./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_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_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/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 edf277e8e45bc51905c3746c53b47e5f504df38a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:50:30,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:50:30,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:50:30,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:50:30,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:50:30,044 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:50:30,045 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:50:30,046 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:50:30,048 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:50:30,048 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:50:30,049 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:50:30,049 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:50:30,050 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:50:30,051 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:50:30,051 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:50:30,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:50:30,052 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:50:30,054 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:50:30,055 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:50:30,056 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:50:30,057 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:50:30,058 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:50:30,060 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:50:30,060 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:50:30,060 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:50:30,061 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:50:30,061 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:50:30,062 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:50:30,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:50:30,063 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:50:30,064 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:50:30,064 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:50:30,064 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:50:30,064 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:50:30,065 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:50:30,066 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:50:30,066 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:50:30,077 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:50:30,077 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:50:30,077 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:50:30,078 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:50:30,078 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:50:30,078 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:50:30,078 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:50:30,078 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:50:30,078 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:50:30,079 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:50:30,079 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:50:30,079 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:50:30,079 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:50:30,080 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:50:30,080 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:50:30,080 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:50:30,080 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:50:30,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:50:30,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:50:30,081 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:50:30,081 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:50:30,081 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:50:30,081 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:50:30,081 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:50:30,081 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:50:30,082 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:50:30,082 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:50:30,082 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:50:30,082 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:50:30,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:50:30,082 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:50:30,083 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:50:30,083 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:50:30,083 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:50:30,083 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:50:30,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:50:30,083 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:50:30,084 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_bfe82ac5-117e-47d6-91a1-81df04048f34/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-11-23 03:50:30,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:50:30,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:50:30,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:50:30,119 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:50:30,119 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:50:30,120 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-23 03:50:30,157 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/data/71b42c428/bd44cbc1594147ada21ea6c47f1dacd0/FLAGdd947ba24 [2018-11-23 03:50:30,521 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:50:30,521 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-23 03:50:30,528 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/data/71b42c428/bd44cbc1594147ada21ea6c47f1dacd0/FLAGdd947ba24 [2018-11-23 03:50:30,919 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/data/71b42c428/bd44cbc1594147ada21ea6c47f1dacd0 [2018-11-23 03:50:30,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:50:30,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:50:30,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:50:30,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:50:30,926 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:50:30,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:30" (1/1) ... [2018-11-23 03:50:30,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:30, skipping insertion in model container [2018-11-23 03:50:30,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:30" (1/1) ... [2018-11-23 03:50:30,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:50:30,970 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:50:31,156 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:50:31,165 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:50:31,267 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:50:31,286 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:50:31,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31 WrapperNode [2018-11-23 03:50:31,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:50:31,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:50:31,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:50:31,288 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:50:31,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:50:31,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:50:31,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:50:31,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:50:31,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... [2018-11-23 03:50:31,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:50:31,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:50:31,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:50:31,348 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:50:31,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/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 03:50:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:50:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:50:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:50:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:50:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 03:50:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 03:50:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:50:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:50:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:50:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 03:50:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 03:50:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:50:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:50:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:50:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:50:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:50:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:50:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:50:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:50:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 03:50:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 03:50:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 03:50:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 03:50:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 03:50:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 03:50:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:50:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:50:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:50:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:50:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:50:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:50:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:50:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:50:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:50:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:50:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:50:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:50:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:50:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:50:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:50:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:50:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:50:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:50:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:50:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:50:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:50:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:50:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:50:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:50:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:50:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:50:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:50:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:50:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:50:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:50:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:50:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:50:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:50:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 03:50:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 03:50:31,822 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:50:31,822 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:50:31,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:31 BoogieIcfgContainer [2018-11-23 03:50:31,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:50:31,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:50:31,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:50:31,825 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:50:31,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:50:30" (1/3) ... [2018-11-23 03:50:31,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a7e6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:31, skipping insertion in model container [2018-11-23 03:50:31,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:31" (2/3) ... [2018-11-23 03:50:31,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a7e6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:31, skipping insertion in model container [2018-11-23 03:50:31,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:31" (3/3) ... [2018-11-23 03:50:31,828 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-23 03:50:31,834 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:50:31,840 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:50:31,850 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:50:31,874 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:50:31,874 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:50:31,874 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:50:31,874 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:50:31,874 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:50:31,874 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:50:31,874 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:50:31,874 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:50:31,890 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-23 03:50:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 03:50:31,896 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:31,897 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] [2018-11-23 03:50:31,900 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:31,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:31,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1857615560, now seen corresponding path program 1 times [2018-11-23 03:50:31,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:31,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:31,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:31,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:31,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:32,086 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 03:50:32,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:32,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:50:32,089 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:32,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:50:32,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:50:32,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:50:32,108 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-23 03:50:32,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:32,145 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-11-23 03:50:32,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:50:32,146 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 03:50:32,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:32,158 INFO L225 Difference]: With dead ends: 280 [2018-11-23 03:50:32,158 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 03:50:32,162 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 03:50:32,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 03:50:32,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 03:50:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 03:50:32,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-11-23 03:50:32,211 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2018-11-23 03:50:32,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:32,211 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-11-23 03:50:32,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:50:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-11-23 03:50:32,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 03:50:32,214 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:32,215 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] [2018-11-23 03:50:32,215 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:32,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:32,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1936984543, now seen corresponding path program 1 times [2018-11-23 03:50:32,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:32,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:32,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:32,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:32,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:32,300 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 03:50:32,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:32,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:50:32,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:32,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:50:32,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:50:32,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:50:32,303 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2018-11-23 03:50:32,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:32,322 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2018-11-23 03:50:32,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:50:32,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 03:50:32,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:32,324 INFO L225 Difference]: With dead ends: 229 [2018-11-23 03:50:32,324 INFO L226 Difference]: Without dead ends: 131 [2018-11-23 03:50:32,325 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 03:50:32,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-23 03:50:32,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-23 03:50:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 03:50:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-11-23 03:50:32,338 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2018-11-23 03:50:32,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:32,339 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-11-23 03:50:32,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:50:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-11-23 03:50:32,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 03:50:32,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:32,341 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 03:50:32,341 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:32,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:32,341 INFO L82 PathProgramCache]: Analyzing trace with hash -722343227, now seen corresponding path program 1 times [2018-11-23 03:50:32,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:32,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:32,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:32,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:32,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:32,450 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 03:50:32,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:32,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:50:32,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:32,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:50:32,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:50:32,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:50:32,452 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2018-11-23 03:50:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:32,734 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-11-23 03:50:32,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:50:32,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 03:50:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:32,736 INFO L225 Difference]: With dead ends: 238 [2018-11-23 03:50:32,736 INFO L226 Difference]: Without dead ends: 131 [2018-11-23 03:50:32,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:50:32,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-23 03:50:32,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-23 03:50:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 03:50:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2018-11-23 03:50:32,748 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2018-11-23 03:50:32,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:32,749 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2018-11-23 03:50:32,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:50:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2018-11-23 03:50:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 03:50:32,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:32,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:50:32,751 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:32,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:32,751 INFO L82 PathProgramCache]: Analyzing trace with hash 284293189, now seen corresponding path program 1 times [2018-11-23 03:50:32,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:32,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:32,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:32,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:32,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:32,837 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 03:50:32,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:32,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:50:32,838 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:32,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:50:32,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:50:32,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:50:32,839 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2018-11-23 03:50:33,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:33,162 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2018-11-23 03:50:33,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:50:33,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-23 03:50:33,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:33,165 INFO L225 Difference]: With dead ends: 334 [2018-11-23 03:50:33,165 INFO L226 Difference]: Without dead ends: 227 [2018-11-23 03:50:33,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:50:33,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-23 03:50:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-11-23 03:50:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-23 03:50:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-11-23 03:50:33,188 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2018-11-23 03:50:33,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:33,188 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-11-23 03:50:33,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:50:33,189 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-11-23 03:50:33,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 03:50:33,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:33,190 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:50:33,190 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:33,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:33,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1111290271, now seen corresponding path program 1 times [2018-11-23 03:50:33,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:33,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:33,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:33,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:33,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:33,282 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 03:50:33,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:33,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:50:33,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:33,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:50:33,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:50:33,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:50:33,290 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-11-23 03:50:33,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:33,420 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2018-11-23 03:50:33,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:50:33,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-11-23 03:50:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:33,424 INFO L225 Difference]: With dead ends: 564 [2018-11-23 03:50:33,424 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 03:50:33,425 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 03:50:33,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 03:50:33,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2018-11-23 03:50:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-23 03:50:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2018-11-23 03:50:33,457 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2018-11-23 03:50:33,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:33,457 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2018-11-23 03:50:33,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:50:33,457 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2018-11-23 03:50:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-23 03:50:33,458 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:33,458 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:50:33,459 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:33,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:33,459 INFO L82 PathProgramCache]: Analyzing trace with hash -523312547, now seen corresponding path program 1 times [2018-11-23 03:50:33,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:33,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:33,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:33,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:33,460 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:33,578 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 03:50:33,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:33,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:50:33,579 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:33,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:50:33,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:50:33,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:50:33,580 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2018-11-23 03:50:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:33,991 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2018-11-23 03:50:33,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 03:50:33,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-23 03:50:33,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:33,994 INFO L225 Difference]: With dead ends: 406 [2018-11-23 03:50:33,994 INFO L226 Difference]: Without dead ends: 403 [2018-11-23 03:50:33,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:50:33,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-11-23 03:50:34,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2018-11-23 03:50:34,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-23 03:50:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2018-11-23 03:50:34,021 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2018-11-23 03:50:34,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:34,022 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2018-11-23 03:50:34,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:50:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2018-11-23 03:50:34,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 03:50:34,023 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:34,024 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] [2018-11-23 03:50:34,024 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:34,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:34,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1504884770, now seen corresponding path program 1 times [2018-11-23 03:50:34,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:34,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:34,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:34,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:34,025 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:34,098 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 03:50:34,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:34,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:50:34,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:34,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:50:34,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:50:34,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:50:34,099 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2018-11-23 03:50:34,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:34,138 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2018-11-23 03:50:34,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:50:34,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-23 03:50:34,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:34,142 INFO L225 Difference]: With dead ends: 736 [2018-11-23 03:50:34,142 INFO L226 Difference]: Without dead ends: 387 [2018-11-23 03:50:34,143 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 03:50:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-23 03:50:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-23 03:50:34,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-23 03:50:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2018-11-23 03:50:34,164 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2018-11-23 03:50:34,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:34,164 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2018-11-23 03:50:34,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:50:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2018-11-23 03:50:34,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 03:50:34,167 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:34,167 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] [2018-11-23 03:50:34,167 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:34,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:34,167 INFO L82 PathProgramCache]: Analyzing trace with hash -611398432, now seen corresponding path program 1 times [2018-11-23 03:50:34,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:34,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:34,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:34,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:34,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:34,250 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 03:50:34,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:34,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 03:50:34,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:34,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 03:50:34,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 03:50:34,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:50:34,252 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2018-11-23 03:50:34,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:34,286 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2018-11-23 03:50:34,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:50:34,289 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-23 03:50:34,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:34,291 INFO L225 Difference]: With dead ends: 756 [2018-11-23 03:50:34,291 INFO L226 Difference]: Without dead ends: 397 [2018-11-23 03:50:34,292 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 03:50:34,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-11-23 03:50:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-11-23 03:50:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-11-23 03:50:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2018-11-23 03:50:34,313 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2018-11-23 03:50:34,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:34,313 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2018-11-23 03:50:34,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 03:50:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2018-11-23 03:50:34,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 03:50:34,315 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:34,315 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] [2018-11-23 03:50:34,315 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:34,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:34,316 INFO L82 PathProgramCache]: Analyzing trace with hash -619157791, now seen corresponding path program 1 times [2018-11-23 03:50:34,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:34,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:34,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:34,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:34,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:34,396 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 03:50:34,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:34,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:50:34,397 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:34,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:50:34,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:50:34,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:50:34,398 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2018-11-23 03:50:34,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:34,570 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2018-11-23 03:50:34,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:50:34,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-23 03:50:34,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:34,574 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 03:50:34,575 INFO L226 Difference]: Without dead ends: 786 [2018-11-23 03:50:34,576 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 03:50:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-11-23 03:50:34,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2018-11-23 03:50:34,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-23 03:50:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2018-11-23 03:50:34,619 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2018-11-23 03:50:34,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:34,620 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2018-11-23 03:50:34,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:50:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2018-11-23 03:50:34,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 03:50:34,623 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:34,623 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] [2018-11-23 03:50:34,623 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:34,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:34,623 INFO L82 PathProgramCache]: Analyzing trace with hash 440304635, now seen corresponding path program 1 times [2018-11-23 03:50:34,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:34,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:34,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:34,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:34,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:34,747 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 03:50:34,748 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:50:34,748 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:50:34,749 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-11-23 03:50:34,750 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [44], [45], [46], [61], [64], [66], [75], [79], [83], [86], [91], [94], [99], [102], [117], [118], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [183], [187], [194], [195], [203], [207], [210], [212], [215], [225], [228], [232], [233], [236], [238], [241], [243], [246], [255], [256], [257], [258], [259], [260], [261], [262], [263], [267], [269], [270], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [290], [291], [292], [299], [300], [301], [303], [304], [305], [307], [308], [309], [310], [315], [316], [317], [318], [319] [2018-11-23 03:50:34,783 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:50:34,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:50:35,179 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:50:35,180 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-23 03:50:35,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:35,198 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:50:35,479 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.31% of their original sizes. [2018-11-23 03:50:35,479 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:50:35,583 INFO L415 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-11-23 03:50:35,583 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:50:35,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:50:35,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [13] total 26 [2018-11-23 03:50:35,584 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:35,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 03:50:35,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 03:50:35,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-23 03:50:35,585 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 15 states. [2018-11-23 03:50:39,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:39,275 INFO L93 Difference]: Finished difference Result 1705 states and 2017 transitions. [2018-11-23 03:50:39,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:50:39,276 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 102 [2018-11-23 03:50:39,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:39,279 INFO L225 Difference]: With dead ends: 1705 [2018-11-23 03:50:39,280 INFO L226 Difference]: Without dead ends: 958 [2018-11-23 03:50:39,282 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2018-11-23 03:50:39,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2018-11-23 03:50:39,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 954. [2018-11-23 03:50:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2018-11-23 03:50:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1091 transitions. [2018-11-23 03:50:39,327 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1091 transitions. Word has length 102 [2018-11-23 03:50:39,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:39,328 INFO L480 AbstractCegarLoop]: Abstraction has 954 states and 1091 transitions. [2018-11-23 03:50:39,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 03:50:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1091 transitions. [2018-11-23 03:50:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 03:50:39,331 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:39,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:39,332 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:39,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:39,332 INFO L82 PathProgramCache]: Analyzing trace with hash -261242511, now seen corresponding path program 1 times [2018-11-23 03:50:39,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:39,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:39,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:39,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:39,333 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 03:50:39,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:50:39,407 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:50:39,407 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-23 03:50:39,407 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [75], [79], [83], [86], [91], [94], [97], [99], [102], [117], [118], [119], [120], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [180], [183], [187], [193], [194], [195], [198], [202], [203], [207], [210], [212], [215], [222], [225], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [269], [270], [271], [272], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319] [2018-11-23 03:50:39,410 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:50:39,411 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:50:40,865 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:50:40,865 INFO L272 AbstractInterpreter]: Visited 131 different actions 672 times. Merged at 19 different actions 53 times. Never widened. Performed 33489 root evaluator evaluations with a maximum evaluation depth of 5. Performed 33489 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-23 03:50:40,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:40,874 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:50:40,874 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:50:40,874 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/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 03:50:40,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:40,891 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:50:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:40,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:50:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:50:41,024 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:50:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 03:50:41,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:50:41,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-23 03:50:41,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:41,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:50:41,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:50:41,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:50:41,218 INFO L87 Difference]: Start difference. First operand 954 states and 1091 transitions. Second operand 5 states. [2018-11-23 03:50:41,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:41,526 INFO L93 Difference]: Finished difference Result 1805 states and 2179 transitions. [2018-11-23 03:50:41,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:50:41,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-11-23 03:50:41,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:41,531 INFO L225 Difference]: With dead ends: 1805 [2018-11-23 03:50:41,531 INFO L226 Difference]: Without dead ends: 1206 [2018-11-23 03:50:41,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:50:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2018-11-23 03:50:41,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1104. [2018-11-23 03:50:41,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2018-11-23 03:50:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1285 transitions. [2018-11-23 03:50:41,584 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1285 transitions. Word has length 159 [2018-11-23 03:50:41,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:41,584 INFO L480 AbstractCegarLoop]: Abstraction has 1104 states and 1285 transitions. [2018-11-23 03:50:41,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:50:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1285 transitions. [2018-11-23 03:50:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 03:50:41,587 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:41,587 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:50:41,587 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:41,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:41,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1904471733, now seen corresponding path program 1 times [2018-11-23 03:50:41,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:41,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:41,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:41,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:41,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 03:50:41,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:50:41,701 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:50:41,701 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-23 03:50:41,702 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [75], [79], [83], [86], [89], [91], [94], [97], [99], [102], [117], [118], [119], [120], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [180], [183], [187], [193], [194], [195], [198], [202], [203], [207], [210], [212], [215], [222], [225], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [269], [270], [271], [272], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319] [2018-11-23 03:50:41,705 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:50:41,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:50:42,997 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:50:42,997 INFO L272 AbstractInterpreter]: Visited 132 different actions 898 times. Merged at 17 different actions 64 times. Never widened. Performed 37132 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37132 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 5 different actions. Largest state had 132 variables. [2018-11-23 03:50:42,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:43,000 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:50:43,000 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:50:43,000 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/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 03:50:43,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:43,009 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:50:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:43,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:50:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:50:43,182 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:50:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 03:50:43,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:50:43,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-23 03:50:43,480 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:43,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:50:43,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:50:43,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-23 03:50:43,481 INFO L87 Difference]: Start difference. First operand 1104 states and 1285 transitions. Second operand 9 states. [2018-11-23 03:50:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:44,198 INFO L93 Difference]: Finished difference Result 2399 states and 3053 transitions. [2018-11-23 03:50:44,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 03:50:44,198 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-23 03:50:44,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:44,204 INFO L225 Difference]: With dead ends: 2399 [2018-11-23 03:50:44,204 INFO L226 Difference]: Without dead ends: 1656 [2018-11-23 03:50:44,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 303 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-23 03:50:44,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2018-11-23 03:50:44,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1376. [2018-11-23 03:50:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2018-11-23 03:50:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1612 transitions. [2018-11-23 03:50:44,266 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1612 transitions. Word has length 155 [2018-11-23 03:50:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:44,266 INFO L480 AbstractCegarLoop]: Abstraction has 1376 states and 1612 transitions. [2018-11-23 03:50:44,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:50:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1612 transitions. [2018-11-23 03:50:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 03:50:44,269 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:50:44,269 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:50:44,270 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:50:44,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:44,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1629712119, now seen corresponding path program 1 times [2018-11-23 03:50:44,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:50:44,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:44,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:44,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:44,271 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:50:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 03:50:44,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:44,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 03:50:44,347 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:50:44,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:50:44,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:50:44,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:50:44,348 INFO L87 Difference]: Start difference. First operand 1376 states and 1612 transitions. Second operand 9 states. [2018-11-23 03:50:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:44,394 INFO L93 Difference]: Finished difference Result 1764 states and 2065 transitions. [2018-11-23 03:50:44,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:50:44,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-23 03:50:44,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:50:44,395 INFO L225 Difference]: With dead ends: 1764 [2018-11-23 03:50:44,395 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:50:44,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:50:44,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:50:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:50:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:50:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:50:44,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-23 03:50:44,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:50:44,398 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:50:44,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:50:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:50:44,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:50:44,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:50:44,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:44,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:50:45,271 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2018-11-23 03:50:45,633 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-11-23 03:50:46,027 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2018-11-23 03:50:46,380 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2018-11-23 03:50:46,587 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2018-11-23 03:50:47,073 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-11-23 03:50:47,073 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-11-23 03:50:47,073 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-11-23 03:50:47,073 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-11-23 03:50:47,073 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-11-23 03:50:47,073 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,073 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-11-23 03:50:47,073 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,073 INFO L444 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,074 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-11-23 03:50:47,074 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-11-23 03:50:47,074 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-11-23 03:50:47,074 INFO L448 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-11-23 03:50:47,074 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,074 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,074 INFO L444 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,074 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-23 03:50:47,074 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-11-23 03:50:47,074 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-23 03:50:47,074 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-11-23 03:50:47,074 INFO L451 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-11-23 03:50:47,074 INFO L448 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-11-23 03:50:47,075 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-11-23 03:50:47,075 INFO L451 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-11-23 03:50:47,076 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 03:50:47,076 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-11-23 03:50:47,076 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-11-23 03:50:47,076 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-11-23 03:50:47,076 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-11-23 03:50:47,076 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-11-23 03:50:47,076 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-11-23 03:50:47,076 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-11-23 03:50:47,076 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3))) [2018-11-23 03:50:47,076 INFO L448 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-11-23 03:50:47,076 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 03:50:47,076 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 03:50:47,077 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2))) [2018-11-23 03:50:47,077 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-11-23 03:50:47,077 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-11-23 03:50:47,077 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-11-23 03:50:47,077 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-11-23 03:50:47,077 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-11-23 03:50:47,077 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-11-23 03:50:47,077 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,077 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-11-23 03:50:47,077 INFO L444 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:50:47,077 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-11-23 03:50:47,078 INFO L444 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse3))) [2018-11-23 03:50:47,078 INFO L448 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-11-23 03:50:47,078 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-11-23 03:50:47,078 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2018-11-23 03:50:47,078 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-11-23 03:50:47,078 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-11-23 03:50:47,078 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 (<= 2 ~waterLevel~0) .cse2))) [2018-11-23 03:50:47,078 INFO L444 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:50:47,078 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-23 03:50:47,078 INFO L448 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-11-23 03:50:47,078 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L444 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-11-23 03:50:47,079 INFO L448 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-11-23 03:50:47,080 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 03:50:47,080 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 03:50:47,080 INFO L448 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-11-23 03:50:47,080 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-11-23 03:50:47,080 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-11-23 03:50:47,080 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-11-23 03:50:47,080 INFO L448 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-11-23 03:50:47,080 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-23 03:50:47,080 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-11-23 03:50:47,080 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-11-23 03:50:47,080 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-11-23 03:50:47,080 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-11-23 03:50:47,081 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-11-23 03:50:47,081 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-11-23 03:50:47,081 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-11-23 03:50:47,081 INFO L451 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-11-23 03:50:47,081 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-11-23 03:50:47,081 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-11-23 03:50:47,081 INFO L451 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-11-23 03:50:47,081 INFO L448 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-11-23 03:50:47,081 INFO L451 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2018-11-23 03:50:47,081 INFO L451 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-11-23 03:50:47,081 INFO L448 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-11-23 03:50:47,082 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse11 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4)) (or .cse5 .cse6 (and .cse7 .cse4) .cse1 .cse8) (or .cse6 .cse1 .cse7 .cse8 .cse2) (or (or .cse5 .cse6 .cse1 .cse9) .cse10) (or .cse6 .cse11 (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or (or .cse6 .cse1 .cse2 .cse9) .cse10) (or (or .cse5 .cse0 .cse1) .cse11 (and (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse4))))) [2018-11-23 03:50:47,082 INFO L444 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse12 (= ~systemActive~0 1)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse12 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse12)) (.cse9 (= 0 ~pumpRunning~0)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or (or .cse0 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (= ~waterLevel~0 2)) (or .cse1 (and .cse6 .cse3) (< |old(~waterLevel~0)| 1) .cse7 .cse4 .cse8) (or .cse7 (and .cse9 .cse10) (or .cse11 .cse4 .cse8)) (or .cse1 .cse2 .cse4 .cse5 .cse8) (or (and .cse9 .cse6) (or .cse0 .cse11 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10))))) [2018-11-23 03:50:47,082 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or (or .cse0 .cse1 .cse4 .cse7) .cse8) (or (or .cse1 .cse4 .cse6 .cse7) .cse8) (or .cse9 (or .cse10 .cse4 .cse6)) (or (or .cse0 .cse10 .cse4) .cse9) (or .cse1 .cse3 (< |old(~waterLevel~0)| 1) .cse4 .cse6)))) [2018-11-23 03:50:47,082 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-11-23 03:50:47,082 INFO L448 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-11-23 03:50:47,082 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-11-23 03:50:47,082 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-11-23 03:50:47,082 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-11-23 03:50:47,082 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-11-23 03:50:47,082 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-11-23 03:50:47,083 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (or .cse1 .cse2) .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3))) [2018-11-23 03:50:47,083 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-11-23 03:50:47,083 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-11-23 03:50:47,083 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-11-23 03:50:47,083 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-11-23 03:50:47,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:50:47,083 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 03:50:47,083 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:50:47,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:50:47,083 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:50:47,083 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-11-23 03:50:47,083 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 03:50:47,084 INFO L448 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-11-23 03:50:47,084 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse2 .cse4 .cse5) (or (or .cse1 .cse6 .cse2 .cse5) .cse3) (or .cse3 (or .cse0 .cse1 .cse6 .cse2)))) [2018-11-23 03:50:47,084 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse1 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-23 03:50:47,084 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-11-23 03:50:47,084 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:50:47,084 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 03:50:47,084 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-11-23 03:50:47,084 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-11-23 03:50:47,084 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-11-23 03:50:47,084 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse4 .cse5)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (or .cse5 .cse8)) (or .cse2 (or .cse4 .cse5 .cse8) .cse3) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 .cse4 .cse6 .cse5 .cse7)))) [2018-11-23 03:50:47,084 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-11-23 03:50:47,085 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-11-23 03:50:47,085 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-11-23 03:50:47,085 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-11-23 03:50:47,085 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-23 03:50:47,085 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 03:50:47,085 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-23 03:50:47,085 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-23 03:50:47,085 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-11-23 03:50:47,085 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-23 03:50:47,085 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-23 03:50:47,085 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-23 03:50:47,086 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-23 03:50:47,086 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-23 03:50:47,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:50:47 BoogieIcfgContainer [2018-11-23 03:50:47,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:50:47,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:50:47,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:50:47,104 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:50:47,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:31" (3/4) ... [2018-11-23 03:50:47,107 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:50:47,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:50:47,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:50:47,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 03:50:47,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:50:47,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:50:47,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 03:50:47,127 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 03:50:47,127 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:50:47,127 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:50:47,128 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:50:47,128 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:50:47,128 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:50:47,129 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:50:47,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:50:47,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:50:47,181 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bfe82ac5-117e-47d6-91a1-81df04048f34/bin-2019/utaipan/witness.graphml [2018-11-23 03:50:47,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:50:47,182 INFO L168 Benchmark]: Toolchain (without parser) took 16260.44 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 792.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 610.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:50:47,183 INFO L168 Benchmark]: CDTParser took 0.13 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 03:50:47,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -202.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:50:47,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:50:47,183 INFO L168 Benchmark]: Boogie Preprocessor took 31.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:50:47,184 INFO L168 Benchmark]: RCFGBuilder took 474.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:50:47,184 INFO L168 Benchmark]: TraceAbstraction took 15280.55 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 623.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.4 MB). Peak memory consumption was 930.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:50:47,184 INFO L168 Benchmark]: Witness Printer took 78.16 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 190.0 kB). Peak memory consumption was 190.0 kB. Max. memory is 11.5 GB. [2018-11-23 03:50:47,185 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 364.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -202.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 474.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15280.55 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 623.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.4 MB). Peak memory consumption was 930.0 MB. Max. memory is 11.5 GB. * Witness Printer took 78.16 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 190.0 kB). Peak memory consumption was 190.0 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 15.2s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2397 SDtfs, 1689 SDslu, 6704 SDs, 0 SdLazy, 3447 SolverSat, 597 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 867 GetRequests, 754 SyntacticMatches, 6 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1376occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.2s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9968269290382836 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 465 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2273 PreInvPairs, 2365 NumberOfFragments, 2083 HoareAnnotationTreeSize, 2273 FomulaSimplifications, 10889 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 12146 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1547 NumberOfCodeBlocks, 1547 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1844 ConstructedInterpolants, 0 QuantifiedInterpolants, 367759 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1727 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 244/262 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...