-18 10:33:28,355 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-18 10:33:28,355 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-18 10:33:28,356 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-18 10:33:28,356 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-18 10:33:28,356 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2018-11-18 10:33:28,356 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2018-11-18 10:33:28,356 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,356 INFO L421 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:33:28,356 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-18 10:33:28,356 INFO L425 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2018-11-18 10:33:28,356 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2018-11-18 10:33:28,356 INFO L421 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:33:28,357 INFO L421 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (and (and .cse3 .cse0 .cse2) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:33:28,357 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-18 10:33:28,357 INFO L425 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2018-11-18 10:33:28,357 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-11-18 10:33:28,357 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 201 248) no Hoare annotation was computed. [2018-11-18 10:33:28,357 INFO L421 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:33:28,357 INFO L421 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse1 .cse3) (and .cse5 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (and .cse4 .cse6 .cse3)))) [2018-11-18 10:33:28,357 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-11-18 10:33:28,357 INFO L421 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse5 .cse6 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2018-11-18 10:33:28,358 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-18 10:33:28,358 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:33:28,358 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 10:33:28,358 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:33:28,359 INFO L421 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 10:33:28,359 INFO L425 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2018-11-18 10:33:28,359 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2018-11-18 10:33:28,359 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-11-18 10:33:28,359 INFO L421 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 10:33:28,359 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 10:33:28,359 INFO L425 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-11-18 10:33:28,359 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2018-11-18 10:33:28,359 INFO L425 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2018-11-18 10:33:28,359 INFO L428 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-11-18 10:33:28,359 INFO L425 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2018-11-18 10:33:28,359 INFO L425 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-11-18 10:33:28,360 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2018-11-18 10:33:28,360 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2018-11-18 10:33:28,360 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-18 10:33:28,360 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse3) .cse2))) [2018-11-18 10:33:28,360 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-18 10:33:28,360 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2018-11-18 10:33:28,360 INFO L428 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2018-11-18 10:33:28,360 INFO L425 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2018-11-18 10:33:28,360 INFO L425 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-18 10:33:28,360 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2018-11-18 10:33:28,360 INFO L425 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-11-18 10:33:28,360 INFO L428 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2018-11-18 10:33:28,361 INFO L425 ceAbstractionStarter]: For program point L906-1(lines 906 920) no Hoare annotation was computed. [2018-11-18 10:33:28,361 INFO L428 ceAbstractionStarter]: At program point L906-3(lines 906 920) the Hoare annotation is: true [2018-11-18 10:33:28,361 INFO L428 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-11-18 10:33:28,361 INFO L425 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-18 10:33:28,363 INFO L421 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not .cse2)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (and .cse4 .cse5) (or .cse6 .cse3 .cse7)) (or (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse6 .cse8 .cse9) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5 .cse10)) (or (or .cse6 (not (= ~systemActive~0 1)) .cse7 .cse11) .cse12) (or (and .cse9 .cse4 .cse10) .cse6 .cse8 .cse7) (or .cse1 .cse6 .cse12 .cse11)))) [2018-11-18 10:33:28,363 INFO L421 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or (and (not .cse0) .cse1) (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or (= ~waterLevel~0 2) .cse6 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse7 (or .cse6 .cse0 .cse4)) (or (or .cse6 .cse3 .cse4) .cse1) (or .cse6 .cse3 .cse2 (< |old(~waterLevel~0)| 1)) (or .cse3 .cse8 .cse5 (and .cse9 .cse2)) (or (or .cse0 .cse4 .cse5) (and (not (= ~waterLevel~0 1)) .cse10) .cse7) (or .cse6 .cse3 .cse9 .cse8)))) [2018-11-18 10:33:28,363 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~waterLevel~0 2)) (.cse5 (and .cse1 .cse11)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse2 .cse3) .cse5) (or .cse6 .cse7 .cse0 .cse8) (or .cse0 .cse9 .cse3 .cse10) (or (or .cse7 .cse4 .cse2) .cse5) (or .cse0 .cse11 .cse12 .cse3) (or (or .cse0 (not (= ~systemActive~0 1)) .cse3 .cse8) .cse6) (or .cse7 .cse0 .cse5 .cse12) (or .cse7 .cse0 .cse10 .cse9)))) [2018-11-18 10:33:28,363 INFO L421 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse4) (and .cse5 .cse6)) (or .cse1 .cse2 .cse7) (or (or .cse3 .cse4 .cse7) (and .cse6 .cse5)))) [2018-11-18 10:33:28,363 INFO L425 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2018-11-18 10:33:28,363 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2018-11-18 10:33:28,363 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2018-11-18 10:33:28,363 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-18 10:33:28,364 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-18 10:33:28,364 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-18 10:33:28,364 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse0))) [2018-11-18 10:33:28,364 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-18 10:33:28,364 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-18 10:33:28,364 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2018-11-18 10:33:28,364 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2018-11-18 10:33:28,364 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:33:28,364 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 10:33:28,364 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:33:28,364 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:33:28,365 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 10:33:28,365 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2018-11-18 10:33:28,365 INFO L421 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-11-18 10:33:28,365 INFO L425 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2018-11-18 10:33:28,365 INFO L421 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse5 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse4 .cse0 .cse1 .cse5) (or (or .cse0 .cse1 .cse5 .cse3) .cse2) (or .cse4 .cse0 .cse2 .cse1 (< ~waterLevel~0 1)))) [2018-11-18 10:33:28,365 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 1) .cse3)))) [2018-11-18 10:33:28,365 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2018-11-18 10:33:28,365 INFO L421 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-18 10:33:28,366 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1) (or (< |old(~waterLevel~0)| 1) .cse4 (or .cse1 .cse6)) (or .cse4 .cse5 (or (= ~systemActive~0 0) .cse6)) (or .cse1 .cse3 .cse6 .cse2) (or .cse7 (or .cse0 .cse1 .cse8)) (or .cse7 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse8))) [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2018-11-18 10:33:28,366 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2018-11-18 10:33:28,366 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2018-11-18 10:33:28,367 INFO L428 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-11-18 10:33:28,367 INFO L425 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-18 10:33:28,367 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2018-11-18 10:33:28,367 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2018-11-18 10:33:28,367 INFO L421 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0))) [2018-11-18 10:33:28,367 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-11-18 10:33:28,367 INFO L421 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0))) [2018-11-18 10:33:28,367 INFO L425 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-18 10:33:28,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:33:28 BoogieIcfgContainer [2018-11-18 10:33:28,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:33:28,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:33:28,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:33:28,398 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:33:28,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:32:51" (3/4) ... [2018-11-18 10:33:28,406 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:33:28,411 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:33:28,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:33:28,413 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 10:33:28,413 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 10:33:28,413 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:33:28,413 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 10:33:28,414 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 10:33:28,414 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:33:28,414 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:33:28,414 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:33:28,414 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:33:28,414 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:33:28,414 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:33:28,415 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:33:28,415 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:33:28,415 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:33:28,415 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 10:33:28,421 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 10:33:28,422 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:33:28,422 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:33:28,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:33:28,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:33:28,483 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b6874dc-3c72-41c7-bf7a-395b65e6ab36/bin-2019/utaipan/witness.graphml [2018-11-18 10:33:28,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:33:28,484 INFO L168 Benchmark]: Toolchain (without parser) took 37907.57 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 955.8 MB in the beginning and 1.7 GB in the end (delta: -756.5 MB). Peak memory consumption was 456.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:33:28,484 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:33:28,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:33:28,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:33:28,485 INFO L168 Benchmark]: Boogie Preprocessor took 44.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:33:28,485 INFO L168 Benchmark]: RCFGBuilder took 775.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:33:28,486 INFO L168 Benchmark]: TraceAbstraction took 36444.61 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -681.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 10:33:28,486 INFO L168 Benchmark]: Witness Printer took 85.27 ms. Allocated memory is still 2.2 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:33:28,487 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 518.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 775.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36444.61 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -681.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 85.27 ms. Allocated memory is still 2.2 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 36.3s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 20.4s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2466 SDtfs, 1955 SDslu, 10109 SDs, 0 SdLazy, 4707 SolverSat, 681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 881 GetRequests, 746 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3304occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9968628675499419 AbsIntWeakeningRatio, 1.0588235294117647 AbsIntAvgWeakeningVarsNumRemoved, 83.27450980392157 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 1223 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 5189 PreInvPairs, 5439 NumberOfFragments, 2362 HoareAnnotationTreeSize, 5189 FomulaSimplifications, 21063 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 28567 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1459 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1761 ConstructedInterpolants, 0 QuantifiedInterpolants, 358897 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1589 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 251/269 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...