./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/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 d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:32:46,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:32:46,069 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:32:46,075 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:32:46,076 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:32:46,076 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:32:46,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:32:46,078 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:32:46,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:32:46,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:32:46,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:32:46,080 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:32:46,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:32:46,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:32:46,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:32:46,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:32:46,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:32:46,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:32:46,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:32:46,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:32:46,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:32:46,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:32:46,087 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:32:46,087 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:32:46,087 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:32:46,088 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:32:46,088 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:32:46,089 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:32:46,089 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:32:46,090 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:32:46,090 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:32:46,090 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:32:46,090 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:32:46,090 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:32:46,091 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:32:46,091 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:32:46,091 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 06:32:46,099 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:32:46,099 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:32:46,100 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:32:46,100 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 06:32:46,100 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:32:46,101 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:32:46,101 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:32:46,101 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:32:46,101 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:32:46,101 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:32:46,101 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:32:46,101 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:32:46,102 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:32:46,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:32:46,102 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:32:46,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:32:46,103 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 06:32:46,103 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:32:46,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:32:46,103 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 06:32:46,103 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_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/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 -> d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b [2018-12-09 06:32:46,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:32:46,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:32:46,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:32:46,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:32:46,130 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:32:46,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-12-09 06:32:46,165 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/data/d3398b148/9186a76672384ba3929feefa879e37ab/FLAGfb6986144 [2018-12-09 06:32:46,528 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:32:46,528 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-12-09 06:32:46,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/data/d3398b148/9186a76672384ba3929feefa879e37ab/FLAGfb6986144 [2018-12-09 06:32:46,912 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/data/d3398b148/9186a76672384ba3929feefa879e37ab [2018-12-09 06:32:46,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:32:46,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:32:46,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:32:46,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:32:46,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:32:46,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:32:46" (1/1) ... [2018-12-09 06:32:46,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:46, skipping insertion in model container [2018-12-09 06:32:46,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:32:46" (1/1) ... [2018-12-09 06:32:46,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:32:46,945 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:32:47,093 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:32:47,101 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:32:47,186 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:32:47,202 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:32:47,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47 WrapperNode [2018-12-09 06:32:47,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:32:47,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:32:47,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:32:47,203 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:32:47,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:32:47,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:32:47,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:32:47,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:32:47,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... [2018-12-09 06:32:47,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:32:47,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:32:47,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:32:47,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:32:47,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:32:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 06:32:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 06:32:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:32:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:32:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 06:32:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 06:32:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 06:32:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 06:32:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:32:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 06:32:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 06:32:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 06:32:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 06:32:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 06:32:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 06:32:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 06:32:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 06:32:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 06:32:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 06:32:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 06:32:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 06:32:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 06:32:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 06:32:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 06:32:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 06:32:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 06:32:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 06:32:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 06:32:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 06:32:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 06:32:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 06:32:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 06:32:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 06:32:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 06:32:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 06:32:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 06:32:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 06:32:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 06:32:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 06:32:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 06:32:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 06:32:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 06:32:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 06:32:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 06:32:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 06:32:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 06:32:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 06:32:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 06:32:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 06:32:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 06:32:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 06:32:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 06:32:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 06:32:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 06:32:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 06:32:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 06:32:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:32:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:32:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 06:32:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 06:32:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 06:32:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 06:32:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:32:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:32:47,587 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:32:47,587 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 06:32:47,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:32:47 BoogieIcfgContainer [2018-12-09 06:32:47,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:32:47,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:32:47,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:32:47,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:32:47,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:32:46" (1/3) ... [2018-12-09 06:32:47,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274679a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:32:47, skipping insertion in model container [2018-12-09 06:32:47,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:32:47" (2/3) ... [2018-12-09 06:32:47,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274679a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:32:47, skipping insertion in model container [2018-12-09 06:32:47,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:32:47" (3/3) ... [2018-12-09 06:32:47,592 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-12-09 06:32:47,598 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:32:47,603 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 06:32:47,611 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 06:32:47,630 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:32:47,630 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:32:47,630 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:32:47,630 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:32:47,630 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:32:47,630 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:32:47,630 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:32:47,630 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:32:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-12-09 06:32:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 06:32:47,647 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:47,648 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:47,649 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:47,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:47,653 INFO L82 PathProgramCache]: Analyzing trace with hash 2089715448, now seen corresponding path program 1 times [2018-12-09 06:32:47,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:47,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:47,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:47,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:47,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:47,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:47,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:32:47,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:47,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 06:32:47,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 06:32:47,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:32:47,806 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-12-09 06:32:47,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:47,831 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2018-12-09 06:32:47,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 06:32:47,832 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 06:32:47,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:47,839 INFO L225 Difference]: With dead ends: 304 [2018-12-09 06:32:47,839 INFO L226 Difference]: Without dead ends: 154 [2018-12-09 06:32:47,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:32:47,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-09 06:32:47,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-12-09 06:32:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-12-09 06:32:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 184 transitions. [2018-12-09 06:32:47,872 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 184 transitions. Word has length 51 [2018-12-09 06:32:47,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:47,872 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 184 transitions. [2018-12-09 06:32:47,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 06:32:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 184 transitions. [2018-12-09 06:32:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 06:32:47,874 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:47,874 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:47,874 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:47,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:47,874 INFO L82 PathProgramCache]: Analyzing trace with hash 376815419, now seen corresponding path program 1 times [2018-12-09 06:32:47,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:47,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:47,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:47,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:47,875 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:47,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:47,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:47,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:32:47,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:47,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:32:47,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:32:47,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:32:47,937 INFO L87 Difference]: Start difference. First operand 154 states and 184 transitions. Second operand 3 states. [2018-12-09 06:32:47,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:47,951 INFO L93 Difference]: Finished difference Result 247 states and 295 transitions. [2018-12-09 06:32:47,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:32:47,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 06:32:47,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:47,952 INFO L225 Difference]: With dead ends: 247 [2018-12-09 06:32:47,952 INFO L226 Difference]: Without dead ends: 145 [2018-12-09 06:32:47,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:32:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-09 06:32:47,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-09 06:32:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-09 06:32:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2018-12-09 06:32:47,961 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 52 [2018-12-09 06:32:47,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:47,961 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2018-12-09 06:32:47,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:32:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2018-12-09 06:32:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 06:32:47,962 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:47,962 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:47,962 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:47,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:47,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2083474303, now seen corresponding path program 1 times [2018-12-09 06:32:47,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:47,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:47,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:47,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:47,963 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:48,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:48,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 06:32:48,031 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:48,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:32:48,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:32:48,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:32:48,032 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 7 states. [2018-12-09 06:32:48,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:48,321 INFO L93 Difference]: Finished difference Result 430 states and 528 transitions. [2018-12-09 06:32:48,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:32:48,321 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 06:32:48,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:48,323 INFO L225 Difference]: With dead ends: 430 [2018-12-09 06:32:48,323 INFO L226 Difference]: Without dead ends: 313 [2018-12-09 06:32:48,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:32:48,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-12-09 06:32:48,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305. [2018-12-09 06:32:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-12-09 06:32:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 374 transitions. [2018-12-09 06:32:48,345 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 374 transitions. Word has length 56 [2018-12-09 06:32:48,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:48,345 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 374 transitions. [2018-12-09 06:32:48,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:32:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 374 transitions. [2018-12-09 06:32:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 06:32:48,347 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:48,347 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:48,347 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:48,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:48,347 INFO L82 PathProgramCache]: Analyzing trace with hash -139237271, now seen corresponding path program 1 times [2018-12-09 06:32:48,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:48,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:48,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:48,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:48,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:48,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:48,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:32:48,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:48,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:32:48,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:32:48,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:32:48,413 INFO L87 Difference]: Start difference. First operand 305 states and 374 transitions. Second operand 6 states. [2018-12-09 06:32:48,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:48,561 INFO L93 Difference]: Finished difference Result 841 states and 1056 transitions. [2018-12-09 06:32:48,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 06:32:48,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 06:32:48,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:48,565 INFO L225 Difference]: With dead ends: 841 [2018-12-09 06:32:48,565 INFO L226 Difference]: Without dead ends: 564 [2018-12-09 06:32:48,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 06:32:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-09 06:32:48,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2018-12-09 06:32:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-09 06:32:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 688 transitions. [2018-12-09 06:32:48,600 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 688 transitions. Word has length 62 [2018-12-09 06:32:48,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:48,601 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 688 transitions. [2018-12-09 06:32:48,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:32:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 688 transitions. [2018-12-09 06:32:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 06:32:48,603 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:48,603 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:48,603 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:48,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:48,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1489152805, now seen corresponding path program 1 times [2018-12-09 06:32:48,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:48,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:48,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:48,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:48,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:48,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:48,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 06:32:48,676 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:48,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:32:48,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:32:48,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:32:48,676 INFO L87 Difference]: Start difference. First operand 558 states and 688 transitions. Second operand 7 states. [2018-12-09 06:32:49,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:49,101 INFO L93 Difference]: Finished difference Result 1437 states and 1898 transitions. [2018-12-09 06:32:49,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 06:32:49,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 06:32:49,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:49,104 INFO L225 Difference]: With dead ends: 1437 [2018-12-09 06:32:49,104 INFO L226 Difference]: Without dead ends: 907 [2018-12-09 06:32:49,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 06:32:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-12-09 06:32:49,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 811. [2018-12-09 06:32:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-09 06:32:49,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 991 transitions. [2018-12-09 06:32:49,140 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 991 transitions. Word has length 66 [2018-12-09 06:32:49,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:49,141 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 991 transitions. [2018-12-09 06:32:49,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:32:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 991 transitions. [2018-12-09 06:32:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 06:32:49,142 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:49,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:49,142 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:49,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:49,143 INFO L82 PathProgramCache]: Analyzing trace with hash 344345668, now seen corresponding path program 1 times [2018-12-09 06:32:49,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:49,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:49,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,143 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:49,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:49,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:32:49,186 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:49,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:32:49,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:32:49,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:32:49,187 INFO L87 Difference]: Start difference. First operand 811 states and 991 transitions. Second operand 6 states. [2018-12-09 06:32:49,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:49,232 INFO L93 Difference]: Finished difference Result 1614 states and 2012 transitions. [2018-12-09 06:32:49,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 06:32:49,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 06:32:49,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:49,236 INFO L225 Difference]: With dead ends: 1614 [2018-12-09 06:32:49,237 INFO L226 Difference]: Without dead ends: 831 [2018-12-09 06:32:49,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:32:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-12-09 06:32:49,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2018-12-09 06:32:49,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-12-09 06:32:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1011 transitions. [2018-12-09 06:32:49,273 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1011 transitions. Word has length 93 [2018-12-09 06:32:49,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:49,273 INFO L480 AbstractCegarLoop]: Abstraction has 831 states and 1011 transitions. [2018-12-09 06:32:49,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:32:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1011 transitions. [2018-12-09 06:32:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 06:32:49,274 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:49,274 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:49,274 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:49,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:49,274 INFO L82 PathProgramCache]: Analyzing trace with hash 271959110, now seen corresponding path program 1 times [2018-12-09 06:32:49,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:49,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:49,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:49,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:49,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 06:32:49,327 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:49,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 06:32:49,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 06:32:49,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:32:49,328 INFO L87 Difference]: Start difference. First operand 831 states and 1011 transitions. Second operand 8 states. [2018-12-09 06:32:49,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:49,368 INFO L93 Difference]: Finished difference Result 1662 states and 2098 transitions. [2018-12-09 06:32:49,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 06:32:49,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-09 06:32:49,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:49,371 INFO L225 Difference]: With dead ends: 1662 [2018-12-09 06:32:49,371 INFO L226 Difference]: Without dead ends: 859 [2018-12-09 06:32:49,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:32:49,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2018-12-09 06:32:49,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 847. [2018-12-09 06:32:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-12-09 06:32:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2018-12-09 06:32:49,397 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 93 [2018-12-09 06:32:49,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:49,397 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2018-12-09 06:32:49,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 06:32:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2018-12-09 06:32:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 06:32:49,398 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:49,398 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:49,398 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:49,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:49,399 INFO L82 PathProgramCache]: Analyzing trace with hash 601724871, now seen corresponding path program 1 times [2018-12-09 06:32:49,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:49,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:49,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:49,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:49,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 06:32:49,439 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:49,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 06:32:49,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 06:32:49,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:32:49,440 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 4 states. [2018-12-09 06:32:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:49,621 INFO L93 Difference]: Finished difference Result 2733 states and 3478 transitions. [2018-12-09 06:32:49,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 06:32:49,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-09 06:32:49,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:49,627 INFO L225 Difference]: With dead ends: 2733 [2018-12-09 06:32:49,627 INFO L226 Difference]: Without dead ends: 1914 [2018-12-09 06:32:49,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:32:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2018-12-09 06:32:49,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1883. [2018-12-09 06:32:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1883 states. [2018-12-09 06:32:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2343 transitions. [2018-12-09 06:32:49,689 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2343 transitions. Word has length 93 [2018-12-09 06:32:49,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:49,689 INFO L480 AbstractCegarLoop]: Abstraction has 1883 states and 2343 transitions. [2018-12-09 06:32:49,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 06:32:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2343 transitions. [2018-12-09 06:32:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 06:32:49,691 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:49,691 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:49,691 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:49,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:49,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1855468717, now seen corresponding path program 1 times [2018-12-09 06:32:49,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:49,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:49,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:49,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:32:49,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:32:49,722 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:49,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:32:49,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:32:49,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:32:49,723 INFO L87 Difference]: Start difference. First operand 1883 states and 2343 transitions. Second operand 3 states. [2018-12-09 06:32:49,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:49,805 INFO L93 Difference]: Finished difference Result 3058 states and 3917 transitions. [2018-12-09 06:32:49,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:32:49,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-12-09 06:32:49,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:49,819 INFO L225 Difference]: With dead ends: 3058 [2018-12-09 06:32:49,819 INFO L226 Difference]: Without dead ends: 3055 [2018-12-09 06:32:49,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:32:49,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2018-12-09 06:32:49,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2895. [2018-12-09 06:32:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2018-12-09 06:32:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3721 transitions. [2018-12-09 06:32:49,949 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3721 transitions. Word has length 97 [2018-12-09 06:32:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:49,949 INFO L480 AbstractCegarLoop]: Abstraction has 2895 states and 3721 transitions. [2018-12-09 06:32:49,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:32:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3721 transitions. [2018-12-09 06:32:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 06:32:49,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:49,955 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 06:32:49,955 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:49,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:49,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1686558985, now seen corresponding path program 1 times [2018-12-09 06:32:49,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:49,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:49,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:49,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 06:32:50,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:32:50,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:32:50,003 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-12-09 06:32:50,005 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [207], [210], [214], [220], [221], [222], [227], [229], [230], [234], [237], [239], [242], [252], [255], [259], [260], [263], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [296], [297], [298], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [322], [323], [324], [326], [327], [332], [333], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [356], [357] [2018-12-09 06:32:50,028 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:32:50,029 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:32:51,230 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:32:51,231 INFO L272 AbstractInterpreter]: Visited 109 different actions 544 times. Merged at 15 different actions 38 times. Never widened. Performed 26013 root evaluator evaluations with a maximum evaluation depth of 3. Performed 26013 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-09 06:32:51,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:51,237 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:32:51,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:32:51,237 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:32:51,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:51,244 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:32:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:51,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:32:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 06:32:51,385 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:32:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 06:32:51,615 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:32:51,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [5] total 7 [2018-12-09 06:32:51,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:51,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:32:51,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:32:51,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:32:51,616 INFO L87 Difference]: Start difference. First operand 2895 states and 3721 transitions. Second operand 3 states. [2018-12-09 06:32:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:51,743 INFO L93 Difference]: Finished difference Result 6187 states and 8216 transitions. [2018-12-09 06:32:51,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:32:51,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-12-09 06:32:51,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:51,753 INFO L225 Difference]: With dead ends: 6187 [2018-12-09 06:32:51,753 INFO L226 Difference]: Without dead ends: 3656 [2018-12-09 06:32:51,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 322 SyntacticMatches, 6 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:32:51,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3656 states. [2018-12-09 06:32:51,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3656 to 3617. [2018-12-09 06:32:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3617 states. [2018-12-09 06:32:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 4576 transitions. [2018-12-09 06:32:51,900 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 4576 transitions. Word has length 164 [2018-12-09 06:32:51,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:51,901 INFO L480 AbstractCegarLoop]: Abstraction has 3617 states and 4576 transitions. [2018-12-09 06:32:51,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:32:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 4576 transitions. [2018-12-09 06:32:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 06:32:51,907 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:51,907 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:51,907 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:51,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:51,907 INFO L82 PathProgramCache]: Analyzing trace with hash 783475155, now seen corresponding path program 1 times [2018-12-09 06:32:51,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:51,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:51,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:51,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:51,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 06:32:51,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:32:51,970 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:32:51,971 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-09 06:32:51,971 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [210], [214], [220], [221], [222], [230], [234], [237], [239], [242], [252], [255], [259], [260], [263], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [296], [297], [298], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [322], [323], [324], [326], [327], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [356], [357] [2018-12-09 06:32:51,974 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:32:51,974 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:32:52,509 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:32:52,509 INFO L272 AbstractInterpreter]: Visited 104 different actions 377 times. Merged at 13 different actions 29 times. Never widened. Performed 14741 root evaluator evaluations with a maximum evaluation depth of 3. Performed 14741 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 134 variables. [2018-12-09 06:32:52,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:52,511 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:32:52,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:32:52,511 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:32:52,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:52,517 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:32:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:52,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:32:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:32:52,622 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:32:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 06:32:52,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 06:32:52,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-09 06:32:52,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:52,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:32:52,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:32:52,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:32:52,792 INFO L87 Difference]: Start difference. First operand 3617 states and 4576 transitions. Second operand 3 states. [2018-12-09 06:32:52,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:52,900 INFO L93 Difference]: Finished difference Result 6613 states and 8467 transitions. [2018-12-09 06:32:52,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:32:52,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-09 06:32:52,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:52,910 INFO L225 Difference]: With dead ends: 6613 [2018-12-09 06:32:52,910 INFO L226 Difference]: Without dead ends: 3360 [2018-12-09 06:32:52,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 320 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:32:52,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3360 states. [2018-12-09 06:32:52,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3360 to 2896. [2018-12-09 06:32:52,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2896 states. [2018-12-09 06:32:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3420 transitions. [2018-12-09 06:32:53,005 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3420 transitions. Word has length 160 [2018-12-09 06:32:53,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:53,005 INFO L480 AbstractCegarLoop]: Abstraction has 2896 states and 3420 transitions. [2018-12-09 06:32:53,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:32:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3420 transitions. [2018-12-09 06:32:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 06:32:53,010 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:53,010 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 06:32:53,010 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:53,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:53,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1793483308, now seen corresponding path program 1 times [2018-12-09 06:32:53,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:53,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:53,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:53,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:53,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 06:32:53,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:32:53,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:32:53,066 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-09 06:32:53,066 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [20], [25], [26], [27], [28], [40], [48], [49], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [101], [104], [107], [109], [112], [114], [117], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [210], [214], [220], [221], [222], [230], [234], [237], [239], [242], [252], [255], [259], [260], [263], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [320], [321], [322], [323], [324], [326], [327], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [356], [357] [2018-12-09 06:32:53,068 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:32:53,068 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:32:53,927 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:32:53,927 INFO L272 AbstractInterpreter]: Visited 114 different actions 426 times. Merged at 15 different actions 48 times. Never widened. Performed 27310 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27310 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-09 06:32:53,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:53,929 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:32:53,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:32:53,929 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:32:53,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:53,938 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:32:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:54,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:32:54,023 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 06:32:54,023 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:32:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-09 06:32:54,132 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:32:54,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2018-12-09 06:32:54,133 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:54,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:32:54,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:32:54,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:32:54,133 INFO L87 Difference]: Start difference. First operand 2896 states and 3420 transitions. Second operand 3 states. [2018-12-09 06:32:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:54,193 INFO L93 Difference]: Finished difference Result 3282 states and 3892 transitions. [2018-12-09 06:32:54,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:32:54,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-12-09 06:32:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:54,198 INFO L225 Difference]: With dead ends: 3282 [2018-12-09 06:32:54,198 INFO L226 Difference]: Without dead ends: 1217 [2018-12-09 06:32:54,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:32:54,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2018-12-09 06:32:54,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1176. [2018-12-09 06:32:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2018-12-09 06:32:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1348 transitions. [2018-12-09 06:32:54,265 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1348 transitions. Word has length 174 [2018-12-09 06:32:54,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:54,265 INFO L480 AbstractCegarLoop]: Abstraction has 1176 states and 1348 transitions. [2018-12-09 06:32:54,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:32:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1348 transitions. [2018-12-09 06:32:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 06:32:54,268 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:32:54,268 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:32:54,268 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:32:54,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:54,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1276632465, now seen corresponding path program 1 times [2018-12-09 06:32:54,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:32:54,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:54,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:54,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:32:54,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:32:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 06:32:54,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:32:54,378 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:32:54,379 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-09 06:32:54,379 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [207], [210], [214], [220], [221], [222], [225], [229], [230], [234], [237], [239], [242], [249], [252], [255], [259], [260], [263], [266], [268], [274], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [294], [295], [296], [297], [298], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [322], [323], [324], [326], [327], [332], [333], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [348], [349], [350], [351], [354], [355], [356], [357] [2018-12-09 06:32:54,380 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:32:54,381 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:32:55,173 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:32:55,173 INFO L272 AbstractInterpreter]: Visited 141 different actions 751 times. Merged at 20 different actions 61 times. Never widened. Performed 25084 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25084 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-09 06:32:55,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:32:55,174 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:32:55,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:32:55,174 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:32:55,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:32:55,183 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:32:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:32:55,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:32:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 06:32:55,354 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:32:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 06:32:55,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 06:32:55,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 06:32:55,639 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:32:55,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 06:32:55,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 06:32:55,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 06:32:55,640 INFO L87 Difference]: Start difference. First operand 1176 states and 1348 transitions. Second operand 8 states. [2018-12-09 06:32:55,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:32:55,780 INFO L93 Difference]: Finished difference Result 2098 states and 2417 transitions. [2018-12-09 06:32:55,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 06:32:55,780 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2018-12-09 06:32:55,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:32:55,780 INFO L225 Difference]: With dead ends: 2098 [2018-12-09 06:32:55,780 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 06:32:55,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 06:32:55,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 06:32:55,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 06:32:55,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 06:32:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 06:32:55,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-12-09 06:32:55,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:32:55,783 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:32:55,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 06:32:55,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 06:32:55,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 06:32:55,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 06:32:55,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:55,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:32:56,629 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 55 [2018-12-09 06:32:57,084 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2018-12-09 06:32:57,377 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 60 [2018-12-09 06:32:57,946 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2018-12-09 06:32:58,635 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2018-12-09 06:32:59,272 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2018-12-09 06:32:59,438 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 42 [2018-12-09 06:32:59,533 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 06:32:59,533 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 06:32:59,533 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 06:32:59,533 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 06:32:59,533 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 06:32:59,533 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,533 INFO L444 ceAbstractionStarter]: At program point L993-1(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,533 INFO L448 ceAbstractionStarter]: For program point L991(lines 991 998) no Hoare annotation was computed. [2018-12-09 06:32:59,533 INFO L448 ceAbstractionStarter]: For program point L991-1(lines 991 998) no Hoare annotation was computed. [2018-12-09 06:32:59,533 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 981 1003) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point L989(line 989) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L444 ceAbstractionStarter]: At program point L988(line 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,534 INFO L444 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,534 INFO L444 ceAbstractionStarter]: At program point L987-1(line 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 981 1003) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 981 1003) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (and (not (= ~systemActive~0 0)) .cse1) (or (= ~waterLevel~0 1) (= |old(~systemActive~0)| 0))) (or .cse0 (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))))) [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or (not .cse3) .cse0 (= 0 ~systemActive~0) .cse1) (or .cse4 (and (not (= ~systemActive~0 0)) .cse2) (or (= ~waterLevel~0 1) .cse3)) (or .cse4 (and (= ~systemActive~0 1) .cse2) (not (= |old(~systemActive~0)| 1))))) [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 486 500) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 403 411) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 403 411) the Hoare annotation is: true [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 403 411) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-12-09 06:32:59,534 INFO L451 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2018-12-09 06:32:59,534 INFO L448 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 06:32:59,535 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 970 980) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,535 INFO L444 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 970 980) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 970 980) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 392 402) the Hoare annotation is: true [2018-12-09 06:32:59,535 INFO L451 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: true [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point L397-1(line 397) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 392 402) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 392 402) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 384 391) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 .cse1 (or (= ~waterLevel~0 1) (= ~systemActive~0 0))))) [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 384 391) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 384 391) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 351 375) no Hoare annotation was computed. [2018-12-09 06:32:59,535 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 351 375) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse1) (or (or .cse5 .cse2 .cse4) .cse1))) [2018-12-09 06:32:59,536 INFO L444 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse1) (or .cse6 .cse2 .cse4) (or .cse6 .cse5 .cse2))) [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 351 375) no Hoare annotation was computed. [2018-12-09 06:32:59,536 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse1))) [2018-12-09 06:32:59,536 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or .cse6 .cse0 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) .cse5) .cse4 .cse6 .cse1))) [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 367) no Hoare annotation was computed. [2018-12-09 06:32:59,536 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 .cse4 .cse3 .cse5))) [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 372) no Hoare annotation was computed. [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-12-09 06:32:59,536 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 291 297) no Hoare annotation was computed. [2018-12-09 06:32:59,536 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 291 297) the Hoare annotation is: true [2018-12-09 06:32:59,536 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 192 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,536 INFO L444 ceAbstractionStarter]: At program point L250(lines 201 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 06:32:59,536 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 192 257) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (and .cse1 (not (= ~systemActive~0 0)) (not (= ~waterLevel~0 1)) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 (= ~systemActive~0 1) .cse0))) [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 244) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L444 ceAbstractionStarter]: At program point L238-1(lines 232 245) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~systemActive~0)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point L203(lines 202 249) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 245) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L444 ceAbstractionStarter]: At program point L247(lines 202 249) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 06:32:59,537 INFO L444 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 218) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point L212-1(lines 212 218) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 192 257) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-12-09 06:32:59,537 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-12-09 06:32:59,537 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~systemActive~0 0))))) [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point L890(lines 890 900) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 1))) (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= ~systemActive~0 0))) (.cse7 (not .cse2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 .cse7 .cse4) (or .cse6 .cse3 .cse8) (or .cse9 (or .cse6 .cse8)) (or .cse5 .cse6 .cse9 .cse7 .cse4) (or .cse0 .cse3 .cse8)))) [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 903) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point L886-1(lines 878 906) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L444 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4)))) [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point L884-1(line 884) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 878 906) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4)))) [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 878 906) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 870 877) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 870 877) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 870 877) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 376 383) no Hoare annotation was computed. [2018-12-09 06:32:59,538 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 376 383) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 376 383) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 448 466) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L451 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: true [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point L457-2(lines 457 461) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point L455-1(line 455) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 448 466) the Hoare annotation is: true [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 448 466) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse5 (< ~pumpRunning~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse5 .cse2 .cse3 .cse4)) (or .cse6 .cse0 .cse2 .cse3 .cse7) (or .cse6 .cse7 (or .cse5 .cse2)) (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse3 .cse4))) [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 909 938) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 909 938) the Hoare annotation is: true [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L451 ceAbstractionStarter]: At program point L923-1(lines 923 927) the Hoare annotation is: true [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L451 ceAbstractionStarter]: At program point L919-2(lines 919 933) the Hoare annotation is: true [2018-12-09 06:32:59,539 INFO L451 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: true [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point L915-1(line 915) no Hoare annotation was computed. [2018-12-09 06:32:59,539 INFO L451 ceAbstractionStarter]: At program point L934(lines 909 938) the Hoare annotation is: true [2018-12-09 06:32:59,539 INFO L448 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2018-12-09 06:32:59,540 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse10 (not (= ~waterLevel~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse9)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse13 (<= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse0 .cse1 .cse3 .cse5 (and .cse8 .cse6)) (or .cse0 .cse9 .cse1 .cse3 .cse10 .cse5) (or .cse9 .cse1 (and .cse10 .cse8 .cse6) .cse3 .cse5 .cse11) (or .cse7 .cse12 .cse0 .cse3 .cse5 .cse13) (or .cse1 (and .cse2 .cse8 .cse6) .cse3 .cse4 .cse5 .cse11) (or .cse12 .cse0 .cse1 .cse3 .cse5 .cse13) (or .cse6 (or .cse7 .cse3 .cse11)) (or .cse0 .cse8 (or .cse7 .cse3 .cse5)) (or .cse13 (or .cse7 .cse12 .cse3 .cse11)) (or .cse12 .cse1 .cse13 .cse3 .cse5 .cse11) (or .cse1 (not (= ~systemActive~0 0)))))) [2018-12-09 06:32:59,540 INFO L444 ceAbstractionStarter]: At program point L278(lines 278 284) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse13 (<= ~waterLevel~0 0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse14 (and .cse13 .cse7)) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (< |old(~pumpRunning~0)| 1)) (.cse15 (= 0 ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse16 (and (= 1 ~waterLevel~0) .cse6)) (.cse8 (not (= ~systemActive~0 1))) (.cse17 (not .cse0)) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (and .cse5 .cse3 .cse6) .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse3 .cse8 .cse9 .cse10) (or .cse11 .cse12 .cse4 .cse8 .cse9 .cse13) (or .cse2 (or .cse12 .cse1) .cse13) (or .cse1 .cse7 .cse8 .cse9 .cse10 (and .cse5 .cse3)) (or .cse1 .cse2 .cse7) (or .cse12 .cse1 .cse8 .cse14 .cse9 .cse10) (or .cse13 (or .cse11 .cse12 .cse8 .cse10)) (or .cse7 .cse15 (or .cse11 .cse8 .cse10)) (or .cse12 .cse4 .cse1 .cse14 .cse8 .cse9) (or .cse16 .cse1 .cse2 .cse17 .cse9) (or .cse4 (or .cse11 .cse8) .cse15) (or .cse4 .cse0 .cse1 .cse3 .cse8 .cse9) (or .cse4 .cse1 .cse16 .cse8 .cse17 .cse9) (or .cse1 .cse16 .cse8 .cse17 .cse9 .cse10)))) [2018-12-09 06:32:59,540 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (<= ~waterLevel~0 0)) (.cse7 (< 0 |old(~waterLevel~0)|)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse3 .cse5 .cse6) (or .cse1 (or .cse2 .cse3 .cse6)) (or .cse2 .cse7 .cse0 .cse8 .cse3 .cse5) (or .cse8 (or .cse2 .cse7 .cse3 .cse6)) (or .cse0 .cse4 .cse3 .cse5) (or .cse4 (not (= ~systemActive~0 0))) (or (= 0 ~methAndRunningLastTime~0) .cse0 (or .cse2 .cse3 .cse5)))) [2018-12-09 06:32:59,540 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 267 290) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse10 (not (= ~waterLevel~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse8)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= ~systemActive~0 0))) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (<= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse8 .cse1 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse5 (and .cse11 .cse6)) (or .cse0 .cse8 .cse1 .cse3 .cse10 .cse5) (or .cse8 .cse1 (and .cse10 .cse11 .cse6) .cse3 .cse5 .cse12) (or .cse7 .cse13 .cse0 .cse3 .cse5 .cse14) (or .cse1 (and .cse2 .cse11 .cse6) .cse3 .cse4 .cse5 .cse12) (or .cse9 (or .cse13 .cse1) .cse14) (or .cse2 .cse1 .cse9 .cse4 .cse5) (or .cse1 .cse9 .cse6) (or .cse13 .cse0 .cse1 .cse3 .cse5 .cse14) (or .cse6 (or .cse7 .cse3 .cse12)) (or .cse0 .cse11 (or .cse7 .cse3 .cse5)) (or .cse1 .cse9 .cse5 .cse11) (or .cse14 (or .cse7 .cse13 .cse3 .cse12)) (or .cse13 .cse1 .cse14 .cse3 .cse5 .cse12)))) [2018-12-09 06:32:59,540 INFO L448 ceAbstractionStarter]: For program point L271(lines 270 289) no Hoare annotation was computed. [2018-12-09 06:32:59,540 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 267 290) no Hoare annotation was computed. [2018-12-09 06:32:59,540 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 267 290) no Hoare annotation was computed. [2018-12-09 06:32:59,540 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-12-09 06:32:59,540 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-12-09 06:32:59,540 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-12-09 06:32:59,540 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse1 (< ~pumpRunning~0 1)) (.cse2 (< 0 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 (or .cse3 (not (= ~methaneLevelCritical~0 0))))) (or .cse1 .cse2 (< ~methaneLevelCritical~0 1) .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 06:32:59,540 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-12-09 06:32:59,540 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-12-09 06:32:59,540 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 963 969) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 963 969) the Hoare annotation is: true [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-09 06:32:59,541 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 299 323) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) .cse1))) [2018-12-09 06:32:59,541 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point L318-1(lines 299 323) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 299 323) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or .cse2 (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4) (or .cse3 .cse0 .cse4 .cse1 .cse2))) [2018-12-09 06:32:59,541 INFO L444 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (let ((.cse5 (< 0 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse3) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse1 .cse3))) [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 315) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L444 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4))) [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point L305-1(line 305) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 320) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-12-09 06:32:59,541 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 (or .cse4 .cse6) .cse3) (or (< ~pumpRunning~0 1) .cse0 (or .cse6 .cse7) .cse2 .cse3) (or .cse8 .cse4 .cse1 .cse9 .cse3) (or .cse4 .cse8 .cse6 .cse9 .cse3 .cse7) (or .cse5 .cse4 .cse8 .cse6 .cse9 .cse3) (or .cse0 .cse2 (or .cse4 .cse6 .cse7) .cse3))) [2018-12-09 06:32:59,542 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1005 1012) no Hoare annotation was computed. [2018-12-09 06:32:59,542 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2018-12-09 06:32:59,542 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1005 1012) the Hoare annotation is: true [2018-12-09 06:32:59,542 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1005 1012) no Hoare annotation was computed. [2018-12-09 06:32:59,542 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 325 349) no Hoare annotation was computed. [2018-12-09 06:32:59,542 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 325 349) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) .cse1))) [2018-12-09 06:32:59,542 INFO L444 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4))) [2018-12-09 06:32:59,542 INFO L448 ceAbstractionStarter]: For program point L344-1(lines 325 349) no Hoare annotation was computed. [2018-12-09 06:32:59,542 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-09 06:32:59,542 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-09 06:32:59,542 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 341) no Hoare annotation was computed. [2018-12-09 06:32:59,542 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-09 06:32:59,542 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-09 06:32:59,542 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 346) no Hoare annotation was computed. [2018-12-09 06:32:59,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:32:59 BoogieIcfgContainer [2018-12-09 06:32:59,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:32:59,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:32:59,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:32:59,551 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:32:59,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:32:47" (3/4) ... [2018-12-09 06:32:59,553 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 06:32:59,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 06:32:59,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 06:32:59,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 06:32:59,563 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 06:32:59,563 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 06:32:59,563 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 06:32:59,563 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 06:32:59,563 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 06:32:59,564 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 06:32:59,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || (((0 == pumpRunning && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 06:32:59,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 06:32:59,605 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6bdf288-06e7-47b5-b53e-c6b7f98f03a9/bin-2019/utaipan/witness.graphml [2018-12-09 06:32:59,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:32:59,605 INFO L168 Benchmark]: Toolchain (without parser) took 12691.51 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 933.8 MB). Free memory was 954.9 MB in the beginning and 1.3 GB in the end (delta: -332.2 MB). Peak memory consumption was 601.6 MB. Max. memory is 11.5 GB. [2018-12-09 06:32:59,606 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:32:59,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-09 06:32:59,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:32:59,606 INFO L168 Benchmark]: Boogie Preprocessor took 22.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:32:59,606 INFO L168 Benchmark]: RCFGBuilder took 342.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. [2018-12-09 06:32:59,606 INFO L168 Benchmark]: TraceAbstraction took 11962.19 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 796.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -252.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 06:32:59,606 INFO L168 Benchmark]: Witness Printer took 54.29 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-09 06:32:59,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 342.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11962.19 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 796.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -252.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 54.29 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1009]: 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: 201]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || (((0 == pumpRunning && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 167 locations, 1 error locations. SAFE Result, 11.9s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2748 SDtfs, 1331 SDslu, 5477 SDs, 0 SdLazy, 1282 SolverSat, 200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1452 GetRequests, 1359 SyntacticMatches, 14 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3617occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 857 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 5931 PreInvPairs, 6101 NumberOfFragments, 3830 HoareAnnotationTreeSize, 5931 FomulaSimplifications, 8168 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 70 FomulaSimplificationsInter, 18312 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2005 NumberOfCodeBlocks, 2005 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2655 ConstructedInterpolants, 0 QuantifiedInterpolants, 543597 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3718 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 21 InterpolantComputations, 15 PerfectInterpolantSequences, 626/678 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...