./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/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 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:04:02,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:04:02,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:04:02,009 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:04:02,009 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:04:02,010 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:04:02,011 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:04:02,012 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:04:02,013 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:04:02,014 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:04:02,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:04:02,015 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:04:02,015 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:04:02,016 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:04:02,017 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:04:02,017 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:04:02,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:04:02,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:04:02,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:04:02,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:04:02,022 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:04:02,023 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:04:02,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:04:02,025 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:04:02,025 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:04:02,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:04:02,026 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:04:02,027 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:04:02,027 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:04:02,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:04:02,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:04:02,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:04:02,029 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:04:02,029 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:04:02,030 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:04:02,030 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:04:02,030 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:04:02,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:04:02,038 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:04:02,038 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:04:02,039 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:04:02,039 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:04:02,039 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:04:02,039 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:04:02,039 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:04:02,039 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:04:02,039 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:04:02,040 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:04:02,040 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:04:02,040 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:04:02,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:04:02,041 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:04:02,041 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:04:02,041 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:04:02,041 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:04:02,041 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:04:02,041 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:04:02,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:04:02,042 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:04:02,042 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:04:02,042 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:04:02,042 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:04:02,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:04:02,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:04:02,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:04:02,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:04:02,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:04:02,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:04:02,043 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:04:02,043 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:04:02,043 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:04:02,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:04:02,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:04:02,044 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:04:02,044 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_b1805d53-528b-4180-8257-8461adc49a54/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 -> 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 [2018-11-23 01:04:02,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:04:02,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:04:02,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:04:02,076 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:04:02,077 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:04:02,077 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-23 01:04:02,112 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/data/f17bb2519/4540425c6e4146748bd55be61226eba9/FLAG451f89207 [2018-11-23 01:04:02,548 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:04:02,549 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-23 01:04:02,559 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/data/f17bb2519/4540425c6e4146748bd55be61226eba9/FLAG451f89207 [2018-11-23 01:04:02,570 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/data/f17bb2519/4540425c6e4146748bd55be61226eba9 [2018-11-23 01:04:02,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:04:02,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:04:02,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:04:02,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:04:02,575 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:04:02,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:02,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02, skipping insertion in model container [2018-11-23 01:04:02,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:02,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:04:02,614 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:04:02,808 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:04:02,818 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:04:02,922 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:04:02,944 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:04:02,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02 WrapperNode [2018-11-23 01:04:02,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:04:02,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:04:02,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:04:02,945 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:04:02,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:02,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:02,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:04:02,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:04:02,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:04:02,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:04:02,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:02,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:02,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:02,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:02,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:03,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:03,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... [2018-11-23 01:04:03,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:04:03,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:04:03,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:04:03,010 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:04:03,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/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 [2018-11-23 01:04:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 01:04:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 01:04:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:04:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:04:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 01:04:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 01:04:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 01:04:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 01:04:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:04:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 01:04:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 01:04:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 01:04:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 01:04:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 01:04:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 01:04:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:04:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:04:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 01:04:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 01:04:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 01:04:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 01:04:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 01:04:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 01:04:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 01:04:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 01:04:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 01:04:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 01:04:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 01:04:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 01:04:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 01:04:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 01:04:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:04:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:04:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:04:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:04:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:04:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:04:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 01:04:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 01:04:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 01:04:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 01:04:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:04:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:04:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 01:04:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 01:04:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 01:04:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 01:04:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 01:04:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 01:04:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 01:04:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 01:04:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 01:04:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 01:04:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:04:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:04:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:04:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:04:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:04:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:04:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:04:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 01:04:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 01:04:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:04:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:04:03,504 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:04:03,505 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 01:04:03,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:03 BoogieIcfgContainer [2018-11-23 01:04:03,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:04:03,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:04:03,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:04:03,508 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:04:03,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:04:02" (1/3) ... [2018-11-23 01:04:03,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e61acd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:04:03, skipping insertion in model container [2018-11-23 01:04:03,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:02" (2/3) ... [2018-11-23 01:04:03,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e61acd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:04:03, skipping insertion in model container [2018-11-23 01:04:03,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:03" (3/3) ... [2018-11-23 01:04:03,511 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-23 01:04:03,517 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:04:03,522 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:04:03,532 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:04:03,554 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:04:03,554 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:04:03,554 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:04:03,555 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:04:03,555 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:04:03,555 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:04:03,555 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:04:03,555 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:04:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-11-23 01:04:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 01:04:03,577 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:03,577 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:03,579 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:03,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:03,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1200213217, now seen corresponding path program 1 times [2018-11-23 01:04:03,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:03,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:03,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:03,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:03,614 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:03,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:03,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:04:03,769 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:03,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:04:03,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:04:03,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:04:03,782 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2018-11-23 01:04:03,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:03,814 INFO L93 Difference]: Finished difference Result 298 states and 369 transitions. [2018-11-23 01:04:03,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:04:03,815 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 01:04:03,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:03,825 INFO L225 Difference]: With dead ends: 298 [2018-11-23 01:04:03,825 INFO L226 Difference]: Without dead ends: 151 [2018-11-23 01:04:03,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:04:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-23 01:04:03,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-23 01:04:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-23 01:04:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2018-11-23 01:04:03,867 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 51 [2018-11-23 01:04:03,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:03,868 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2018-11-23 01:04:03,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:04:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-11-23 01:04:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 01:04:03,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:03,871 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:03,871 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:03,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:03,872 INFO L82 PathProgramCache]: Analyzing trace with hash -240844160, now seen corresponding path program 1 times [2018-11-23 01:04:03,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:03,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:03,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:03,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:03,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:03,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:03,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:04:03,970 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:03,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:04:03,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:04:03,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:04:03,972 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 3 states. [2018-11-23 01:04:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:03,992 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2018-11-23 01:04:03,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:04:03,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 01:04:03,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:03,994 INFO L225 Difference]: With dead ends: 241 [2018-11-23 01:04:03,994 INFO L226 Difference]: Without dead ends: 142 [2018-11-23 01:04:03,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:04:03,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-23 01:04:04,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-23 01:04:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-23 01:04:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-11-23 01:04:04,007 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 52 [2018-11-23 01:04:04,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:04,008 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-11-23 01:04:04,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:04:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-11-23 01:04:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 01:04:04,009 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:04,009 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:04,009 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:04,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:04,010 INFO L82 PathProgramCache]: Analyzing trace with hash 422680117, now seen corresponding path program 1 times [2018-11-23 01:04:04,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:04,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:04,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:04,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:04,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:04,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:04,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:04:04,113 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:04,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:04:04,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:04:04,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:04:04,115 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 7 states. [2018-11-23 01:04:04,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:04,436 INFO L93 Difference]: Finished difference Result 421 states and 510 transitions. [2018-11-23 01:04:04,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:04:04,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 01:04:04,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:04,440 INFO L225 Difference]: With dead ends: 421 [2018-11-23 01:04:04,440 INFO L226 Difference]: Without dead ends: 307 [2018-11-23 01:04:04,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:04:04,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-11-23 01:04:04,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2018-11-23 01:04:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-11-23 01:04:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 362 transitions. [2018-11-23 01:04:04,472 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 362 transitions. Word has length 56 [2018-11-23 01:04:04,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:04,472 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 362 transitions. [2018-11-23 01:04:04,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:04:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 362 transitions. [2018-11-23 01:04:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 01:04:04,474 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:04,475 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:04,475 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:04,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:04,475 INFO L82 PathProgramCache]: Analyzing trace with hash 77319119, now seen corresponding path program 1 times [2018-11-23 01:04:04,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:04,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:04,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:04,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:04,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:04,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:04,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:04:04,563 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:04,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:04:04,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:04:04,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:04:04,564 INFO L87 Difference]: Start difference. First operand 299 states and 362 transitions. Second operand 6 states. [2018-11-23 01:04:04,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:04,715 INFO L93 Difference]: Finished difference Result 823 states and 1020 transitions. [2018-11-23 01:04:04,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:04:04,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 01:04:04,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:04,719 INFO L225 Difference]: With dead ends: 823 [2018-11-23 01:04:04,720 INFO L226 Difference]: Without dead ends: 552 [2018-11-23 01:04:04,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:04:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-11-23 01:04:04,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 546. [2018-11-23 01:04:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-11-23 01:04:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 664 transitions. [2018-11-23 01:04:04,762 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 664 transitions. Word has length 62 [2018-11-23 01:04:04,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:04,763 INFO L480 AbstractCegarLoop]: Abstraction has 546 states and 664 transitions. [2018-11-23 01:04:04,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:04:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 664 transitions. [2018-11-23 01:04:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 01:04:04,765 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:04,765 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:04,766 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:04,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:04,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1043357355, now seen corresponding path program 1 times [2018-11-23 01:04:04,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:04,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:04,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:04,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:04,767 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:04,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:04,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:04:04,854 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:04,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:04:04,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:04:04,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:04:04,855 INFO L87 Difference]: Start difference. First operand 546 states and 664 transitions. Second operand 7 states. [2018-11-23 01:04:05,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:05,269 INFO L93 Difference]: Finished difference Result 1389 states and 1810 transitions. [2018-11-23 01:04:05,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:04:05,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 01:04:05,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:05,274 INFO L225 Difference]: With dead ends: 1389 [2018-11-23 01:04:05,274 INFO L226 Difference]: Without dead ends: 871 [2018-11-23 01:04:05,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:04:05,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-11-23 01:04:05,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 775. [2018-11-23 01:04:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-11-23 01:04:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-11-23 01:04:05,317 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 66 [2018-11-23 01:04:05,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:05,318 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-11-23 01:04:05,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:04:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-11-23 01:04:05,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:04:05,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:05,320 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:05,320 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:05,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:05,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1726608816, now seen corresponding path program 1 times [2018-11-23 01:04:05,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:05,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:05,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:05,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:05,322 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:04:05,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:05,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:04:05,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:05,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:04:05,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:04:05,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:04:05,386 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 6 states. [2018-11-23 01:04:05,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:05,434 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-11-23 01:04:05,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:04:05,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 01:04:05,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:05,437 INFO L225 Difference]: With dead ends: 1550 [2018-11-23 01:04:05,437 INFO L226 Difference]: Without dead ends: 803 [2018-11-23 01:04:05,439 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:04:05,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-11-23 01:04:05,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 795. [2018-11-23 01:04:05,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-11-23 01:04:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 959 transitions. [2018-11-23 01:04:05,465 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 959 transitions. Word has length 103 [2018-11-23 01:04:05,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:05,465 INFO L480 AbstractCegarLoop]: Abstraction has 795 states and 959 transitions. [2018-11-23 01:04:05,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:04:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 959 transitions. [2018-11-23 01:04:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:04:05,467 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:05,468 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:05,468 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:05,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:05,468 INFO L82 PathProgramCache]: Analyzing trace with hash 201663886, now seen corresponding path program 1 times [2018-11-23 01:04:05,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:05,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:05,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:05,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:05,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:04:05,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:05,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 01:04:05,548 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:05,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:04:05,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:04:05,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:04:05,548 INFO L87 Difference]: Start difference. First operand 795 states and 959 transitions. Second operand 8 states. [2018-11-23 01:04:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:05,582 INFO L93 Difference]: Finished difference Result 1590 states and 1978 transitions. [2018-11-23 01:04:05,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:04:05,583 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-23 01:04:05,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:05,585 INFO L225 Difference]: With dead ends: 1590 [2018-11-23 01:04:05,585 INFO L226 Difference]: Without dead ends: 823 [2018-11-23 01:04:05,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:04:05,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-11-23 01:04:05,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 811. [2018-11-23 01:04:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-23 01:04:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 975 transitions. [2018-11-23 01:04:05,611 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 975 transitions. Word has length 103 [2018-11-23 01:04:05,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:05,611 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 975 transitions. [2018-11-23 01:04:05,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:04:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 975 transitions. [2018-11-23 01:04:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:04:05,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:05,613 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:05,614 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:05,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:05,614 INFO L82 PathProgramCache]: Analyzing trace with hash -38876243, now seen corresponding path program 1 times [2018-11-23 01:04:05,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:05,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:05,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:05,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:05,615 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:04:05,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:05,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:04:05,682 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:05,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:04:05,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:04:05,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:04:05,682 INFO L87 Difference]: Start difference. First operand 811 states and 975 transitions. Second operand 4 states. [2018-11-23 01:04:05,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:05,829 INFO L93 Difference]: Finished difference Result 2557 states and 3226 transitions. [2018-11-23 01:04:05,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:04:05,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 01:04:05,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:05,835 INFO L225 Difference]: With dead ends: 2557 [2018-11-23 01:04:05,835 INFO L226 Difference]: Without dead ends: 1774 [2018-11-23 01:04:05,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:04:05,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2018-11-23 01:04:05,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1743. [2018-11-23 01:04:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2018-11-23 01:04:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2151 transitions. [2018-11-23 01:04:05,895 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2151 transitions. Word has length 103 [2018-11-23 01:04:05,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:05,895 INFO L480 AbstractCegarLoop]: Abstraction has 1743 states and 2151 transitions. [2018-11-23 01:04:05,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:04:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2151 transitions. [2018-11-23 01:04:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 01:04:05,898 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:05,898 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:05,898 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:05,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:05,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1131627277, now seen corresponding path program 1 times [2018-11-23 01:04:05,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:05,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:05,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:05,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:05,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:04:05,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:05,997 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:04:05,998 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-11-23 01:04:05,999 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [54], [55], [56], [71], [74], [76], [85], [89], [93], [96], [101], [104], [109], [112], [128], [129], [132], [134], [137], [139], [142], [145], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [223], [227], [241], [245], [248], [250], [253], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [288], [289], [290], [292], [293], [300], [301], [302], [303], [304], [305], [308], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [330], [331], [332], [334], [335], [336], [338], [339], [340], [341] [2018-11-23 01:04:06,025 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:04:06,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:04:06,392 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:04:06,393 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 2759 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2759 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-23 01:04:06,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:06,406 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:04:06,617 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 96.69% of their original sizes. [2018-11-23 01:04:06,617 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:04:06,733 INFO L415 sIntCurrentIteration]: We unified 106 AI predicates to 106 [2018-11-23 01:04:06,733 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:04:06,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:04:06,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-11-23 01:04:06,734 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:06,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 01:04:06,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 01:04:06,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:04:06,735 INFO L87 Difference]: Start difference. First operand 1743 states and 2151 transitions. Second operand 19 states. [2018-11-23 01:04:12,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:12,782 INFO L93 Difference]: Finished difference Result 4336 states and 5367 transitions. [2018-11-23 01:04:12,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-23 01:04:12,782 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-23 01:04:12,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:12,793 INFO L225 Difference]: With dead ends: 4336 [2018-11-23 01:04:12,793 INFO L226 Difference]: Without dead ends: 2621 [2018-11-23 01:04:12,798 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 01:04:12,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2018-11-23 01:04:12,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2606. [2018-11-23 01:04:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2606 states. [2018-11-23 01:04:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2606 states and 3143 transitions. [2018-11-23 01:04:12,921 INFO L78 Accepts]: Start accepts. Automaton has 2606 states and 3143 transitions. Word has length 107 [2018-11-23 01:04:12,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:12,921 INFO L480 AbstractCegarLoop]: Abstraction has 2606 states and 3143 transitions. [2018-11-23 01:04:12,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 01:04:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3143 transitions. [2018-11-23 01:04:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 01:04:12,927 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:12,928 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:12,928 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:12,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:12,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1217542778, now seen corresponding path program 1 times [2018-11-23 01:04:12,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:12,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:12,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:12,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:12,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 01:04:13,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:13,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:04:13,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:13,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:04:13,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:04:13,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:04:13,007 INFO L87 Difference]: Start difference. First operand 2606 states and 3143 transitions. Second operand 4 states. [2018-11-23 01:04:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:13,242 INFO L93 Difference]: Finished difference Result 3041 states and 3672 transitions. [2018-11-23 01:04:13,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:04:13,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2018-11-23 01:04:13,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:13,246 INFO L225 Difference]: With dead ends: 3041 [2018-11-23 01:04:13,246 INFO L226 Difference]: Without dead ends: 1174 [2018-11-23 01:04:13,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:04:13,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2018-11-23 01:04:13,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1174. [2018-11-23 01:04:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2018-11-23 01:04:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1376 transitions. [2018-11-23 01:04:13,280 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1376 transitions. Word has length 167 [2018-11-23 01:04:13,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:13,281 INFO L480 AbstractCegarLoop]: Abstraction has 1174 states and 1376 transitions. [2018-11-23 01:04:13,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:04:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1376 transitions. [2018-11-23 01:04:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 01:04:13,283 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:13,283 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:13,283 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:13,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:13,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1843334848, now seen corresponding path program 1 times [2018-11-23 01:04:13,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:13,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:13,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:13,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:13,285 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 01:04:13,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:04:13,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:04:13,337 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:13,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:04:13,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:04:13,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:04:13,338 INFO L87 Difference]: Start difference. First operand 1174 states and 1376 transitions. Second operand 3 states. [2018-11-23 01:04:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:13,378 INFO L93 Difference]: Finished difference Result 1651 states and 1996 transitions. [2018-11-23 01:04:13,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:04:13,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-23 01:04:13,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:13,382 INFO L225 Difference]: With dead ends: 1651 [2018-11-23 01:04:13,383 INFO L226 Difference]: Without dead ends: 1648 [2018-11-23 01:04:13,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:04:13,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2018-11-23 01:04:13,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1597. [2018-11-23 01:04:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1597 states. [2018-11-23 01:04:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 1932 transitions. [2018-11-23 01:04:13,426 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 1932 transitions. Word has length 160 [2018-11-23 01:04:13,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:13,427 INFO L480 AbstractCegarLoop]: Abstraction has 1597 states and 1932 transitions. [2018-11-23 01:04:13,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:04:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1932 transitions. [2018-11-23 01:04:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 01:04:13,431 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:13,431 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:13,431 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:13,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:13,432 INFO L82 PathProgramCache]: Analyzing trace with hash -634582029, now seen corresponding path program 1 times [2018-11-23 01:04:13,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:13,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:13,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:13,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:13,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 01:04:13,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:13,510 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:04:13,510 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-23 01:04:13,510 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [220], [223], [227], [233], [236], [238], [240], [241], [245], [248], [250], [253], [260], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345] [2018-11-23 01:04:13,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:04:13,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:04:15,373 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:04:15,373 INFO L272 AbstractInterpreter]: Visited 139 different actions 1392 times. Merged at 22 different actions 139 times. Widened at 1 different actions 1 times. Performed 45584 root evaluator evaluations with a maximum evaluation depth of 5. Performed 45584 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 45 fixpoints after 8 different actions. Largest state had 134 variables. [2018-11-23 01:04:15,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:15,383 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:04:15,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:15,383 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/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 [2018-11-23 01:04:15,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:15,393 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:04:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:15,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:04:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 103 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:04:15,615 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:04:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 01:04:15,924 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:04:15,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2018-11-23 01:04:15,924 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:04:15,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:04:15,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:04:15,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:04:15,925 INFO L87 Difference]: Start difference. First operand 1597 states and 1932 transitions. Second operand 8 states. [2018-11-23 01:04:16,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:16,466 INFO L93 Difference]: Finished difference Result 3405 states and 4450 transitions. [2018-11-23 01:04:16,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 01:04:16,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 220 [2018-11-23 01:04:16,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:16,473 INFO L225 Difference]: With dead ends: 3405 [2018-11-23 01:04:16,473 INFO L226 Difference]: Without dead ends: 2232 [2018-11-23 01:04:16,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:04:16,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2018-11-23 01:04:16,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 2017. [2018-11-23 01:04:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2017 states. [2018-11-23 01:04:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2444 transitions. [2018-11-23 01:04:16,549 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2444 transitions. Word has length 220 [2018-11-23 01:04:16,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:16,549 INFO L480 AbstractCegarLoop]: Abstraction has 2017 states and 2444 transitions. [2018-11-23 01:04:16,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:04:16,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2444 transitions. [2018-11-23 01:04:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 01:04:16,554 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:16,554 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:16,554 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:16,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:16,554 INFO L82 PathProgramCache]: Analyzing trace with hash 525940589, now seen corresponding path program 1 times [2018-11-23 01:04:16,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:16,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:16,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:16,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:16,555 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 01:04:16,660 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:16,660 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:04:16,660 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-23 01:04:16,661 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [220], [223], [227], [233], [236], [240], [241], [245], [248], [250], [253], [260], [263], [266], [268], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345] [2018-11-23 01:04:16,663 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:04:16,664 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:04:18,264 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:04:18,264 INFO L272 AbstractInterpreter]: Visited 139 different actions 1328 times. Merged at 23 different actions 125 times. Never widened. Performed 43273 root evaluator evaluations with a maximum evaluation depth of 5. Performed 43273 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 37 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-23 01:04:18,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:18,266 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:04:18,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:18,266 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/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 [2018-11-23 01:04:18,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:18,275 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:04:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:18,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:04:18,534 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 01:04:18,534 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:04:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 42 proven. 7 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 01:04:18,896 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:04:18,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 19 [2018-11-23 01:04:18,896 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:04:18,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 01:04:18,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 01:04:18,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:04:18,898 INFO L87 Difference]: Start difference. First operand 2017 states and 2444 transitions. Second operand 14 states. [2018-11-23 01:04:20,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:20,307 INFO L93 Difference]: Finished difference Result 4556 states and 6372 transitions. [2018-11-23 01:04:20,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 01:04:20,308 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 224 [2018-11-23 01:04:20,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:20,323 INFO L225 Difference]: With dead ends: 4556 [2018-11-23 01:04:20,323 INFO L226 Difference]: Without dead ends: 3209 [2018-11-23 01:04:20,329 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 441 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=299, Invalid=757, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 01:04:20,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2018-11-23 01:04:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 2636. [2018-11-23 01:04:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2636 states. [2018-11-23 01:04:20,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3220 transitions. [2018-11-23 01:04:20,483 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3220 transitions. Word has length 224 [2018-11-23 01:04:20,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:20,484 INFO L480 AbstractCegarLoop]: Abstraction has 2636 states and 3220 transitions. [2018-11-23 01:04:20,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 01:04:20,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3220 transitions. [2018-11-23 01:04:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 01:04:20,492 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:20,492 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:20,492 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:20,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:20,492 INFO L82 PathProgramCache]: Analyzing trace with hash 270681077, now seen corresponding path program 1 times [2018-11-23 01:04:20,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:20,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:20,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:20,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:20,493 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 01:04:20,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:20,620 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:04:20,620 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-23 01:04:20,621 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [36], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [220], [223], [227], [233], [236], [238], [240], [241], [245], [248], [250], [253], [260], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345] [2018-11-23 01:04:20,623 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:04:20,623 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:04:22,405 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:04:22,405 INFO L272 AbstractInterpreter]: Visited 140 different actions 1255 times. Merged at 25 different actions 140 times. Widened at 1 different actions 1 times. Performed 39790 root evaluator evaluations with a maximum evaluation depth of 5. Performed 39790 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 43 fixpoints after 9 different actions. Largest state had 134 variables. [2018-11-23 01:04:22,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:22,418 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:04:22,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:22,418 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:04:22,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:22,432 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:04:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:22,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:04:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 01:04:22,567 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:04:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 01:04:22,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:04:22,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-23 01:04:22,771 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:22,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:04:22,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:04:22,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:04:22,772 INFO L87 Difference]: Start difference. First operand 2636 states and 3220 transitions. Second operand 6 states. [2018-11-23 01:04:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:22,849 INFO L93 Difference]: Finished difference Result 4304 states and 5310 transitions. [2018-11-23 01:04:22,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:04:22,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 220 [2018-11-23 01:04:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:22,857 INFO L225 Difference]: With dead ends: 4304 [2018-11-23 01:04:22,857 INFO L226 Difference]: Without dead ends: 2506 [2018-11-23 01:04:22,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 435 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 01:04:22,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2018-11-23 01:04:22,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2497. [2018-11-23 01:04:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2497 states. [2018-11-23 01:04:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 2962 transitions. [2018-11-23 01:04:22,939 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 2962 transitions. Word has length 220 [2018-11-23 01:04:22,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:22,939 INFO L480 AbstractCegarLoop]: Abstraction has 2497 states and 2962 transitions. [2018-11-23 01:04:22,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:04:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2962 transitions. [2018-11-23 01:04:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 01:04:22,944 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:22,944 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:22,944 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:22,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:22,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1154190067, now seen corresponding path program 2 times [2018-11-23 01:04:22,945 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:22,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:22,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:22,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:22,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 01:04:23,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:23,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:04:23,058 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 01:04:23,058 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 01:04:23,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:23,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:04:23,067 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 01:04:23,067 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 01:04:23,167 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-23 01:04:23,167 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:04:23,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:04:23,237 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 87 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:04:23,238 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:04:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 42 proven. 23 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 01:04:23,521 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:04:23,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 17 [2018-11-23 01:04:23,521 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:04:23,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 01:04:23,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 01:04:23,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-23 01:04:23,522 INFO L87 Difference]: Start difference. First operand 2497 states and 2962 transitions. Second operand 13 states. [2018-11-23 01:04:24,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:24,247 INFO L93 Difference]: Finished difference Result 3396 states and 4029 transitions. [2018-11-23 01:04:24,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 01:04:24,248 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2018-11-23 01:04:24,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:24,251 INFO L225 Difference]: With dead ends: 3396 [2018-11-23 01:04:24,251 INFO L226 Difference]: Without dead ends: 1398 [2018-11-23 01:04:24,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 439 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2018-11-23 01:04:24,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2018-11-23 01:04:24,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1247. [2018-11-23 01:04:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1247 states. [2018-11-23 01:04:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1372 transitions. [2018-11-23 01:04:24,294 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1372 transitions. Word has length 220 [2018-11-23 01:04:24,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:24,295 INFO L480 AbstractCegarLoop]: Abstraction has 1247 states and 1372 transitions. [2018-11-23 01:04:24,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 01:04:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1372 transitions. [2018-11-23 01:04:24,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-23 01:04:24,299 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:24,299 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:24,300 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:24,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:24,300 INFO L82 PathProgramCache]: Analyzing trace with hash 342740873, now seen corresponding path program 1 times [2018-11-23 01:04:24,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:24,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:24,301 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:04:24,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:24,301 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2018-11-23 01:04:24,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:24,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:04:24,403 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 289 with the following transitions: [2018-11-23 01:04:24,404 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [53], [54], [55], [56], [71], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [177], [179], [181], [182], [185], [187], [189], [216], [217], [223], [227], [233], [241], [245], [248], [250], [253], [256], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [288], [289], [290], [292], [293], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [342], [343] [2018-11-23 01:04:24,405 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:04:24,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:04:26,411 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:04:26,411 INFO L272 AbstractInterpreter]: Visited 120 different actions 1347 times. Merged at 37 different actions 321 times. Widened at 1 different actions 2 times. Performed 53872 root evaluator evaluations with a maximum evaluation depth of 3. Performed 53872 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 67 fixpoints after 8 different actions. Largest state had 134 variables. [2018-11-23 01:04:26,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:26,412 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:04:26,412 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:26,412 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:04:26,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:26,419 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:04:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:26,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:04:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-23 01:04:26,559 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:04:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2018-11-23 01:04:26,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:04:26,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 7] total 19 [2018-11-23 01:04:26,858 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:04:26,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:04:26,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:04:26,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:04:26,858 INFO L87 Difference]: Start difference. First operand 1247 states and 1372 transitions. Second operand 6 states. [2018-11-23 01:04:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:27,012 INFO L93 Difference]: Finished difference Result 2405 states and 2676 transitions. [2018-11-23 01:04:27,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:04:27,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 288 [2018-11-23 01:04:27,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:27,015 INFO L225 Difference]: With dead ends: 2405 [2018-11-23 01:04:27,015 INFO L226 Difference]: Without dead ends: 1245 [2018-11-23 01:04:27,017 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 565 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:04:27,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2018-11-23 01:04:27,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1221. [2018-11-23 01:04:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2018-11-23 01:04:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1322 transitions. [2018-11-23 01:04:27,054 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1322 transitions. Word has length 288 [2018-11-23 01:04:27,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:27,054 INFO L480 AbstractCegarLoop]: Abstraction has 1221 states and 1322 transitions. [2018-11-23 01:04:27,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:04:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1322 transitions. [2018-11-23 01:04:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 01:04:27,057 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:04:27,057 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:04:27,058 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:04:27,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:27,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1122417873, now seen corresponding path program 1 times [2018-11-23 01:04:27,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:04:27,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:27,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:27,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:04:27,059 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:04:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 50 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-23 01:04:27,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:27,139 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:04:27,139 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-23 01:04:27,139 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [54], [55], [56], [71], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [132], [134], [137], [139], [142], [145], [148], [154], [156], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [187], [189], [216], [217], [223], [227], [233], [241], [245], [248], [250], [253], [263], [266], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [288], [289], [290], [292], [293], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341] [2018-11-23 01:04:27,140 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:04:27,140 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:04:28,117 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:04:28,117 INFO L272 AbstractInterpreter]: Visited 113 different actions 712 times. Merged at 17 different actions 88 times. Never widened. Performed 28100 root evaluator evaluations with a maximum evaluation depth of 3. Performed 28100 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 19 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 01:04:28,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:28,119 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:04:28,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:04:28,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:04:28,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:04:28,126 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:04:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:28,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:04:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 158 proven. 23 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 01:04:28,234 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:04:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 50 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-23 01:04:28,410 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:04:28,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-23 01:04:28,411 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:04:28,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 01:04:28,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 01:04:28,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:04:28,411 INFO L87 Difference]: Start difference. First operand 1221 states and 1322 transitions. Second operand 12 states. [2018-11-23 01:04:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:04:28,817 INFO L93 Difference]: Finished difference Result 1858 states and 2047 transitions. [2018-11-23 01:04:28,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:04:28,818 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2018-11-23 01:04:28,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:04:28,819 INFO L225 Difference]: With dead ends: 1858 [2018-11-23 01:04:28,819 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:04:28,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 491 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:04:28,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:04:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:04:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:04:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:04:28,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2018-11-23 01:04:28,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:04:28,822 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:04:28,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 01:04:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:04:28,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:04:28,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:04:28,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:28,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:04:29,958 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 41 [2018-11-23 01:04:30,160 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2018-11-23 01:04:30,328 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2018-11-23 01:04:30,857 WARN L180 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2018-11-23 01:04:31,153 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2018-11-23 01:04:31,329 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 40 [2018-11-23 01:04:31,657 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 67 [2018-11-23 01:04:31,824 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 47 [2018-11-23 01:04:32,023 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2018-11-23 01:04:32,249 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 54 [2018-11-23 01:04:32,562 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 55 [2018-11-23 01:04:32,807 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 50 [2018-11-23 01:04:33,266 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 52 [2018-11-23 01:04:33,901 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2018-11-23 01:04:34,017 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2018-11-23 01:04:34,254 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-11-23 01:04:34,420 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2018-11-23 01:04:34,547 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2018-11-23 01:04:34,658 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 23 [2018-11-23 01:04:34,820 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 40 [2018-11-23 01:04:34,823 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 518 524) the Hoare annotation is: true [2018-11-23 01:04:34,823 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 518 524) no Hoare annotation was computed. [2018-11-23 01:04:34,823 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 525 533) no Hoare annotation was computed. [2018-11-23 01:04:34,823 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 525 533) the Hoare annotation is: true [2018-11-23 01:04:34,823 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 525 533) no Hoare annotation was computed. [2018-11-23 01:04:34,823 INFO L444 ceAbstractionStarter]: At program point L482-1(line 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,823 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 476 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,823 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 476 498) no Hoare annotation was computed. [2018-11-23 01:04:34,823 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 476 498) no Hoare annotation was computed. [2018-11-23 01:04:34,824 INFO L444 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,824 INFO L444 ceAbstractionStarter]: At program point L488-1(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,824 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 493) no Hoare annotation was computed. [2018-11-23 01:04:34,824 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 486 493) no Hoare annotation was computed. [2018-11-23 01:04:34,824 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 01:04:34,824 INFO L444 ceAbstractionStarter]: At program point L483(line 483) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,824 INFO L444 ceAbstractionStarter]: At program point L482(line 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,824 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2018-11-23 01:04:34,824 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)))) [2018-11-23 01:04:34,824 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-23 01:04:34,824 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not .cse2) .cse3) (or .cse2 .cse3 (and (not .cse0) .cse1)) (or (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 01:04:34,824 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L451 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 511 517) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 511 517) the Hoare annotation is: true [2018-11-23 01:04:34,825 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 462 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 462 472) no Hoare annotation was computed. [2018-11-23 01:04:34,825 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 462 472) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L444 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,826 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2018-11-23 01:04:34,826 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L451 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2018-11-23 01:04:34,826 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:04:34,826 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 981 994) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 981 994) the Hoare annotation is: true [2018-11-23 01:04:34,826 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 981 994) no Hoare annotation was computed. [2018-11-23 01:04:34,826 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse2 .cse9) (or .cse1 .cse2 .cse3 .cse4 .cse9) (or .cse1 .cse2 .cse4 .cse9 (not (= ~waterLevel~0 2))) (or .cse0 (or .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse4)) (or .cse0 .cse5 .cse6 .cse7 .cse2 .cse8))) [2018-11-23 01:04:34,827 INFO L448 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-11-23 01:04:34,827 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 143) no Hoare annotation was computed. [2018-11-23 01:04:34,827 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 122 146) no Hoare annotation was computed. [2018-11-23 01:04:34,827 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 122 146) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse4 (not (= ~waterLevel~0 1)) .cse7 .cse5) (or .cse8 .cse0 .cse6 .cse1 .cse4 .cse7 .cse3) (or .cse8 (or .cse6 .cse9 .cse10 .cse4 .cse7) .cse3) (or (or .cse6 .cse9 .cse10 .cse4 .cse7 .cse5) .cse3) (or .cse8 .cse0 .cse1 .cse2 .cse4 .cse3))) [2018-11-23 01:04:34,827 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 (not (= ~waterLevel~0 1)) .cse7 .cse4) (or .cse8 .cse0 .cse6 .cse1 .cse3 .cse7 .cse5) (or .cse8 (or .cse6 .cse9 .cse10 .cse3 .cse7) .cse5) (or (or .cse6 .cse9 .cse10 .cse3 .cse7 .cse4) .cse5) (or .cse8 .cse0 .cse1 .cse2 .cse3))) [2018-11-23 01:04:34,827 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 122 146) no Hoare annotation was computed. [2018-11-23 01:04:34,827 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse5 (not (= ~waterLevel~0 2))) (or .cse6 .cse7 .cse8 .cse2 .cse5) (or .cse0 (or .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse4)) (or .cse0 .cse6 .cse7 .cse8 .cse2))) [2018-11-23 01:04:34,827 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (<= 1 processEnvironment_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse5 (not (= ~waterLevel~0 2))) (or .cse0 (or .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse4)) (or .cse6 .cse7 .cse8 .cse2 .cse5 .cse9) (or .cse9 .cse0 .cse6 .cse7 .cse8 .cse2))) [2018-11-23 01:04:34,827 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 138) no Hoare annotation was computed. [2018-11-23 01:04:34,828 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 88 94) no Hoare annotation was computed. [2018-11-23 01:04:34,828 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 88 94) the Hoare annotation is: true [2018-11-23 01:04:34,828 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 294 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,828 INFO L444 ceAbstractionStarter]: At program point L349(lines 304 351) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~systemActive~0 1)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~systemActive~0 0) .cse6 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse4 .cse5 .cse7) (not (= |old(~systemActive~0)| 1)) (and (and .cse6 (<= ~waterLevel~0 1) .cse4 .cse5 .cse7) .cse2 .cse8) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and .cse9 .cse6 .cse4 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse5 .cse7) .cse8) (not (= 0 |old(~pumpRunning~0)|)) (and .cse9 .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 01:04:34,828 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse10 (<= 1 ~waterLevel~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse8 .cse4 .cse5 .cse6) (and (= ~systemActive~0 0) .cse0 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse0 .cse9 .cse10 .cse4 .cse5 .cse6) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (and .cse0 .cse9 .cse4 .cse5 .cse6) .cse10) (and .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (and .cse7 .cse1 .cse0 .cse2 .cse4 .cse5 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 01:04:34,828 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-11-23 01:04:34,828 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 314 320) no Hoare annotation was computed. [2018-11-23 01:04:34,828 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 294 359) no Hoare annotation was computed. [2018-11-23 01:04:34,828 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 310) no Hoare annotation was computed. [2018-11-23 01:04:34,828 INFO L444 ceAbstractionStarter]: At program point L352(lines 303 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:04:34,829 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) .cse0))) [2018-11-23 01:04:34,829 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-11-23 01:04:34,829 INFO L444 ceAbstractionStarter]: At program point L340-1(lines 334 347) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse8 (= ~pumpRunning~0 1)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse9 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse1 .cse2 .cse8 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (and (= ~systemActive~0 0) .cse0 .cse5) (and (and .cse0 (<= ~waterLevel~0 1) .cse4 .cse5 .cse6) .cse3 .cse9) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and .cse7 .cse0 .cse4 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse5 .cse6) .cse9) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 01:04:34,829 INFO L448 ceAbstractionStarter]: For program point L305(lines 304 351) no Hoare annotation was computed. [2018-11-23 01:04:34,829 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 347) no Hoare annotation was computed. [2018-11-23 01:04:34,829 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~systemActive~0 1)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~systemActive~0 0) .cse6 .cse5) (not (= |old(~systemActive~0)| 1)) (and (and .cse6 (<= ~waterLevel~0 1) .cse4 .cse5 .cse7) .cse2 .cse8) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and .cse9 .cse6 .cse4 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse5 .cse7) .cse8) (and .cse6 .cse0 .cse1 .cse2 .cse4 .cse5 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (and .cse9 .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 01:04:34,829 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 330) no Hoare annotation was computed. [2018-11-23 01:04:34,829 INFO L448 ceAbstractionStarter]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2018-11-23 01:04:34,829 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 294 359) no Hoare annotation was computed. [2018-11-23 01:04:34,829 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 147 154) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse4 .cse5) (or (< ~methaneLevelCritical~0 1) .cse2 .cse1 .cse4 .cse3 .cse5 .cse0))) [2018-11-23 01:04:34,829 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 147 154) no Hoare annotation was computed. [2018-11-23 01:04:34,829 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 147 154) no Hoare annotation was computed. [2018-11-23 01:04:34,830 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 995 1003) no Hoare annotation was computed. [2018-11-23 01:04:34,830 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 995 1003) the Hoare annotation is: true [2018-11-23 01:04:34,830 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 995 1003) no Hoare annotation was computed. [2018-11-23 01:04:34,830 INFO L444 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (< ~waterLevel~0 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse6 .cse4 .cse5) (or (or .cse4 .cse7) .cse2 .cse3 .cse6) (or .cse1 .cse4 .cse5 .cse7 (not (= ~waterLevel~0 2))) (or .cse8 (or .cse1 .cse4 .cse7) .cse9) (or .cse1 (not (= ~systemActive~0 0))) (or .cse0 .cse8 .cse9 (or .cse1 .cse4)))) [2018-11-23 01:04:34,830 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2018-11-23 01:04:34,830 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2018-11-23 01:04:34,830 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2)) (.cse10 (not (= 1 ~pumpRunning~0))) (.cse12 (< 1 ~waterLevel~0)) (.cse4 (<= ~methaneLevelCritical~0 __utac_acc__Specification2_spec__2_~tmp~6)) (.cse13 (< ~waterLevel~0 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 0))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse14 (= 0 ~methAndRunningLastTime~0)) (.cse8 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse7 .cse8 .cse3) (or (or .cse8 .cse9) .cse6 .cse7 .cse10) (or .cse1 .cse8 .cse3 .cse9 .cse11) (or .cse12 (or .cse1 .cse8 .cse9) .cse13) (or .cse5 (and .cse4 .cse14) .cse6 .cse7 .cse10 .cse8 .cse3) (or .cse5 .cse12 .cse4 .cse13 (or .cse1 .cse8)) (or .cse5 .cse1 .cse14 .cse8 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse2 .cse9) (or .cse0 .cse1 .cse14 .cse8 .cse3 .cse11))) [2018-11-23 01:04:34,830 INFO L448 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-11-23 01:04:34,830 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-23 01:04:34,830 INFO L448 ceAbstractionStarter]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2018-11-23 01:04:34,831 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~systemActive~0 0)) (= ~methAndRunningLastTime~0 0) .cse1) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse7 .cse0 .cse5 .cse4 .cse8 .cse1) (or .cse7 .cse0 .cse2 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse0 .cse4 .cse8 .cse1 .cse6) (or .cse5 .cse7 .cse2 .cse3 (not (= 1 ~pumpRunning~0)) .cse4 .cse1))) [2018-11-23 01:04:34,831 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-23 01:04:34,831 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~systemActive~0 0)) (= ~methAndRunningLastTime~0 0) .cse1) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse7 .cse0 .cse5 .cse4 .cse8 .cse1) (or .cse7 .cse0 .cse2 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse0 .cse4 .cse8 .cse1 .cse6) (or .cse5 .cse7 .cse2 .cse3 (not (= 1 ~pumpRunning~0)) .cse4 .cse1))) [2018-11-23 01:04:34,831 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2018-11-23 01:04:34,831 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 01:04:34,831 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2018-11-23 01:04:34,831 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2018-11-23 01:04:34,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:04:34,831 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 01:04:34,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:04:34,831 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse5 .cse4))) [2018-11-23 01:04:34,831 INFO L448 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-23 01:04:34,831 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 156 172) no Hoare annotation was computed. [2018-11-23 01:04:34,832 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 156 172) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse5 .cse4))) [2018-11-23 01:04:34,832 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2 .cse4))) [2018-11-23 01:04:34,832 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 156 172) no Hoare annotation was computed. [2018-11-23 01:04:34,832 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2018-11-23 01:04:34,832 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2018-11-23 01:04:34,832 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2018-11-23 01:04:34,832 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2018-11-23 01:04:34,832 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2018-11-23 01:04:34,832 INFO L451 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-11-23 01:04:34,832 INFO L448 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2018-11-23 01:04:34,832 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-23 01:04:34,832 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 928 939) the Hoare annotation is: (let ((.cse7 (not (= 1 ~pumpRunning~0))) (.cse10 (not (= ~waterLevel~0 2))) (.cse12 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse11 (not (= ~systemActive~0 0))) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse1 (< |old(~methaneLevelCritical~0)| 1)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse9 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)) .cse4)) (or .cse5 .cse6 .cse7 .cse3 .cse8 .cse4 .cse9) (or (= ~methaneLevelCritical~0 0) (or .cse2 .cse3 .cse4 .cse9 .cse10)) (or .cse2 .cse11 .cse8 .cse9) (or .cse1 .cse5 .cse6 .cse7 .cse3 .cse0) (or .cse12 .cse2 .cse13 .cse3 .cse4 .cse10) (or .cse12 .cse2 .cse11 .cse13 .cse4) (or (or .cse1 .cse2 .cse5 .cse6 .cse3 .cse4) .cse0) (or (< 1 ~waterLevel~0) .cse2 .cse8 (< ~waterLevel~0 1) .cse3 .cse4 .cse9))) [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 928 939) no Hoare annotation was computed. [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 928 939) no Hoare annotation was computed. [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 401 430) no Hoare annotation was computed. [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2018-11-23 01:04:34,833 INFO L451 ceAbstractionStarter]: At program point L415-1(lines 415 419) the Hoare annotation is: true [2018-11-23 01:04:34,833 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 401 430) the Hoare annotation is: true [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-11-23 01:04:34,833 INFO L451 ceAbstractionStarter]: At program point L411-2(lines 411 425) the Hoare annotation is: true [2018-11-23 01:04:34,833 INFO L451 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: true [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point L407-1(line 407) no Hoare annotation was computed. [2018-11-23 01:04:34,833 INFO L451 ceAbstractionStarter]: At program point L426(lines 401 430) the Hoare annotation is: true [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 01:04:34,833 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 940 948) the Hoare annotation is: true [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 940 948) no Hoare annotation was computed. [2018-11-23 01:04:34,833 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 940 948) no Hoare annotation was computed. [2018-11-23 01:04:34,834 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 64 87) the Hoare annotation is: (let ((.cse17 (= |old(~waterLevel~0)| 1)) (.cse18 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse10 (and .cse18 .cse14 .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse16 (not (= |old(~waterLevel~0)| 2))) (.cse12 (and .cse18 .cse0)) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse15 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse14 .cse0)) (.cse5 (not .cse17)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse4) (or .cse1 .cse2 .cse5 (= 1 ~waterLevel~0)) (or .cse6 (or .cse1 .cse7 .cse8 .cse9 .cse4) .cse10) (or .cse6 .cse7 .cse8 .cse11 .cse9 .cse12) (or (< 1 |old(~waterLevel~0)|) .cse1 .cse10 (< |old(~waterLevel~0)| 1) .cse9 .cse4 .cse13) (or .cse7 .cse8 .cse11 .cse9 .cse14 .cse4 .cse13) (or .cse15 (or .cse1 .cse9 .cse4 .cse13 .cse16)) (or .cse3 .cse1 .cse2 (= ~waterLevel~0 2) .cse4 .cse16) (or .cse7 .cse8 .cse11 .cse12 .cse9 .cse13) (or .cse6 .cse1 .cse15 .cse9 .cse5 .cse4) (or .cse14 .cse6 .cse7 .cse8 .cse11 .cse9 .cse4) (or (not (= ~waterLevel~0 1)) .cse17 .cse1 .cse2)))) [2018-11-23 01:04:34,834 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse13)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse11 .cse13)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse11 .cse13)) (.cse7 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 .cse8 .cse9 .cse10) (or .cse2 .cse3 .cse4 .cse5 .cse11 .cse9 .cse10) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse10) (or (or .cse7 .cse2 .cse3 .cse5 .cse9 .cse10) .cse12) (or .cse11 .cse1 .cse2 .cse3 .cse4 .cse5 .cse9) (or .cse1 .cse7 .cse6 .cse5 .cse8 .cse9) (or .cse1 (or .cse7 .cse2 .cse3 .cse5 .cse9) .cse12) (or .cse7 (not (= ~systemActive~0 0)))))) [2018-11-23 01:04:34,834 INFO L444 ceAbstractionStarter]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse15 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= |old(~waterLevel~0)| 1))) (let ((.cse11 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse12 (< ~methaneLevelCritical~0 1)) (.cse5 (not .cse18)) (.cse2 (not (= ~systemActive~0 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse14 (= ~pumpRunning~0 1)) (.cse13 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse15 .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse17 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse4) (or .cse1 .cse2 .cse5 (= 1 ~waterLevel~0)) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse11 .cse6 .cse7 .cse8 .cse9) (or .cse12 (< 1 |old(~waterLevel~0)|) .cse1 (and .cse13 .cse0) (< |old(~waterLevel~0)| 1) .cse9 .cse4) (or .cse12 (and .cse14 .cse13 .cse15) (or .cse1 .cse6 .cse7 .cse9 .cse4) .cse16) (or .cse16 .cse1 .cse9 .cse5 .cse4 .cse10) (or .cse3 .cse1 .cse2 (= ~waterLevel~0 2) .cse4 .cse17) (or .cse12 .cse1 .cse15 .cse9 .cse5 .cse4) (or (not (= ~waterLevel~0 1)) .cse18 .cse1 .cse2) (or (or .cse1 .cse9 .cse4 .cse10 .cse17) .cse16 (and .cse14 .cse13)) (or .cse16 (or .cse3 .cse1 .cse9 .cse4 .cse17))))) [2018-11-23 01:04:34,834 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 64 87) no Hoare annotation was computed. [2018-11-23 01:04:34,834 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 64 87) no Hoare annotation was computed. [2018-11-23 01:04:34,835 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 (< 1 |old(~waterLevel~0)|) .cse8 (< |old(~waterLevel~0)| 1) .cse3 .cse5) (or .cse7 (or .cse8 .cse0 .cse1 .cse3 .cse5)) (or .cse7 .cse9 .cse0 .cse1 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse3 .cse5 .cse6) (or .cse8 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6) (or .cse8 (not (= ~systemActive~0 0))) (or .cse7 .cse4 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse6 .cse9))) [2018-11-23 01:04:34,835 INFO L448 ceAbstractionStarter]: For program point L68(lines 67 86) no Hoare annotation was computed. [2018-11-23 01:04:34,835 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse4 (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-23 01:04:34,835 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-11-23 01:04:34,835 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-11-23 01:04:34,835 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 455 461) no Hoare annotation was computed. [2018-11-23 01:04:34,835 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 455 461) the Hoare annotation is: true [2018-11-23 01:04:34,835 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:04:34,835 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 01:04:34,835 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:04:34,835 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:04:34,835 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 96 120) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5 .cse4 .cse6) (or .cse0 (or .cse1 .cse7 .cse8 .cse3 .cse5) .cse2) (or (or .cse1 .cse7 .cse8 .cse3 .cse5 .cse6) .cse2))) [2018-11-23 01:04:34,835 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 96 120) no Hoare annotation was computed. [2018-11-23 01:04:34,836 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse4 (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse4 .cse5 .cse0 .cse6 .cse1 .cse2) (or .cse5 .cse0 .cse6 .cse1 .cse2 .cse3))) [2018-11-23 01:04:34,836 INFO L448 ceAbstractionStarter]: For program point L115-1(lines 96 120) no Hoare annotation was computed. [2018-11-23 01:04:34,836 INFO L444 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 (or .cse1 .cse6 .cse7 .cse3 .cse5)) (or .cse1 .cse3 .cse2 .cse4 .cse5 .cse8) (or (or .cse1 .cse6 .cse7 .cse3 .cse5 .cse8) .cse2))) [2018-11-23 01:04:34,836 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse8 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (< ~waterLevel~0 1)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5) .cse6) (or (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) .cse6) (or .cse0 .cse8 .cse1 .cse9 .cse4 .cse5) (or .cse8 .cse1 .cse9 .cse4 .cse5 .cse7))) [2018-11-23 01:04:34,836 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-11-23 01:04:34,836 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5 .cse4 .cse6) (or .cse0 (or .cse1 .cse7 .cse8 .cse3 .cse5) .cse2) (or (or .cse1 .cse7 .cse8 .cse3 .cse5 .cse6) .cse2))) [2018-11-23 01:04:34,836 INFO L448 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-11-23 01:04:34,836 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 117) no Hoare annotation was computed. [2018-11-23 01:04:34,836 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 916 927) no Hoare annotation was computed. [2018-11-23 01:04:34,836 INFO L448 ceAbstractionStarter]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2018-11-23 01:04:34,837 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 916 927) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse12 (not (= ~systemActive~0 1))) (.cse14 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse10 (or .cse2 .cse12 .cse14)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse11 (< |old(~waterLevel~0)| 1)) (.cse6 (or .cse2 .cse12)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse13 (not (= 1 ~pumpRunning~0))) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse1 .cse8) (or (or .cse9 .cse10 .cse11 .cse1) .cse8) (or .cse10 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse3) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse4 .cse8 .cse5 .cse12 .cse7 .cse13) (or .cse8 (or .cse4 .cse9 .cse11 .cse6 .cse1)) (or .cse5 .cse7 .cse13 (or .cse12 .cse14) .cse8 .cse1)))) [2018-11-23 01:04:34,837 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 01:04:34,837 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 01:04:34,837 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 01:04:34,837 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 01:04:34,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:04:34 BoogieIcfgContainer [2018-11-23 01:04:34,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:04:34,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:04:34,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:04:34,849 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:04:34,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:03" (3/4) ... [2018-11-23 01:04:34,852 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:04:34,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:04:34,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 01:04:34,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 01:04:34,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 01:04:34,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:04:34,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 01:04:34,865 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 01:04:34,866 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:04:34,866 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:04:34,867 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:04:34,867 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:04:34,867 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:04:34,868 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:04:34,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((2 <= waterLevel && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || ((((((2 <= waterLevel && 0 == pumpRunning) && waterLevel <= 2) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= methaneLevelCritical) && 1 <= waterLevel)) || !(\old(methAndRunningLastTime) == 0)) || ((((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && waterLevel <= \old(waterLevel) + 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || ((((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 01:04:34,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 01:04:34,931 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b1805d53-528b-4180-8257-8461adc49a54/bin-2019/utaipan/witness.graphml [2018-11-23 01:04:34,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:04:34,932 INFO L168 Benchmark]: Toolchain (without parser) took 32359.63 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 955.4 MB in the beginning and 1.6 GB in the end (delta: -633.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 01:04:34,932 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:04:34,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:04:34,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:04:34,933 INFO L168 Benchmark]: Boogie Preprocessor took 33.15 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. [2018-11-23 01:04:34,933 INFO L168 Benchmark]: RCFGBuilder took 494.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:04:34,933 INFO L168 Benchmark]: TraceAbstraction took 31342.76 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -514.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-23 01:04:34,933 INFO L168 Benchmark]: Witness Printer took 82.42 ms. Allocated memory is still 3.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 32.6 kB). Peak memory consumption was 32.6 kB. Max. memory is 11.5 GB. [2018-11-23 01:04:34,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.15 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 494.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31342.76 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -514.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 82.42 ms. Allocated memory is still 3.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 32.6 kB). Peak memory consumption was 32.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((((((((((((2 <= waterLevel && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || ((((((2 <= waterLevel && 0 == pumpRunning) && waterLevel <= 2) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= methaneLevelCritical) && 1 <= waterLevel)) || !(\old(methAndRunningLastTime) == 0)) || ((((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && waterLevel <= \old(waterLevel) + 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || ((((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 164 locations, 1 error locations. SAFE Result, 31.2s OverallTime, 17 OverallIterations, 6 TraceHistogramMax, 10.9s AutomataDifference, 0.0s DeadEndRemovalTime, 5.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 3615 SDtfs, 3673 SDslu, 9694 SDs, 0 SdLazy, 7043 SolverSat, 1507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 3149 GetRequests, 2937 SyntacticMatches, 25 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2636occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.6s AbstIntTime, 6 AbstIntIterations, 1 AbstIntStrong, 0.9969494282956289 AbsIntWeakeningRatio, 1.0377358490566038 AbsIntAvgWeakeningVarsNumRemoved, 84.27358490566037 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 1199 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 6702 PreInvPairs, 6918 NumberOfFragments, 4973 HoareAnnotationTreeSize, 6702 FomulaSimplifications, 21103 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 68 FomulaSimplificationsInter, 36291 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3866 NumberOfCodeBlocks, 3845 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 5255 ConstructedInterpolants, 0 QuantifiedInterpolants, 1567804 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6550 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 29 InterpolantComputations, 12 PerfectInterpolantSequences, 3008/3288 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...