./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37_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_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/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 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:41:21,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:41:21,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:41:21,229 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:41:21,229 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:41:21,230 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:41:21,231 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:41:21,232 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:41:21,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:41:21,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:41:21,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:41:21,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:41:21,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:41:21,234 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:41:21,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:41:21,235 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:41:21,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:41:21,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:41:21,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:41:21,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:41:21,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:41:21,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:41:21,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:41:21,241 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:41:21,241 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:41:21,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:41:21,242 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:41:21,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:41:21,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:41:21,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:41:21,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:41:21,244 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:41:21,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:41:21,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:41:21,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:41:21,245 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:41:21,245 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 07:41:21,253 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:41:21,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:41:21,254 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:41:21,254 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:41:21,254 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:41:21,254 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:41:21,254 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:41:21,254 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 07:41:21,254 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:41:21,255 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:41:21,255 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 07:41:21,255 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 07:41:21,255 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:41:21,255 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:41:21,255 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:41:21,255 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:41:21,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:41:21,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:41:21,257 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:41:21,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:41:21,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:41:21,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:41:21,257 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:41:21,257 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 07:41:21,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:41:21,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:41:21,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 07:41:21,257 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_aeb1b4d2-d16d-4476-9407-76995abee5e5/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 -> 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 [2018-12-02 07:41:21,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:41:21,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:41:21,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:41:21,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:41:21,288 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:41:21,289 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-02 07:41:21,331 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/data/0973106b0/590d7d0a0e5c4c369475fc1512b37db3/FLAGae8431145 [2018-12-02 07:41:21,761 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:41:21,762 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-02 07:41:21,768 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/data/0973106b0/590d7d0a0e5c4c369475fc1512b37db3/FLAGae8431145 [2018-12-02 07:41:21,776 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/data/0973106b0/590d7d0a0e5c4c369475fc1512b37db3 [2018-12-02 07:41:21,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:41:21,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:41:21,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:41:21,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:41:21,781 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:41:21,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:41:21" (1/1) ... [2018-12-02 07:41:21,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:21, skipping insertion in model container [2018-12-02 07:41:21,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:41:21" (1/1) ... [2018-12-02 07:41:21,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:41:21,807 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:41:21,952 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:41:21,960 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:41:22,035 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:41:22,051 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:41:22,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22 WrapperNode [2018-12-02 07:41:22,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:41:22,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:41:22,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:41:22,052 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:41:22,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:41:22,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:41:22,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:41:22,072 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:41:22,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... [2018-12-02 07:41:22,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:41:22,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:41:22,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:41:22,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:41:22,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/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 [2018-12-02 07:41:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 07:41:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 07:41:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:41:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:41:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:41:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 07:41:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 07:41:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 07:41:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 07:41:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 07:41:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 07:41:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 07:41:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 07:41:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 07:41:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 07:41:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 07:41:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 07:41:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 07:41:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 07:41:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 07:41:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 07:41:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 07:41:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 07:41:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 07:41:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 07:41:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 07:41:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 07:41:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 07:41:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 07:41:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 07:41:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 07:41:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 07:41:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 07:41:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 07:41:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 07:41:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 07:41:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 07:41:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-02 07:41:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-02 07:41:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-02 07:41:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-02 07:41:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-02 07:41:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-02 07:41:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 07:41:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 07:41:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 07:41:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 07:41:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 07:41:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 07:41:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 07:41:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 07:41:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 07:41:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:41:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:41:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 07:41:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 07:41:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 07:41:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 07:41:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:41:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:41:22,436 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:41:22,436 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 07:41:22,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:41:22 BoogieIcfgContainer [2018-12-02 07:41:22,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:41:22,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:41:22,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:41:22,439 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:41:22,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:41:21" (1/3) ... [2018-12-02 07:41:22,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7657ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:41:22, skipping insertion in model container [2018-12-02 07:41:22,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:22" (2/3) ... [2018-12-02 07:41:22,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7657ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:41:22, skipping insertion in model container [2018-12-02 07:41:22,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:41:22" (3/3) ... [2018-12-02 07:41:22,441 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-02 07:41:22,446 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:41:22,451 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:41:22,460 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:41:22,479 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:41:22,480 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:41:22,480 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:41:22,480 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:41:22,480 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:41:22,480 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:41:22,480 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:41:22,480 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:41:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-12-02 07:41:22,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 07:41:22,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:22,497 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:22,499 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:22,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:22,502 INFO L82 PathProgramCache]: Analyzing trace with hash 343582345, now seen corresponding path program 1 times [2018-12-02 07:41:22,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:22,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:22,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:22,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:22,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:41:22,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:22,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 07:41:22,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:22,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 07:41:22,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 07:41:22,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:41:22,660 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-12-02 07:41:22,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:22,687 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-12-02 07:41:22,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 07:41:22,688 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-02 07:41:22,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:22,696 INFO L225 Difference]: With dead ends: 268 [2018-12-02 07:41:22,696 INFO L226 Difference]: Without dead ends: 136 [2018-12-02 07:41:22,698 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 [2018-12-02 07:41:22,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-02 07:41:22,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-02 07:41:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-02 07:41:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2018-12-02 07:41:22,731 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2018-12-02 07:41:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:22,731 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2018-12-02 07:41:22,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 07:41:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2018-12-02 07:41:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 07:41:22,733 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:22,733 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:22,733 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:22,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:22,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1908109699, now seen corresponding path program 1 times [2018-12-02 07:41:22,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:22,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:22,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:22,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:22,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:41:22,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:22,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:41:22,858 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:22,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:41:22,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:41:22,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:41:22,860 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 7 states. [2018-12-02 07:41:23,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:23,034 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2018-12-02 07:41:23,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 07:41:23,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-02 07:41:23,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:23,036 INFO L225 Difference]: With dead ends: 244 [2018-12-02 07:41:23,036 INFO L226 Difference]: Without dead ends: 136 [2018-12-02 07:41:23,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:41:23,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-02 07:41:23,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-02 07:41:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-02 07:41:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2018-12-02 07:41:23,051 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 64 [2018-12-02 07:41:23,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:23,053 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2018-12-02 07:41:23,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:41:23,053 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2018-12-02 07:41:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 07:41:23,055 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:23,055 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:23,055 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:23,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:23,055 INFO L82 PathProgramCache]: Analyzing trace with hash 436251940, now seen corresponding path program 1 times [2018-12-02 07:41:23,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:23,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:23,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:23,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:23,056 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:41:23,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:23,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 07:41:23,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:23,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:41:23,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:41:23,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:41:23,102 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 3 states. [2018-12-02 07:41:23,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:23,113 INFO L93 Difference]: Finished difference Result 217 states and 251 transitions. [2018-12-02 07:41:23,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:41:23,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-12-02 07:41:23,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:23,115 INFO L225 Difference]: With dead ends: 217 [2018-12-02 07:41:23,115 INFO L226 Difference]: Without dead ends: 127 [2018-12-02 07:41:23,116 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 [2018-12-02 07:41:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-02 07:41:23,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-02 07:41:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-02 07:41:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2018-12-02 07:41:23,125 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 73 [2018-12-02 07:41:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:23,126 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2018-12-02 07:41:23,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:41:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2018-12-02 07:41:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 07:41:23,128 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:23,128 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:23,128 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:23,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:23,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1156819935, now seen corresponding path program 1 times [2018-12-02 07:41:23,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:23,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:23,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:23,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:23,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:41:23,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:23,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 07:41:23,199 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:23,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 07:41:23,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 07:41:23,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 07:41:23,200 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 5 states. [2018-12-02 07:41:23,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:23,496 INFO L93 Difference]: Finished difference Result 327 states and 395 transitions. [2018-12-02 07:41:23,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:41:23,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-12-02 07:41:23,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:23,497 INFO L225 Difference]: With dead ends: 327 [2018-12-02 07:41:23,497 INFO L226 Difference]: Without dead ends: 228 [2018-12-02 07:41:23,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:41:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-12-02 07:41:23,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2018-12-02 07:41:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-12-02 07:41:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2018-12-02 07:41:23,514 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 77 [2018-12-02 07:41:23,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:23,514 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2018-12-02 07:41:23,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 07:41:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2018-12-02 07:41:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 07:41:23,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:23,516 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:23,516 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:23,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:23,517 INFO L82 PathProgramCache]: Analyzing trace with hash -868280581, now seen corresponding path program 1 times [2018-12-02 07:41:23,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:23,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:23,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:23,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:23,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:23,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 07:41:23,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:23,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:41:23,593 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:23,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:41:23,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:41:23,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:41:23,594 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 7 states. [2018-12-02 07:41:23,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:23,946 INFO L93 Difference]: Finished difference Result 409 states and 485 transitions. [2018-12-02 07:41:23,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 07:41:23,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-12-02 07:41:23,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:23,947 INFO L225 Difference]: With dead ends: 409 [2018-12-02 07:41:23,948 INFO L226 Difference]: Without dead ends: 227 [2018-12-02 07:41:23,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 07:41:23,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-02 07:41:23,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-12-02 07:41:23,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-12-02 07:41:23,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-12-02 07:41:23,959 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 91 [2018-12-02 07:41:23,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:23,959 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-12-02 07:41:23,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:41:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-12-02 07:41:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 07:41:23,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:23,960 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:23,960 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:23,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:23,960 INFO L82 PathProgramCache]: Analyzing trace with hash -412314374, now seen corresponding path program 1 times [2018-12-02 07:41:23,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:23,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:23,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:23,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:23,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:41:24,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:24,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:41:24,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:24,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:41:24,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:41:24,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:41:24,012 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-12-02 07:41:24,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:24,054 INFO L93 Difference]: Finished difference Result 395 states and 458 transitions. [2018-12-02 07:41:24,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 07:41:24,055 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-12-02 07:41:24,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:24,056 INFO L225 Difference]: With dead ends: 395 [2018-12-02 07:41:24,056 INFO L226 Difference]: Without dead ends: 214 [2018-12-02 07:41:24,057 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 [2018-12-02 07:41:24,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-12-02 07:41:24,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-12-02 07:41:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-12-02 07:41:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2018-12-02 07:41:24,066 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 92 [2018-12-02 07:41:24,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:24,066 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2018-12-02 07:41:24,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:41:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2018-12-02 07:41:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 07:41:24,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:24,067 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:24,067 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:24,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:24,068 INFO L82 PathProgramCache]: Analyzing trace with hash 289285500, now seen corresponding path program 1 times [2018-12-02 07:41:24,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:24,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:24,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:24,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:24,069 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:41:24,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:24,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 07:41:24,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:24,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 07:41:24,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 07:41:24,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:41:24,110 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 8 states. [2018-12-02 07:41:24,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:24,133 INFO L93 Difference]: Finished difference Result 407 states and 475 transitions. [2018-12-02 07:41:24,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 07:41:24,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-12-02 07:41:24,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:24,135 INFO L225 Difference]: With dead ends: 407 [2018-12-02 07:41:24,135 INFO L226 Difference]: Without dead ends: 221 [2018-12-02 07:41:24,136 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 [2018-12-02 07:41:24,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-12-02 07:41:24,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2018-12-02 07:41:24,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-12-02 07:41:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 247 transitions. [2018-12-02 07:41:24,149 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 247 transitions. Word has length 92 [2018-12-02 07:41:24,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:24,149 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 247 transitions. [2018-12-02 07:41:24,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 07:41:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 247 transitions. [2018-12-02 07:41:24,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 07:41:24,150 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:24,150 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:24,151 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:24,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:24,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2014766397, now seen corresponding path program 1 times [2018-12-02 07:41:24,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:24,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:24,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:24,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:24,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:41:24,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:24,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 07:41:24,215 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:24,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 07:41:24,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 07:41:24,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:41:24,216 INFO L87 Difference]: Start difference. First operand 218 states and 247 transitions. Second operand 4 states. [2018-12-02 07:41:24,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:24,334 INFO L93 Difference]: Finished difference Result 633 states and 754 transitions. [2018-12-02 07:41:24,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 07:41:24,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2018-12-02 07:41:24,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:24,335 INFO L225 Difference]: With dead ends: 633 [2018-12-02 07:41:24,335 INFO L226 Difference]: Without dead ends: 443 [2018-12-02 07:41:24,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:41:24,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-12-02 07:41:24,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 434. [2018-12-02 07:41:24,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-12-02 07:41:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 506 transitions. [2018-12-02 07:41:24,352 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 506 transitions. Word has length 92 [2018-12-02 07:41:24,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:24,352 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 506 transitions. [2018-12-02 07:41:24,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 07:41:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 506 transitions. [2018-12-02 07:41:24,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-02 07:41:24,353 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:24,353 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:41:24,353 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:24,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:24,353 INFO L82 PathProgramCache]: Analyzing trace with hash 33539639, now seen corresponding path program 1 times [2018-12-02 07:41:24,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:24,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:24,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:24,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:24,354 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:41:24,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:24,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 07:41:24,438 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:24,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 07:41:24,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 07:41:24,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:41:24,438 INFO L87 Difference]: Start difference. First operand 434 states and 506 transitions. Second operand 9 states. [2018-12-02 07:41:24,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:24,929 INFO L93 Difference]: Finished difference Result 1133 states and 1386 transitions. [2018-12-02 07:41:24,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 07:41:24,929 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-12-02 07:41:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:24,932 INFO L225 Difference]: With dead ends: 1133 [2018-12-02 07:41:24,932 INFO L226 Difference]: Without dead ends: 795 [2018-12-02 07:41:24,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-02 07:41:24,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-12-02 07:41:24,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 722. [2018-12-02 07:41:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2018-12-02 07:41:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 832 transitions. [2018-12-02 07:41:24,963 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 832 transitions. Word has length 96 [2018-12-02 07:41:24,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:24,963 INFO L480 AbstractCegarLoop]: Abstraction has 722 states and 832 transitions. [2018-12-02 07:41:24,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 07:41:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 832 transitions. [2018-12-02 07:41:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 07:41:24,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:24,965 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] [2018-12-02 07:41:24,965 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:24,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:24,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1455453004, now seen corresponding path program 1 times [2018-12-02 07:41:24,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:24,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:24,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:24,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:24,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 07:41:25,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:41:25,078 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:41:25,078 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-02 07:41:25,080 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-12-02 07:41:25,103 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:41:25,103 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:41:26,047 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:41:26,048 INFO L272 AbstractInterpreter]: Visited 123 different actions 518 times. Merged at 15 different actions 42 times. Never widened. Performed 18094 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-02 07:41:26,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:26,055 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:41:26,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:41:26,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/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 [2018-12-02 07:41:26,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:26,061 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:41:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:26,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:41:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:41:26,233 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:41:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 07:41:26,436 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:41:26,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-02 07:41:26,437 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:41:26,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 07:41:26,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 07:41:26,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-02 07:41:26,437 INFO L87 Difference]: Start difference. First operand 722 states and 832 transitions. Second operand 16 states. [2018-12-02 07:41:26,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:26,978 INFO L93 Difference]: Finished difference Result 1616 states and 1943 transitions. [2018-12-02 07:41:26,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-02 07:41:26,979 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2018-12-02 07:41:26,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:26,981 INFO L225 Difference]: With dead ends: 1616 [2018-12-02 07:41:26,981 INFO L226 Difference]: Without dead ends: 988 [2018-12-02 07:41:26,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 302 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-02 07:41:26,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-12-02 07:41:27,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 868. [2018-12-02 07:41:27,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2018-12-02 07:41:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1012 transitions. [2018-12-02 07:41:27,013 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1012 transitions. Word has length 155 [2018-12-02 07:41:27,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:27,013 INFO L480 AbstractCegarLoop]: Abstraction has 868 states and 1012 transitions. [2018-12-02 07:41:27,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 07:41:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1012 transitions. [2018-12-02 07:41:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-02 07:41:27,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:27,016 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 07:41:27,016 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:27,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:27,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1857414876, now seen corresponding path program 1 times [2018-12-02 07:41:27,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:27,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:27,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:27,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:27,017 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-02 07:41:27,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:41:27,128 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:41:27,128 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 274 with the following transitions: [2018-12-02 07:41:27,129 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [240], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-12-02 07:41:27,131 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:41:27,131 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:41:27,919 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:41:27,919 INFO L272 AbstractInterpreter]: Visited 125 different actions 654 times. Merged at 17 different actions 55 times. Never widened. Performed 21167 root evaluator evaluations with a maximum evaluation depth of 3. Performed 21167 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-02 07:41:27,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:27,926 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:41:27,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:41:27,926 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/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 [2018-12-02 07:41:27,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:27,934 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:41:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:28,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:41:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 199 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-02 07:41:28,157 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:41:28,594 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-02 07:41:28,609 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:41:28,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-12-02 07:41:28,610 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:41:28,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 07:41:28,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 07:41:28,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2018-12-02 07:41:28,610 INFO L87 Difference]: Start difference. First operand 868 states and 1012 transitions. Second operand 19 states. [2018-12-02 07:41:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:30,909 INFO L93 Difference]: Finished difference Result 3182 states and 4481 transitions. [2018-12-02 07:41:30,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-12-02 07:41:30,909 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 273 [2018-12-02 07:41:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:30,915 INFO L225 Difference]: With dead ends: 3182 [2018-12-02 07:41:30,915 INFO L226 Difference]: Without dead ends: 2350 [2018-12-02 07:41:30,918 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 538 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=760, Invalid=3932, Unknown=0, NotChecked=0, Total=4692 [2018-12-02 07:41:30,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2018-12-02 07:41:30,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 1635. [2018-12-02 07:41:30,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-12-02 07:41:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1842 transitions. [2018-12-02 07:41:30,985 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1842 transitions. Word has length 273 [2018-12-02 07:41:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:30,985 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 1842 transitions. [2018-12-02 07:41:30,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 07:41:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1842 transitions. [2018-12-02 07:41:30,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-02 07:41:30,988 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:30,988 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:41:30,989 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:30,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:30,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1354066118, now seen corresponding path program 1 times [2018-12-02 07:41:30,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:30,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:30,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:30,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:30,990 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-02 07:41:31,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:41:31,144 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:41:31,144 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-12-02 07:41:31,144 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [158], [160], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-12-02 07:41:31,147 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:41:31,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:41:32,525 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:41:32,525 INFO L272 AbstractInterpreter]: Visited 134 different actions 1081 times. Merged at 23 different actions 130 times. Widened at 1 different actions 1 times. Performed 41676 root evaluator evaluations with a maximum evaluation depth of 3. Performed 41676 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 36 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-02 07:41:32,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:32,528 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:41:32,528 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:41:32,528 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/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 [2018-12-02 07:41:32,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:32,535 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:41:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:32,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:41:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 233 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-02 07:41:32,715 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:41:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-02 07:41:33,076 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:41:33,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2018-12-02 07:41:33,076 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:41:33,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-02 07:41:33,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-02 07:41:33,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 07:41:33,077 INFO L87 Difference]: Start difference. First operand 1635 states and 1842 transitions. Second operand 20 states. [2018-12-02 07:41:33,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:33,841 INFO L93 Difference]: Finished difference Result 3086 states and 3495 transitions. [2018-12-02 07:41:33,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 07:41:33,841 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 289 [2018-12-02 07:41:33,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:33,847 INFO L225 Difference]: With dead ends: 3086 [2018-12-02 07:41:33,847 INFO L226 Difference]: Without dead ends: 1639 [2018-12-02 07:41:33,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 573 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2018-12-02 07:41:33,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2018-12-02 07:41:33,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1635. [2018-12-02 07:41:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-12-02 07:41:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1837 transitions. [2018-12-02 07:41:33,981 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1837 transitions. Word has length 289 [2018-12-02 07:41:33,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:33,981 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 1837 transitions. [2018-12-02 07:41:33,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-02 07:41:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1837 transitions. [2018-12-02 07:41:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-02 07:41:33,984 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:33,984 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:41:33,985 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:33,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:33,985 INFO L82 PathProgramCache]: Analyzing trace with hash 800919447, now seen corresponding path program 1 times [2018-12-02 07:41:33,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:33,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:33,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:33,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:33,985 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-02 07:41:34,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:41:34,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:41:34,120 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-12-02 07:41:34,120 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [24], [27], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [158], [160], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-12-02 07:41:34,122 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:41:34,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:41:35,448 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:41:35,448 INFO L272 AbstractInterpreter]: Visited 135 different actions 1161 times. Merged at 24 different actions 156 times. Widened at 1 different actions 1 times. Performed 42780 root evaluator evaluations with a maximum evaluation depth of 3. Performed 42780 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 52 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-02 07:41:35,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:35,449 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:41:35,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:41:35,449 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/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 [2018-12-02 07:41:35,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:35,455 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:41:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:35,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:41:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-02 07:41:35,585 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:41:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 94 proven. 27 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-02 07:41:35,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:41:35,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 21 [2018-12-02 07:41:35,957 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:41:35,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 07:41:35,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 07:41:35,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-12-02 07:41:35,958 INFO L87 Difference]: Start difference. First operand 1635 states and 1837 transitions. Second operand 14 states. [2018-12-02 07:41:36,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:36,881 INFO L93 Difference]: Finished difference Result 3504 states and 4272 transitions. [2018-12-02 07:41:36,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 07:41:36,881 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 290 [2018-12-02 07:41:36,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:36,888 INFO L225 Difference]: With dead ends: 3504 [2018-12-02 07:41:36,888 INFO L226 Difference]: Without dead ends: 2589 [2018-12-02 07:41:36,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 572 SyntacticMatches, 22 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2018-12-02 07:41:36,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2018-12-02 07:41:36,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2009. [2018-12-02 07:41:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2018-12-02 07:41:36,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2263 transitions. [2018-12-02 07:41:36,999 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2263 transitions. Word has length 290 [2018-12-02 07:41:36,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:36,999 INFO L480 AbstractCegarLoop]: Abstraction has 2009 states and 2263 transitions. [2018-12-02 07:41:36,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 07:41:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2263 transitions. [2018-12-02 07:41:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-02 07:41:37,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:41:37,005 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:41:37,005 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:41:37,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:41:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash 223433493, now seen corresponding path program 1 times [2018-12-02 07:41:37,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:41:37,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:37,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:41:37,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:41:37,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:41:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:41:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2018-12-02 07:41:37,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:41:37,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 07:41:37,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:41:37,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 07:41:37,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 07:41:37,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:41:37,152 INFO L87 Difference]: Start difference. First operand 2009 states and 2263 transitions. Second operand 8 states. [2018-12-02 07:41:37,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:41:37,372 INFO L93 Difference]: Finished difference Result 3319 states and 3782 transitions. [2018-12-02 07:41:37,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 07:41:37,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 358 [2018-12-02 07:41:37,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:41:37,373 INFO L225 Difference]: With dead ends: 3319 [2018-12-02 07:41:37,373 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 07:41:37,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-02 07:41:37,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 07:41:37,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 07:41:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 07:41:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 07:41:37,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2018-12-02 07:41:37,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:41:37,379 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 07:41:37,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 07:41:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 07:41:37,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:41:37,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 07:41:37,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:37,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,268 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 138 [2018-12-02 07:41:38,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:41:38,673 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 26 [2018-12-02 07:41:39,006 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 33 [2018-12-02 07:41:39,168 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2018-12-02 07:41:39,451 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2018-12-02 07:41:39,583 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2018-12-02 07:41:40,727 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 186 DAG size of output: 69 [2018-12-02 07:41:41,779 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 258 DAG size of output: 55 [2018-12-02 07:41:42,008 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2018-12-02 07:41:42,433 WARN L180 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 48 [2018-12-02 07:41:42,590 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2018-12-02 07:41:42,828 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2018-12-02 07:41:43,010 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 43 [2018-12-02 07:41:43,607 WARN L180 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 39 [2018-12-02 07:41:43,812 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2018-12-02 07:41:43,957 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 29 [2018-12-02 07:41:44,090 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 18 [2018-12-02 07:41:44,557 WARN L180 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 39 [2018-12-02 07:41:44,882 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 26 [2018-12-02 07:41:45,658 WARN L180 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-12-02 07:41:46,710 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 183 DAG size of output: 63 [2018-12-02 07:41:46,892 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2018-12-02 07:41:47,334 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2018-12-02 07:41:47,334 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2018-12-02 07:41:47,334 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2018-12-02 07:41:47,334 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2018-12-02 07:41:47,334 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2018-12-02 07:41:47,334 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-02 07:41:47,334 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2018-12-02 07:41:47,334 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2018-12-02 07:41:47,334 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or (not (= 1 ~pumpRunning~0)) .cse2 .cse1 .cse3 .cse4) (or (or .cse5 .cse1) (or .cse6 .cse0 (< 2 ~waterLevel~0) .cse2)) (or .cse6 (< 1 ~waterLevel~0) .cse0 .cse5 .cse2) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 07:41:47,334 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse2 .cse3 .cse1) (or .cse4 .cse0 .cse1 .cse5 (not .cse3)) (or .cse2 .cse4 .cse1 .cse5))) [2018-12-02 07:41:47,335 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2))) (.cse5 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 .cse2) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse3 .cse4 .cse5 .cse1) (or .cse5 .cse3 .cse6 .cse1 .cse7) (or .cse3 .cse1 .cse7 .cse2) (or .cse5 .cse6 .cse0 .cse1 .cse7 (not .cse4)))) [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 07:41:47,335 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:41:47,335 INFO L444 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2018-12-02 07:41:47,335 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 07:41:47,336 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 07:41:47,336 INFO L444 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2018-12-02 07:41:47,336 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:41:47,336 INFO L451 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2018-12-02 07:41:47,336 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= ~methaneLevelCritical~0 0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2018-12-02 07:41:47,336 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L444 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse0 .cse1) (or .cse2 .cse3 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse0 .cse1))) [2018-12-02 07:41:47,337 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse0 .cse1 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse1 (or .cse0 .cse4 .cse2 .cse3)))) [2018-12-02 07:41:47,337 INFO L444 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse4 (or .cse0 .cse3 .cse1 .cse2)))) [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2018-12-02 07:41:47,337 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2018-12-02 07:41:47,337 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:41:47,337 INFO L444 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:41:47,337 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L444 ceAbstractionStarter]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 1) .cse0 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (let ((.cse3 (<= ~waterLevel~0 2))) (or (and .cse3 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse0))) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L444 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= ~pumpRunning~0 0)) (.cse5 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and (and (= 2 ~waterLevel~0) .cse2) .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse5 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and .cse0 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse5 .cse2) (and (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~waterLevel~0 2) .cse3 .cse2))) [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse3) .cse1 .cse2) (and .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 (and (= 0 ~methaneLevelCritical~0) (and (not (= ~switchedOnBeforeTS~0 0)) .cse3) .cse0)))) [2018-12-02 07:41:47,338 INFO L444 ceAbstractionStarter]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 2)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 0 ~pumpRunning~0) .cse3 .cse4) (and .cse6 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse7 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (or (and .cse6 .cse0 .cse7 .cse3 .cse4) (and .cse6 (and (not (= ~waterLevel~0 1)) (not (= ~switchedOnBeforeTS~0 0)) .cse7 .cse3) .cse0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:41:47,338 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 395 402) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L451 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse7 (= |old(~methaneLevelCritical~0)| 0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= ~waterLevel~0 2)))) (let ((.cse5 (or .cse0 .cse2 .cse9)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse4 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse10 (< 2 ~waterLevel~0))) (and (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse5 .cse4) .cse1) (or .cse6 (or .cse7 .cse5)) (or .cse7 .cse8 .cse2 .cse6 .cse9) (or .cse1 (or .cse10 (or .cse8 .cse2) .cse4)) (or .cse6 (and (or .cse0 .cse7 .cse10 .cse2 .cse3) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse7 .cse10 .cse2)))))) [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2 .cse1) (or .cse0 .cse2 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point L316(lines 312 334) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L448 ceAbstractionStarter]: For program point L314(lines 312 334) no Hoare annotation was computed. [2018-12-02 07:41:47,339 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse4 (and .cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6 .cse7 .cse8) (or .cse4 (or .cse9 (or .cse5 .cse3))) (or .cse2 .cse4 .cse3 .cse8) (or (or .cse10 .cse6) (or .cse0 .cse2 .cse9 .cse3)) (or .cse0 .cse11 .cse2 .cse10 .cse3) (or .cse2 .cse6 .cse3 .cse7 .cse8) (or .cse2 .cse6 .cse3 .cse7 .cse12) (or .cse11 .cse2 .cse3 .cse7 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse7) (or (and (<= ~pumpRunning~0 0) .cse13 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse3 .cse12))))) [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse15 (or .cse13 .cse7)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (and .cse11 .cse12 .cse3 .cse4)) (.cse2 (or (< 2 |old(~waterLevel~0)|) .cse15 (not .cse14))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse10 (or .cse14 .cse15)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and .cse11 .cse3 .cse4)) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse4) .cse1 .cse2) (or .cse5 (or .cse6 .cse7 .cse8)) (or .cse9 .cse5 (and (or .cse6 .cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse6 .cse7))) (or .cse9 .cse10 (and (<= ~waterLevel~0 0) .cse3 .cse4)) (or .cse0 .cse10 .cse11) (or .cse6 .cse7 .cse12 .cse5) (or (or (or .cse7 .cse8) .cse13) (and (= 1 ~waterLevel~0) .cse3 .cse4)))))) [2018-12-02 07:41:47,340 INFO L444 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse19 (= ~systemActive~0 1))) (let ((.cse20 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not .cse19))) (let ((.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (= 0 ~pumpRunning~0)) (.cse15 (< 2 |old(~waterLevel~0)|)) (.cse21 (or .cse11 .cse9)) (.cse18 (not .cse20)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (and .cse6 .cse17 .cse4 .cse5)) (.cse2 (or .cse15 .cse21 .cse18)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse3 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse14 (or .cse20 .cse21)) (.cse16 (and .cse12 (not (= |old(~pumpRunning~0)| 0)) .cse18 .cse13 .cse6 (<= ~waterLevel~0 0) .cse19)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse6 .cse4 .cse5))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4 .cse5) .cse1 .cse2) (or (and (= ~pumpRunning~0 1) .cse6) .cse7 (or .cse8 .cse9 .cse10)) (or (< 1 |old(~waterLevel~0)|) .cse7 (and (or .cse8 .cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse8 .cse9))) (or (or (or .cse9 .cse10) .cse11) (= 1 ~waterLevel~0)) (or (and .cse12 .cse3 .cse13) .cse14 .cse15 .cse16) (or .cse0 .cse14 .cse16) (or .cse8 .cse9 .cse17 .cse7)))))) [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2018-12-02 07:41:47,340 INFO L451 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L451 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L451 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2018-12-02 07:41:47,340 INFO L451 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-02 07:41:47,340 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (< 2 |old(~waterLevel~0)|) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~pumpRunning~0))) [2018-12-02 07:41:47,340 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:41:47,341 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) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-02 07:41:47,341 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse4 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse1 (or .cse0 .cse4 .cse2 .cse3)))) [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse3 .cse4 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse4 (or .cse0 .cse3 .cse1 .cse2)))) [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L444 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1))) [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse4 .cse2 .cse0 .cse3 .cse1) (or .cse4 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 07:41:47,341 INFO L444 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-02 07:41:47,341 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-02 07:41:47,342 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse8 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (or .cse8 .cse4)) (.cse7 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or (< ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse0 .cse6) (or (< 0 |old(~waterLevel~0)|) .cse0 .cse3 .cse7) (or .cse1 (or (= 0 ~switchedOnBeforeTS~0) .cse4) .cse0 .cse5 (not .cse2)) (or .cse3 .cse7 .cse0 .cse6) (or (= 1 ~waterLevel~0) (or .cse8 .cse4 (not (= |old(~waterLevel~0)| 1))))))) [2018-12-02 07:41:47,342 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2018-12-02 07:41:47,342 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2018-12-02 07:41:47,342 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2018-12-02 07:41:47,342 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2018-12-02 07:41:47,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:41:47 BoogieIcfgContainer [2018-12-02 07:41:47,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:41:47,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:41:47,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:41:47,350 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:41:47,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:41:22" (3/4) ... [2018-12-02 07:41:47,353 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:41:47,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 07:41:47,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 07:41:47,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 07:41:47,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 07:41:47,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 07:41:47,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 07:41:47,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 07:41:47,361 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-02 07:41:47,361 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 07:41:47,362 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 07:41:47,362 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 07:41:47,362 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 07:41:47,362 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 07:41:47,378 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || (((waterLevel == 2 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || ((waterLevel == 2 && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((((1 <= switchedOnBeforeTS && !(methaneLevelCritical == 0)) && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) [2018-12-02 07:41:47,378 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 07:41:47,406 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aeb1b4d2-d16d-4476-9407-76995abee5e5/bin-2019/utaipan/witness.graphml [2018-12-02 07:41:47,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:41:47,406 INFO L168 Benchmark]: Toolchain (without parser) took 25628.16 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 952.4 MB in the beginning and 1.3 GB in the end (delta: -392.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-02 07:41:47,406 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:41:47,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 07:41:47,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.88 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. [2018-12-02 07:41:47,407 INFO L168 Benchmark]: Boogie Preprocessor took 22.39 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. [2018-12-02 07:41:47,407 INFO L168 Benchmark]: RCFGBuilder took 341.78 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: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. [2018-12-02 07:41:47,407 INFO L168 Benchmark]: TraceAbstraction took 24913.22 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -277.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-02 07:41:47,407 INFO L168 Benchmark]: Witness Printer took 55.56 ms. Allocated memory is still 2.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:41:47,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.88 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 22.39 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 341.78 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: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24913.22 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -277.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 55.56 ms. Allocated memory is still 2.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || (((waterLevel == 2 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || ((waterLevel == 2 && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((((1 <= switchedOnBeforeTS && !(methaneLevelCritical == 0)) && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 149 locations, 1 error locations. SAFE Result, 24.8s OverallTime, 14 OverallIterations, 9 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 9.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2829 SDtfs, 4043 SDslu, 8574 SDs, 0 SdLazy, 11232 SolverSat, 2480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2314 GetRequests, 2032 SyntacticMatches, 45 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1867 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2009occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.4s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1540 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 3446 PreInvPairs, 3703 NumberOfFragments, 2936 HoareAnnotationTreeSize, 3446 FomulaSimplifications, 106975 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 100037 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3108 NumberOfCodeBlocks, 3108 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4093 ConstructedInterpolants, 0 QuantifiedInterpolants, 1597734 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4489 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 3068/3345 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...