./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:42:11,046 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:42:11,048 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:42:11,055 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:42:11,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:42:11,056 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:42:11,057 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:42:11,058 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:42:11,059 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:42:11,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:42:11,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:42:11,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:42:11,061 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:42:11,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:42:11,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:42:11,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:42:11,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:42:11,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:42:11,065 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:42:11,066 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:42:11,067 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:42:11,068 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:42:11,069 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:42:11,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:42:11,070 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:42:11,070 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:42:11,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:42:11,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:42:11,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:42:11,072 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:42:11,072 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:42:11,073 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:42:11,073 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:42:11,073 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:42:11,074 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:42:11,074 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:42:11,074 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:42:11,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:42:11,083 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:42:11,084 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:42:11,084 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:42:11,084 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:42:11,084 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:42:11,085 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:42:11,085 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:42:11,085 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:42:11,085 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:42:11,085 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:42:11,085 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:42:11,085 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:42:11,086 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:42:11,086 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:42:11,086 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:42:11,086 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:42:11,086 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:42:11,086 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:42:11,087 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:42:11,087 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:42:11,087 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:42:11,087 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:42:11,087 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:42:11,087 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:42:11,087 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:42:11,087 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:42:11,088 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:42:11,088 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:42:11,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:42:11,088 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:42:11,088 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:42:11,088 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:42:11,088 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:42:11,088 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:42:11,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:42:11,089 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:42:11,089 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_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2018-11-18 10:42:11,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:42:11,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:42:11,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:42:11,116 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:42:11,117 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:42:11,117 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-18 10:42:11,156 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/data/94a8e9b97/486117f86d9f4daa840b2944a823930e/FLAG5de7050ba [2018-11-18 10:42:11,585 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:42:11,586 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-18 10:42:11,592 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/data/94a8e9b97/486117f86d9f4daa840b2944a823930e/FLAG5de7050ba [2018-11-18 10:42:11,601 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/data/94a8e9b97/486117f86d9f4daa840b2944a823930e [2018-11-18 10:42:11,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:42:11,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:42:11,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:42:11,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:42:11,608 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:42:11,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:42:11" (1/1) ... [2018-11-18 10:42:11,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1177d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:11, skipping insertion in model container [2018-11-18 10:42:11,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:42:11" (1/1) ... [2018-11-18 10:42:11,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:42:11,652 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:42:11,856 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:42:11,864 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:42:11,987 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:42:12,010 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:42:12,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12 WrapperNode [2018-11-18 10:42:12,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:42:12,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:42:12,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:42:12,011 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:42:12,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:42:12,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:42:12,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:42:12,040 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:42:12,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... [2018-11-18 10:42:12,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:42:12,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:42:12,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:42:12,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:42:12,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:42:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:42:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:42:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:42:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:42:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 10:42:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 10:42:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:42:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:42:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:42:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:42:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:42:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 10:42:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 10:42:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:42:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:42:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:42:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:42:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 10:42:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 10:42:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:42:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:42:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:42:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:42:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 10:42:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 10:42:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 10:42:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 10:42:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:42:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:42:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:42:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:42:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:42:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:42:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:42:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:42:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:42:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:42:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:42:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:42:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:42:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:42:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:42:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:42:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:42:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:42:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:42:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:42:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:42:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:42:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:42:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:42:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:42:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:42:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:42:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:42:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:42:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:42:12,509 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:42:12,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:42:12 BoogieIcfgContainer [2018-11-18 10:42:12,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:42:12,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:42:12,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:42:12,513 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:42:12,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:42:11" (1/3) ... [2018-11-18 10:42:12,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23283114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:42:12, skipping insertion in model container [2018-11-18 10:42:12,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:42:12" (2/3) ... [2018-11-18 10:42:12,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23283114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:42:12, skipping insertion in model container [2018-11-18 10:42:12,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:42:12" (3/3) ... [2018-11-18 10:42:12,516 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-18 10:42:12,523 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:42:12,530 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:42:12,542 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:42:12,567 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:42:12,567 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:42:12,567 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:42:12,567 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:42:12,568 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:42:12,568 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:42:12,568 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:42:12,568 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:42:12,584 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2018-11-18 10:42:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:42:12,590 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:12,591 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:12,593 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:12,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:12,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1765848376, now seen corresponding path program 1 times [2018-11-18 10:42:12,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:12,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:12,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:12,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:12,633 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:12,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:12,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:42:12,796 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:12,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:42:12,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:42:12,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:42:12,809 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2018-11-18 10:42:12,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:12,835 INFO L93 Difference]: Finished difference Result 266 states and 329 transitions. [2018-11-18 10:42:12,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:42:12,836 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 10:42:12,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:12,846 INFO L225 Difference]: With dead ends: 266 [2018-11-18 10:42:12,847 INFO L226 Difference]: Without dead ends: 135 [2018-11-18 10:42:12,850 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:42:12,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-18 10:42:12,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-18 10:42:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-18 10:42:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2018-11-18 10:42:12,891 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 51 [2018-11-18 10:42:12,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:12,892 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2018-11-18 10:42:12,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:42:12,892 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2018-11-18 10:42:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 10:42:12,894 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:12,894 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:12,894 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:12,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:12,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1169632974, now seen corresponding path program 1 times [2018-11-18 10:42:12,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:12,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:12,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:12,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:12,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:13,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:13,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:42:13,001 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:13,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:42:13,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:42:13,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:42:13,003 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 3 states. [2018-11-18 10:42:13,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:13,023 INFO L93 Difference]: Finished difference Result 213 states and 249 transitions. [2018-11-18 10:42:13,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:42:13,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 10:42:13,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:13,025 INFO L225 Difference]: With dead ends: 213 [2018-11-18 10:42:13,025 INFO L226 Difference]: Without dead ends: 125 [2018-11-18 10:42:13,026 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:42:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-18 10:42:13,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-18 10:42:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-18 10:42:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-11-18 10:42:13,037 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2018-11-18 10:42:13,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:13,037 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-11-18 10:42:13,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:42:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-11-18 10:42:13,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 10:42:13,039 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:13,039 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:13,039 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:13,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:13,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1737940686, now seen corresponding path program 1 times [2018-11-18 10:42:13,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:13,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:13,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:13,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:13,041 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:13,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:13,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:42:13,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:13,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:42:13,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:42:13,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:42:13,155 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2018-11-18 10:42:13,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:13,418 INFO L93 Difference]: Finished difference Result 222 states and 263 transitions. [2018-11-18 10:42:13,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:42:13,419 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 10:42:13,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:13,420 INFO L225 Difference]: With dead ends: 222 [2018-11-18 10:42:13,420 INFO L226 Difference]: Without dead ends: 125 [2018-11-18 10:42:13,421 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:42:13,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-18 10:42:13,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-18 10:42:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-18 10:42:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2018-11-18 10:42:13,429 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2018-11-18 10:42:13,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:13,429 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2018-11-18 10:42:13,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:42:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2018-11-18 10:42:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 10:42:13,432 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:13,432 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:13,432 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:13,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:13,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1914939933, now seen corresponding path program 1 times [2018-11-18 10:42:13,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:13,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:13,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:13,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:13,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:13,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:13,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:13,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:42:13,537 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:13,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:42:13,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:42:13,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:42:13,538 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2018-11-18 10:42:14,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:14,089 INFO L93 Difference]: Finished difference Result 320 states and 387 transitions. [2018-11-18 10:42:14,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:42:14,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-18 10:42:14,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:14,091 INFO L225 Difference]: With dead ends: 320 [2018-11-18 10:42:14,091 INFO L226 Difference]: Without dead ends: 223 [2018-11-18 10:42:14,092 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:42:14,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-18 10:42:14,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 204. [2018-11-18 10:42:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-11-18 10:42:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 234 transitions. [2018-11-18 10:42:14,111 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 234 transitions. Word has length 70 [2018-11-18 10:42:14,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:14,112 INFO L480 AbstractCegarLoop]: Abstraction has 204 states and 234 transitions. [2018-11-18 10:42:14,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:42:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 234 transitions. [2018-11-18 10:42:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 10:42:14,114 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:14,114 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:14,115 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:14,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:14,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1151473609, now seen corresponding path program 1 times [2018-11-18 10:42:14,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:14,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:14,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:14,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:14,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:14,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:14,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:42:14,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:14,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:42:14,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:42:14,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:42:14,207 INFO L87 Difference]: Start difference. First operand 204 states and 234 transitions. Second operand 6 states. [2018-11-18 10:42:14,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:14,362 INFO L93 Difference]: Finished difference Result 538 states and 638 transitions. [2018-11-18 10:42:14,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:42:14,366 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-18 10:42:14,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:14,368 INFO L225 Difference]: With dead ends: 538 [2018-11-18 10:42:14,368 INFO L226 Difference]: Without dead ends: 362 [2018-11-18 10:42:14,369 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:42:14,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-11-18 10:42:14,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 356. [2018-11-18 10:42:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 10:42:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 408 transitions. [2018-11-18 10:42:14,395 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 408 transitions. Word has length 84 [2018-11-18 10:42:14,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:14,395 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 408 transitions. [2018-11-18 10:42:14,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:42:14,396 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 408 transitions. [2018-11-18 10:42:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 10:42:14,397 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:14,398 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:14,398 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:14,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:14,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1949756685, now seen corresponding path program 1 times [2018-11-18 10:42:14,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:14,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:14,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:14,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:14,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:14,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:14,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:42:14,500 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:14,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:42:14,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:42:14,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:42:14,501 INFO L87 Difference]: Start difference. First operand 356 states and 408 transitions. Second operand 7 states. [2018-11-18 10:42:14,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:14,945 INFO L93 Difference]: Finished difference Result 715 states and 842 transitions. [2018-11-18 10:42:14,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 10:42:14,945 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-18 10:42:14,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:14,947 INFO L225 Difference]: With dead ends: 715 [2018-11-18 10:42:14,947 INFO L226 Difference]: Without dead ends: 387 [2018-11-18 10:42:14,948 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:42:14,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-18 10:42:14,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 355. [2018-11-18 10:42:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-11-18 10:42:14,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 405 transitions. [2018-11-18 10:42:14,970 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 405 transitions. Word has length 88 [2018-11-18 10:42:14,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:14,970 INFO L480 AbstractCegarLoop]: Abstraction has 355 states and 405 transitions. [2018-11-18 10:42:14,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:42:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 405 transitions. [2018-11-18 10:42:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 10:42:14,971 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:14,972 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:14,972 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:14,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:14,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1234478283, now seen corresponding path program 1 times [2018-11-18 10:42:14,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:14,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:14,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:14,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:14,973 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:15,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:15,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:42:15,047 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:15,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:42:15,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:42:15,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:42:15,048 INFO L87 Difference]: Start difference. First operand 355 states and 405 transitions. Second operand 6 states. [2018-11-18 10:42:15,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:15,079 INFO L93 Difference]: Finished difference Result 692 states and 802 transitions. [2018-11-18 10:42:15,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:42:15,079 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 10:42:15,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:15,081 INFO L225 Difference]: With dead ends: 692 [2018-11-18 10:42:15,081 INFO L226 Difference]: Without dead ends: 365 [2018-11-18 10:42:15,082 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:42:15,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-11-18 10:42:15,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2018-11-18 10:42:15,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-11-18 10:42:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 415 transitions. [2018-11-18 10:42:15,101 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 415 transitions. Word has length 89 [2018-11-18 10:42:15,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:15,101 INFO L480 AbstractCegarLoop]: Abstraction has 365 states and 415 transitions. [2018-11-18 10:42:15,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:42:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 415 transitions. [2018-11-18 10:42:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 10:42:15,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:15,103 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:15,103 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:15,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:15,103 INFO L82 PathProgramCache]: Analyzing trace with hash -532878409, now seen corresponding path program 1 times [2018-11-18 10:42:15,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:15,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:15,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:15,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:15,104 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:15,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:15,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 10:42:15,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:15,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 10:42:15,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 10:42:15,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:42:15,183 INFO L87 Difference]: Start difference. First operand 365 states and 415 transitions. Second operand 8 states. [2018-11-18 10:42:15,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:15,207 INFO L93 Difference]: Finished difference Result 716 states and 836 transitions. [2018-11-18 10:42:15,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:42:15,208 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-18 10:42:15,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:15,209 INFO L225 Difference]: With dead ends: 716 [2018-11-18 10:42:15,209 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 10:42:15,211 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:42:15,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 10:42:15,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2018-11-18 10:42:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-18 10:42:15,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 423 transitions. [2018-11-18 10:42:15,224 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 423 transitions. Word has length 89 [2018-11-18 10:42:15,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:15,224 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 423 transitions. [2018-11-18 10:42:15,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 10:42:15,224 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 423 transitions. [2018-11-18 10:42:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 10:42:15,225 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:15,226 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:15,226 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:15,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:15,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1192602488, now seen corresponding path program 1 times [2018-11-18 10:42:15,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:15,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:15,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:15,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:15,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:15,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:15,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:42:15,296 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:15,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:42:15,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:42:15,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:42:15,296 INFO L87 Difference]: Start difference. First operand 373 states and 423 transitions. Second operand 4 states. [2018-11-18 10:42:15,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:15,428 INFO L93 Difference]: Finished difference Result 1120 states and 1340 transitions. [2018-11-18 10:42:15,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:42:15,429 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-18 10:42:15,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:15,431 INFO L225 Difference]: With dead ends: 1120 [2018-11-18 10:42:15,431 INFO L226 Difference]: Without dead ends: 775 [2018-11-18 10:42:15,432 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:42:15,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2018-11-18 10:42:15,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 499. [2018-11-18 10:42:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-11-18 10:42:15,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 562 transitions. [2018-11-18 10:42:15,456 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 562 transitions. Word has length 89 [2018-11-18 10:42:15,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:15,457 INFO L480 AbstractCegarLoop]: Abstraction has 499 states and 562 transitions. [2018-11-18 10:42:15,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:42:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 562 transitions. [2018-11-18 10:42:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 10:42:15,458 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:15,458 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:15,458 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:15,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:15,459 INFO L82 PathProgramCache]: Analyzing trace with hash -703995854, now seen corresponding path program 1 times [2018-11-18 10:42:15,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:15,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:15,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:15,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:15,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:15,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:15,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:42:15,495 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:15,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:42:15,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:42:15,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:42:15,496 INFO L87 Difference]: Start difference. First operand 499 states and 562 transitions. Second operand 3 states. [2018-11-18 10:42:15,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:15,537 INFO L93 Difference]: Finished difference Result 771 states and 883 transitions. [2018-11-18 10:42:15,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:42:15,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-18 10:42:15,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:15,540 INFO L225 Difference]: With dead ends: 771 [2018-11-18 10:42:15,540 INFO L226 Difference]: Without dead ends: 768 [2018-11-18 10:42:15,540 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:42:15,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2018-11-18 10:42:15,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 641. [2018-11-18 10:42:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2018-11-18 10:42:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 732 transitions. [2018-11-18 10:42:15,565 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 732 transitions. Word has length 93 [2018-11-18 10:42:15,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:15,565 INFO L480 AbstractCegarLoop]: Abstraction has 641 states and 732 transitions. [2018-11-18 10:42:15,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:42:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 732 transitions. [2018-11-18 10:42:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 10:42:15,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:15,568 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:15,568 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:15,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:15,568 INFO L82 PathProgramCache]: Analyzing trace with hash 531211985, now seen corresponding path program 1 times [2018-11-18 10:42:15,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:15,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:15,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:15,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:15,569 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:42:15,637 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:42:15,637 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:42:15,638 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-18 10:42:15,639 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [37], [52], [55], [56], [60], [61], [63], [67], [73], [77], [81], [84], [87], [89], [92], [95], [97], [100], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [166], [167], [173], [177], [183], [218], [222], [225], [227], [230], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [263], [264], [265], [273], [274], [275], [276], [277], [278], [279], [280], [283], [284], [285], [286], [287], [289], [290], [293], [294], [295], [296], [301], [302], [303], [305], [306], [307], [308] [2018-11-18 10:42:15,664 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:42:15,665 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:42:16,567 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:42:16,569 INFO L272 AbstractInterpreter]: Visited 100 different actions 351 times. Merged at 14 different actions 30 times. Never widened. Performed 13509 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13509 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 134 variables. [2018-11-18 10:42:16,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:16,584 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:42:16,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:42:16,585 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:42:16,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:16,604 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:42:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:16,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:42:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:16,741 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:42:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:42:16,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:42:16,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-18 10:42:16,956 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:16,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:42:16,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:42:16,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:42:16,957 INFO L87 Difference]: Start difference. First operand 641 states and 732 transitions. Second operand 3 states. [2018-11-18 10:42:17,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:17,017 INFO L93 Difference]: Finished difference Result 1072 states and 1233 transitions. [2018-11-18 10:42:17,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:42:17,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-18 10:42:17,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:17,019 INFO L225 Difference]: With dead ends: 1072 [2018-11-18 10:42:17,019 INFO L226 Difference]: Without dead ends: 581 [2018-11-18 10:42:17,020 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:42:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2018-11-18 10:42:17,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2018-11-18 10:42:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2018-11-18 10:42:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 653 transitions. [2018-11-18 10:42:17,044 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 653 transitions. Word has length 152 [2018-11-18 10:42:17,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:17,045 INFO L480 AbstractCegarLoop]: Abstraction has 581 states and 653 transitions. [2018-11-18 10:42:17,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:42:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 653 transitions. [2018-11-18 10:42:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 10:42:17,047 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:17,047 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:17,047 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:17,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:17,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2116652037, now seen corresponding path program 1 times [2018-11-18 10:42:17,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:17,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:17,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:17,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:17,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:42:17,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:42:17,167 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:42:17,167 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-18 10:42:17,167 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [37], [40], [42], [48], [52], [55], [56], [60], [61], [62], [63], [67], [73], [77], [81], [84], [87], [89], [92], [95], [97], [100], [115], [116], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [166], [167], [170], [173], [177], [183], [213], [217], [218], [222], [225], [227], [230], [237], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [267], [268], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [283], [284], [285], [286], [287], [289], [290], [291], [292], [293], [294], [295], [296], [301], [302], [303], [305], [306], [307], [308], [311], [312] [2018-11-18 10:42:17,170 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:42:17,170 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:42:18,184 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:42:18,184 INFO L272 AbstractInterpreter]: Visited 125 different actions 791 times. Merged at 21 different actions 76 times. Never widened. Performed 26361 root evaluator evaluations with a maximum evaluation depth of 5. Performed 26361 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-18 10:42:18,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:18,196 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:42:18,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:42:18,196 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:42:18,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:18,213 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:42:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:18,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:42:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:42:18,440 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:42:18,753 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:42:18,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:42:18,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-18 10:42:18,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:18,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:42:18,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:42:18,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-18 10:42:18,771 INFO L87 Difference]: Start difference. First operand 581 states and 653 transitions. Second operand 9 states. [2018-11-18 10:42:19,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:19,895 INFO L93 Difference]: Finished difference Result 1768 states and 2289 transitions. [2018-11-18 10:42:19,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 10:42:19,895 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-11-18 10:42:19,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:19,902 INFO L225 Difference]: With dead ends: 1768 [2018-11-18 10:42:19,902 INFO L226 Difference]: Without dead ends: 1337 [2018-11-18 10:42:19,904 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-18 10:42:19,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2018-11-18 10:42:19,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1139. [2018-11-18 10:42:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1139 states. [2018-11-18 10:42:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1360 transitions. [2018-11-18 10:42:19,984 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1360 transitions. Word has length 154 [2018-11-18 10:42:19,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:19,984 INFO L480 AbstractCegarLoop]: Abstraction has 1139 states and 1360 transitions. [2018-11-18 10:42:19,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:42:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1360 transitions. [2018-11-18 10:42:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 10:42:19,987 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:42:19,987 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:42:19,987 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:42:19,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:42:19,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2044265479, now seen corresponding path program 1 times [2018-11-18 10:42:19,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:42:19,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:19,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:42:19,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:42:19,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:42:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:42:20,071 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:42:20,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:42:20,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 10:42:20,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:42:20,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:42:20,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:42:20,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:42:20,072 INFO L87 Difference]: Start difference. First operand 1139 states and 1360 transitions. Second operand 9 states. [2018-11-18 10:42:20,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:42:20,133 INFO L93 Difference]: Finished difference Result 1601 states and 1904 transitions. [2018-11-18 10:42:20,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:42:20,133 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-11-18 10:42:20,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:42:20,134 INFO L225 Difference]: With dead ends: 1601 [2018-11-18 10:42:20,134 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:42:20,137 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:42:20,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:42:20,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:42:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:42:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:42:20,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2018-11-18 10:42:20,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:42:20,138 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:42:20,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:42:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:42:20,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:42:20,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:42:20,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:42:20,825 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-11-18 10:42:21,960 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2018-11-18 10:42:22,244 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-11-18 10:42:22,919 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2018-11-18 10:42:23,056 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 953 959) the Hoare annotation is: true [2018-11-18 10:42:23,056 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 953 959) no Hoare annotation was computed. [2018-11-18 10:42:23,056 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 960 968) no Hoare annotation was computed. [2018-11-18 10:42:23,056 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 960 968) the Hoare annotation is: true [2018-11-18 10:42:23,056 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 960 968) no Hoare annotation was computed. [2018-11-18 10:42:23,056 INFO L421 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:42:23,056 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:42:23,056 INFO L421 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:42:23,056 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:42:23,056 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-18 10:42:23,056 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:42:23,057 INFO L421 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 476 484) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 476 484) the Hoare annotation is: true [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 476 484) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 540 558) the Hoare annotation is: true [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 540 558) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 553) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L428 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 540 558) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 946 952) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 946 952) the Hoare annotation is: true [2018-11-18 10:42:23,057 INFO L421 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:42:23,057 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-18 10:42:23,057 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 457 464) the Hoare annotation is: (or (< |old(~pumpRunning~0)| 1) (not (= ~systemActive~0 1)) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 457 464) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 457 464) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L421 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4))) [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point L443-1(lines 424 448) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 424 448) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L421 ceAbstractionStarter]: At program point L438(line 438) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-18 10:42:23,058 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 424 448) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2 .cse3))) [2018-11-18 10:42:23,058 INFO L421 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) (and (= processEnvironment_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0))) [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 440) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L421 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point L428(lines 428 445) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 231 244) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 231 244) the Hoare annotation is: true [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 231 244) no Hoare annotation was computed. [2018-11-18 10:42:23,058 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 390 396) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 390 396) the Hoare annotation is: true [2018-11-18 10:42:23,059 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 296 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:42:23,059 INFO L421 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:42:23,059 INFO L421 ceAbstractionStarter]: At program point L349(lines 306 351) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 296 359) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L306-1(lines 306 351) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L421 ceAbstractionStarter]: At program point L352(lines 305 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L421 ceAbstractionStarter]: At program point L342-2(lines 336 347) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L307(lines 306 351) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L421 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 296 359) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 245 253) no Hoare annotation was computed. [2018-11-18 10:42:23,059 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 245 253) the Hoare annotation is: true [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 245 253) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L421 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 288) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L421 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~pumpRunning~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse6))) [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 291) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 266 294) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-11-18 10:42:23,060 INFO L421 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point L272-1(line 272) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 266 294) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 258 265) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 258 265) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:42:23,060 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 449 456) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 449 456) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 449 456) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L428 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point L528-1(line 528) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 521 539) the Hoare annotation is: true [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 521 539) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (< ~waterLevel~0 1) .cse2 .cse3) (or .cse2 (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (or .cse0 .cse1) .cse3))) [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2018-11-18 10:42:23,061 INFO L421 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or .cse4 (and (= 1 ~waterLevel~0) .cse5 .cse3) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse6) (or (or .cse4 .cse1) .cse2 (and .cse3 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse6))) [2018-11-18 10:42:23,061 INFO L421 ceAbstractionStarter]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~methAndRunningLastTime~0))) (and (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (= 1 ~waterLevel~0) .cse2) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or .cse1 .cse0) .cse3 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 .cse4))))) [2018-11-18 10:42:23,061 INFO L421 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse3) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2018-11-18 10:42:23,061 INFO L425 ceAbstractionStarter]: For program point L370(lines 369 388) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 366 389) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse0 .cse3) .cse5 (and .cse2 .cse1 .cse6) .cse4) (or .cse7 .cse3 .cse5 (and .cse2 .cse6)) (or .cse7 .cse1 .cse3 .cse5 .cse4))) [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 366 389) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 366 389) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 10:42:23,062 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 10:42:23,062 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:42:23,062 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 10:42:23,062 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L421 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-18 10:42:23,063 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 398 422) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 398 422) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L421 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 398 422) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L421 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse0 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse0))) [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point L406(lines 406 414) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L421 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point L404-1(line 404) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 419) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) .cse1 .cse2 .cse3) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 926 933) no Hoare annotation was computed. [2018-11-18 10:42:23,063 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 926 933) the Hoare annotation is: true [2018-11-18 10:42:23,063 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2018-11-18 10:42:23,064 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 926 933) no Hoare annotation was computed. [2018-11-18 10:42:23,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:42:23 BoogieIcfgContainer [2018-11-18 10:42:23,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:42:23,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:42:23,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:42:23,072 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:42:23,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:42:12" (3/4) ... [2018-11-18 10:42:23,075 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:42:23,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:42:23,081 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:42:23,087 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 10:42:23,088 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:42:23,088 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:42:23,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:42:23,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:42:23,147 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4d3ef4c-65b2-418c-9cd1-2ba97b77386c/bin-2019/utaipan/witness.graphml [2018-11-18 10:42:23,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:42:23,148 INFO L168 Benchmark]: Toolchain (without parser) took 11544.74 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 644.9 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 498.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:42:23,149 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:42:23,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:42:23,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:42:23,149 INFO L168 Benchmark]: Boogie Preprocessor took 28.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:42:23,149 INFO L168 Benchmark]: RCFGBuilder took 441.45 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: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:42:23,150 INFO L168 Benchmark]: TraceAbstraction took 10561.33 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 488.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -35.0 MB). Peak memory consumption was 572.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:42:23,150 INFO L168 Benchmark]: Witness Printer took 75.66 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 623.8 kB). Peak memory consumption was 623.8 kB. Max. memory is 11.5 GB. [2018-11-18 10:42:23,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.77 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 28.17 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 441.45 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: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10561.33 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 488.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -35.0 MB). Peak memory consumption was 572.0 MB. Max. memory is 11.5 GB. * Witness Printer took 75.66 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 623.8 kB). Peak memory consumption was 623.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: 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: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 148 locations, 1 error locations. SAFE Result, 10.5s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2080 SDtfs, 1298 SDslu, 4315 SDs, 0 SdLazy, 2030 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 748 GetRequests, 655 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1139occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 664 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1737 PreInvPairs, 1813 NumberOfFragments, 1886 HoareAnnotationTreeSize, 1737 FomulaSimplifications, 11334 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 11408 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1529 NumberOfCodeBlocks, 1529 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1818 ConstructedInterpolants, 0 QuantifiedInterpolants, 348748 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1597 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 289/309 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...