./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:56:26,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:56:26,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:56:26,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:56:26,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:56:26,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:56:26,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:56:26,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:56:26,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:56:26,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:56:26,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:56:26,731 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:56:26,731 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:56:26,732 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:56:26,732 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:56:26,733 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:56:26,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:56:26,735 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:56:26,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:56:26,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:56:26,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:56:26,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:56:26,740 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:56:26,740 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:56:26,741 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:56:26,741 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:56:26,742 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:56:26,743 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:56:26,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:56:26,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:56:26,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:56:26,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:56:26,745 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:56:26,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:56:26,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:56:26,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:56:26,746 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:56:26,756 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:56:26,757 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:56:26,757 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:56:26,757 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:56:26,757 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:56:26,757 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:56:26,758 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:56:26,758 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:56:26,758 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:56:26,758 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:56:26,758 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:56:26,758 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:56:26,758 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:56:26,759 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:56:26,759 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:56:26,759 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:56:26,759 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:56:26,759 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:56:26,759 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:56:26,759 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:56:26,759 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:56:26,760 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:56:26,760 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:56:26,760 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:56:26,760 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:56:26,760 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:56:26,760 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:56:26,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:56:26,760 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:56:26,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:56:26,761 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:56:26,761 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:56:26,761 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:56:26,761 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:56:26,761 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:56:26,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:56:26,761 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:56:26,761 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_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2018-11-23 07:56:26,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:56:26,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:56:26,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:56:26,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:56:26,794 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:56:26,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-11-23 07:56:26,831 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/data/252892fc9/e85ee81cb86a4069822f5fa8645d1d55/FLAG2fe5ca57e [2018-11-23 07:56:27,278 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:56:27,278 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-11-23 07:56:27,285 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/data/252892fc9/e85ee81cb86a4069822f5fa8645d1d55/FLAG2fe5ca57e [2018-11-23 07:56:27,294 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/data/252892fc9/e85ee81cb86a4069822f5fa8645d1d55 [2018-11-23 07:56:27,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:56:27,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:56:27,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:56:27,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:56:27,302 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:56:27,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27, skipping insertion in model container [2018-11-23 07:56:27,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:56:27,352 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:56:27,565 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:56:27,618 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:56:27,677 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:56:27,694 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:56:27,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27 WrapperNode [2018-11-23 07:56:27,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:56:27,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:56:27,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:56:27,695 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:56:27,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:56:27,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:56:27,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:56:27,717 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:56:27,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2018-11-23 07:56:27,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:56:27,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:56:27,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:56:27,742 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:56:27,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:56:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:56:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:56:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:56:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:56:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 07:56:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 07:56:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 07:56:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 07:56:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:56:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:56:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:56:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 07:56:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 07:56:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:56:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:56:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:56:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:56:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:56:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:56:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 07:56:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 07:56:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:56:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:56:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:56:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:56:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 07:56:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 07:56:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 07:56:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 07:56:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:56:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:56:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:56:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:56:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:56:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:56:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:56:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:56:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:56:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:56:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:56:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:56:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:56:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:56:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:56:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:56:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:56:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:56:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:56:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:56:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:56:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:56:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:56:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:56:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:56:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:56:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:56:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:56:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:56:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:56:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:56:28,186 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:56:28,186 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:56:28,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:28 BoogieIcfgContainer [2018-11-23 07:56:28,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:56:28,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:56:28,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:56:28,189 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:56:28,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:56:27" (1/3) ... [2018-11-23 07:56:28,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a56096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:56:28, skipping insertion in model container [2018-11-23 07:56:28,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (2/3) ... [2018-11-23 07:56:28,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a56096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:56:28, skipping insertion in model container [2018-11-23 07:56:28,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:28" (3/3) ... [2018-11-23 07:56:28,191 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-11-23 07:56:28,197 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:56:28,203 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:56:28,213 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:56:28,235 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:56:28,236 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:56:28,236 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:56:28,236 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:56:28,236 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:56:28,236 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:56:28,236 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:56:28,236 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:56:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-11-23 07:56:28,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:56:28,257 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:28,258 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:28,259 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:28,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:28,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1555680106, now seen corresponding path program 1 times [2018-11-23 07:56:28,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:28,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:28,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:28,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:28,294 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:28,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:28,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:56:28,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:28,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:56:28,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:56:28,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:56:28,460 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-11-23 07:56:28,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:28,489 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2018-11-23 07:56:28,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:56:28,490 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 07:56:28,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:28,499 INFO L225 Difference]: With dead ends: 274 [2018-11-23 07:56:28,499 INFO L226 Difference]: Without dead ends: 139 [2018-11-23 07:56:28,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:56:28,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-23 07:56:28,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-23 07:56:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-23 07:56:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-23 07:56:28,541 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2018-11-23 07:56:28,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:28,541 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-23 07:56:28,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:56:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-23 07:56:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:56:28,544 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:28,544 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:28,544 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:28,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:28,545 INFO L82 PathProgramCache]: Analyzing trace with hash -2138870170, now seen corresponding path program 1 times [2018-11-23 07:56:28,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:28,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:28,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:28,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:28,546 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:28,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:28,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:56:28,620 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:28,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:56:28,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:56:28,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:56:28,622 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-11-23 07:56:28,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:28,639 INFO L93 Difference]: Finished difference Result 217 states and 255 transitions. [2018-11-23 07:56:28,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:56:28,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 07:56:28,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:28,641 INFO L225 Difference]: With dead ends: 217 [2018-11-23 07:56:28,641 INFO L226 Difference]: Without dead ends: 130 [2018-11-23 07:56:28,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:56:28,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-23 07:56:28,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-23 07:56:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 07:56:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-11-23 07:56:28,653 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2018-11-23 07:56:28,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:28,653 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-11-23 07:56:28,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:56:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-23 07:56:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:56:28,655 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:28,655 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:28,655 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:28,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:28,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1856702925, now seen corresponding path program 1 times [2018-11-23 07:56:28,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:28,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:28,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:28,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:28,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:28,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:28,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:56:28,752 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:28,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:56:28,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:56:28,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:56:28,753 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-11-23 07:56:29,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:29,077 INFO L93 Difference]: Finished difference Result 385 states and 468 transitions. [2018-11-23 07:56:29,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:56:29,077 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 07:56:29,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:29,080 INFO L225 Difference]: With dead ends: 385 [2018-11-23 07:56:29,081 INFO L226 Difference]: Without dead ends: 283 [2018-11-23 07:56:29,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:56:29,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-11-23 07:56:29,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 275. [2018-11-23 07:56:29,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-11-23 07:56:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 334 transitions. [2018-11-23 07:56:29,109 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 334 transitions. Word has length 56 [2018-11-23 07:56:29,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:29,109 INFO L480 AbstractCegarLoop]: Abstraction has 275 states and 334 transitions. [2018-11-23 07:56:29,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:56:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 334 transitions. [2018-11-23 07:56:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 07:56:29,112 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:29,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:29,112 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:29,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:29,112 INFO L82 PathProgramCache]: Analyzing trace with hash 556663983, now seen corresponding path program 1 times [2018-11-23 07:56:29,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:29,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:29,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:29,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:29,114 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:29,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:29,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:56:29,196 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:29,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:56:29,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:56:29,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:56:29,196 INFO L87 Difference]: Start difference. First operand 275 states and 334 transitions. Second operand 6 states. [2018-11-23 07:56:29,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:29,324 INFO L93 Difference]: Finished difference Result 751 states and 936 transitions. [2018-11-23 07:56:29,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:56:29,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 07:56:29,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:29,329 INFO L225 Difference]: With dead ends: 751 [2018-11-23 07:56:29,329 INFO L226 Difference]: Without dead ends: 504 [2018-11-23 07:56:29,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:56:29,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2018-11-23 07:56:29,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 498. [2018-11-23 07:56:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-11-23 07:56:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 608 transitions. [2018-11-23 07:56:29,364 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 608 transitions. Word has length 62 [2018-11-23 07:56:29,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:29,365 INFO L480 AbstractCegarLoop]: Abstraction has 498 states and 608 transitions. [2018-11-23 07:56:29,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:56:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 608 transitions. [2018-11-23 07:56:29,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 07:56:29,368 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:29,368 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:29,368 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:29,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:29,368 INFO L82 PathProgramCache]: Analyzing trace with hash -728464629, now seen corresponding path program 1 times [2018-11-23 07:56:29,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:29,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:29,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:29,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:29,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:29,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:29,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:56:29,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:29,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:56:29,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:56:29,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:56:29,469 INFO L87 Difference]: Start difference. First operand 498 states and 608 transitions. Second operand 7 states. [2018-11-23 07:56:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:29,999 INFO L93 Difference]: Finished difference Result 1285 states and 1690 transitions. [2018-11-23 07:56:30,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 07:56:30,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 07:56:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:30,005 INFO L225 Difference]: With dead ends: 1285 [2018-11-23 07:56:30,007 INFO L226 Difference]: Without dead ends: 815 [2018-11-23 07:56:30,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 07:56:30,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-23 07:56:30,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 719. [2018-11-23 07:56:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-11-23 07:56:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 875 transitions. [2018-11-23 07:56:30,062 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 875 transitions. Word has length 66 [2018-11-23 07:56:30,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:30,063 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 875 transitions. [2018-11-23 07:56:30,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:56:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 875 transitions. [2018-11-23 07:56:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 07:56:30,065 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:30,065 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:30,065 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:30,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:30,065 INFO L82 PathProgramCache]: Analyzing trace with hash -577517678, now seen corresponding path program 1 times [2018-11-23 07:56:30,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:30,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:30,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:30,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:30,067 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:30,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:30,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:56:30,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:30,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:56:30,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:56:30,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:56:30,125 INFO L87 Difference]: Start difference. First operand 719 states and 875 transitions. Second operand 6 states. [2018-11-23 07:56:30,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:30,177 INFO L93 Difference]: Finished difference Result 1430 states and 1772 transitions. [2018-11-23 07:56:30,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:56:30,178 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 07:56:30,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:30,182 INFO L225 Difference]: With dead ends: 1430 [2018-11-23 07:56:30,182 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 07:56:30,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:56:30,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 07:56:30,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2018-11-23 07:56:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2018-11-23 07:56:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 895 transitions. [2018-11-23 07:56:30,223 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 895 transitions. Word has length 88 [2018-11-23 07:56:30,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:30,223 INFO L480 AbstractCegarLoop]: Abstraction has 739 states and 895 transitions. [2018-11-23 07:56:30,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:56:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 895 transitions. [2018-11-23 07:56:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 07:56:30,225 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:30,225 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:30,225 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:30,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:30,225 INFO L82 PathProgramCache]: Analyzing trace with hash 124082196, now seen corresponding path program 1 times [2018-11-23 07:56:30,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:30,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:30,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:30,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:30,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:30,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:30,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 07:56:30,306 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:30,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:56:30,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:56:30,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:56:30,307 INFO L87 Difference]: Start difference. First operand 739 states and 895 transitions. Second operand 8 states. [2018-11-23 07:56:30,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:30,357 INFO L93 Difference]: Finished difference Result 1478 states and 1850 transitions. [2018-11-23 07:56:30,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:56:30,358 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-23 07:56:30,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:30,361 INFO L225 Difference]: With dead ends: 1478 [2018-11-23 07:56:30,361 INFO L226 Difference]: Without dead ends: 767 [2018-11-23 07:56:30,363 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:56:30,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-11-23 07:56:30,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 755. [2018-11-23 07:56:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-23 07:56:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2018-11-23 07:56:30,403 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 88 [2018-11-23 07:56:30,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:30,403 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2018-11-23 07:56:30,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:56:30,404 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2018-11-23 07:56:30,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 07:56:30,405 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:30,405 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:30,405 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:30,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:30,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1849563093, now seen corresponding path program 1 times [2018-11-23 07:56:30,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:30,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:30,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:30,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:30,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:30,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:30,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:56:30,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:30,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:56:30,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:56:30,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:56:30,512 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 4 states. [2018-11-23 07:56:30,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:30,728 INFO L93 Difference]: Finished difference Result 2445 states and 3098 transitions. [2018-11-23 07:56:30,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:56:30,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-23 07:56:30,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:30,737 INFO L225 Difference]: With dead ends: 2445 [2018-11-23 07:56:30,737 INFO L226 Difference]: Without dead ends: 1718 [2018-11-23 07:56:30,740 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:56:30,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2018-11-23 07:56:30,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1687. [2018-11-23 07:56:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2018-11-23 07:56:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2087 transitions. [2018-11-23 07:56:30,826 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2087 transitions. Word has length 88 [2018-11-23 07:56:30,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:30,826 INFO L480 AbstractCegarLoop]: Abstraction has 1687 states and 2087 transitions. [2018-11-23 07:56:30,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:56:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2087 transitions. [2018-11-23 07:56:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 07:56:30,828 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:30,828 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:30,828 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:30,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:30,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2027295025, now seen corresponding path program 1 times [2018-11-23 07:56:30,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:30,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:30,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:30,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:30,830 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:30,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:30,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:56:30,870 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:30,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:56:30,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:56:30,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:56:30,871 INFO L87 Difference]: Start difference. First operand 1687 states and 2087 transitions. Second operand 3 states. [2018-11-23 07:56:30,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:30,957 INFO L93 Difference]: Finished difference Result 2686 states and 3425 transitions. [2018-11-23 07:56:30,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:56:30,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-23 07:56:30,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:30,969 INFO L225 Difference]: With dead ends: 2686 [2018-11-23 07:56:30,970 INFO L226 Difference]: Without dead ends: 2683 [2018-11-23 07:56:30,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:56:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2018-11-23 07:56:31,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2497. [2018-11-23 07:56:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2497 states. [2018-11-23 07:56:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3197 transitions. [2018-11-23 07:56:31,109 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3197 transitions. Word has length 92 [2018-11-23 07:56:31,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:31,109 INFO L480 AbstractCegarLoop]: Abstraction has 2497 states and 3197 transitions. [2018-11-23 07:56:31,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:56:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3197 transitions. [2018-11-23 07:56:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 07:56:31,117 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:31,117 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:31,117 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:31,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:31,117 INFO L82 PathProgramCache]: Analyzing trace with hash -729475961, now seen corresponding path program 1 times [2018-11-23 07:56:31,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:31,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:31,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:31,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:31,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:56:31,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:56:31,209 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:56:31,210 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-23 07:56:31,211 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [108], [126], [128], [131], [133], [136], [139], [142], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [172], [174], [175], [176], [205], [208], [212], [218], [223], [225], [226], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [264], [265], [266], [267], [273], [274], [275], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [297], [298], [299], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [320] [2018-11-23 07:56:31,242 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:56:31,242 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:56:32,763 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:56:32,764 INFO L272 AbstractInterpreter]: Visited 104 different actions 496 times. Merged at 15 different actions 38 times. Never widened. Performed 23593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 07:56:32,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:32,770 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:56:32,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:56:32,770 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:56:32,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:32,776 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:56:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:32,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:56:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:56:32,959 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:56:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 07:56:33,252 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:56:33,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [5] total 7 [2018-11-23 07:56:33,253 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:33,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:56:33,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:56:33,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:56:33,254 INFO L87 Difference]: Start difference. First operand 2497 states and 3197 transitions. Second operand 3 states. [2018-11-23 07:56:33,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:33,430 INFO L93 Difference]: Finished difference Result 5361 states and 7114 transitions. [2018-11-23 07:56:33,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:56:33,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-23 07:56:33,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:33,444 INFO L225 Difference]: With dead ends: 5361 [2018-11-23 07:56:33,444 INFO L226 Difference]: Without dead ends: 3208 [2018-11-23 07:56:33,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 303 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:56:33,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2018-11-23 07:56:33,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3181. [2018-11-23 07:56:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3181 states. [2018-11-23 07:56:33,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 3181 states and 4024 transitions. [2018-11-23 07:56:33,633 INFO L78 Accepts]: Start accepts. Automaton has 3181 states and 4024 transitions. Word has length 154 [2018-11-23 07:56:33,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:33,633 INFO L480 AbstractCegarLoop]: Abstraction has 3181 states and 4024 transitions. [2018-11-23 07:56:33,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:56:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3181 states and 4024 transitions. [2018-11-23 07:56:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 07:56:33,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:33,642 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:33,642 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:33,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:33,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1952355323, now seen corresponding path program 1 times [2018-11-23 07:56:33,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:33,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:33,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:33,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:33,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:56:33,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:56:33,718 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:56:33,718 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-23 07:56:33,718 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [97], [100], [103], [105], [108], [126], [128], [131], [133], [136], [139], [142], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [172], [174], [175], [176], [208], [212], [218], [226], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [264], [265], [266], [267], [273], [274], [275], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [297], [298], [299], [301], [302], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [320] [2018-11-23 07:56:33,721 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:56:33,721 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:56:34,162 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:56:34,163 INFO L272 AbstractInterpreter]: Visited 96 different actions 145 times. Merged at 8 different actions 8 times. Never widened. Performed 7972 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7972 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 134 variables. [2018-11-23 07:56:34,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:34,167 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:56:34,589 INFO L227 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 96.44% of their original sizes. [2018-11-23 07:56:34,589 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:56:34,875 INFO L415 sIntCurrentIteration]: We unified 153 AI predicates to 153 [2018-11-23 07:56:34,875 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:56:34,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:56:34,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [30] imperfect sequences [5] total 33 [2018-11-23 07:56:34,876 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:34,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-23 07:56:34,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-23 07:56:34,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2018-11-23 07:56:34,877 INFO L87 Difference]: Start difference. First operand 3181 states and 4024 transitions. Second operand 30 states. [2018-11-23 07:56:47,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:47,296 INFO L93 Difference]: Finished difference Result 9904 states and 12985 transitions. [2018-11-23 07:56:47,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-23 07:56:47,296 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 154 [2018-11-23 07:56:47,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:47,317 INFO L225 Difference]: With dead ends: 9904 [2018-11-23 07:56:47,317 INFO L226 Difference]: Without dead ends: 7067 [2018-11-23 07:56:47,324 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=345, Invalid=2007, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 07:56:47,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7067 states. [2018-11-23 07:56:47,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7067 to 6629. [2018-11-23 07:56:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6629 states. [2018-11-23 07:56:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6629 states to 6629 states and 8283 transitions. [2018-11-23 07:56:47,570 INFO L78 Accepts]: Start accepts. Automaton has 6629 states and 8283 transitions. Word has length 154 [2018-11-23 07:56:47,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:47,571 INFO L480 AbstractCegarLoop]: Abstraction has 6629 states and 8283 transitions. [2018-11-23 07:56:47,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-23 07:56:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 6629 states and 8283 transitions. [2018-11-23 07:56:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 07:56:47,577 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:47,577 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:47,578 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:47,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:47,578 INFO L82 PathProgramCache]: Analyzing trace with hash 371036000, now seen corresponding path program 1 times [2018-11-23 07:56:47,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:47,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:47,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:47,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:47,579 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:47,685 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:56:47,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:56:47,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:56:47,686 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 07:56:47,686 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [46], [50], [51], [52], [55], [57], [63], [67], [70], [71], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [108], [124], [125], [126], [128], [131], [133], [136], [139], [142], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [172], [174], [175], [176], [205], [208], [212], [218], [221], [225], [226], [230], [233], [235], [238], [245], [248], [251], [255], [256], [259], [260], [261], [262], [263], [264], [265], [266], [267], [271], [272], [273], [274], [275], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [297], [298], [299], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [320], [323], [324] [2018-11-23 07:56:47,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:56:47,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:56:48,337 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:56:48,337 INFO L272 AbstractInterpreter]: Visited 124 different actions 487 times. Merged at 20 different actions 48 times. Never widened. Performed 17320 root evaluator evaluations with a maximum evaluation depth of 5. Performed 17320 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 11 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-23 07:56:48,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:48,348 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:56:48,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:56:48,348 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:56:48,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:48,367 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:56:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:48,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:56:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:48,604 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:56:49,143 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:56:49,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:56:49,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-23 07:56:49,169 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:49,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:56:49,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:56:49,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-23 07:56:49,170 INFO L87 Difference]: Start difference. First operand 6629 states and 8283 transitions. Second operand 9 states. [2018-11-23 07:56:50,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:50,255 INFO L93 Difference]: Finished difference Result 16540 states and 23605 transitions. [2018-11-23 07:56:50,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 07:56:50,255 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-11-23 07:56:50,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:50,296 INFO L225 Difference]: With dead ends: 16540 [2018-11-23 07:56:50,296 INFO L226 Difference]: Without dead ends: 10869 [2018-11-23 07:56:50,312 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 297 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-23 07:56:50,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10869 states. [2018-11-23 07:56:50,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10869 to 8951. [2018-11-23 07:56:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8951 states. [2018-11-23 07:56:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 11370 transitions. [2018-11-23 07:56:50,851 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 11370 transitions. Word has length 152 [2018-11-23 07:56:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:50,852 INFO L480 AbstractCegarLoop]: Abstraction has 8951 states and 11370 transitions. [2018-11-23 07:56:50,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:56:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 11370 transitions. [2018-11-23 07:56:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 07:56:50,858 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:50,859 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:50,859 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:50,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:50,859 INFO L82 PathProgramCache]: Analyzing trace with hash 298649442, now seen corresponding path program 1 times [2018-11-23 07:56:50,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:50,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:50,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:50,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:50,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:50,954 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:56:50,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:50,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 07:56:50,954 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:50,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:56:50,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:56:50,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:56:50,955 INFO L87 Difference]: Start difference. First operand 8951 states and 11370 transitions. Second operand 9 states. [2018-11-23 07:56:51,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:51,240 INFO L93 Difference]: Finished difference Result 11730 states and 14884 transitions. [2018-11-23 07:56:51,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 07:56:51,240 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-11-23 07:56:51,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:51,255 INFO L225 Difference]: With dead ends: 11730 [2018-11-23 07:56:51,255 INFO L226 Difference]: Without dead ends: 3717 [2018-11-23 07:56:51,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:56:51,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3717 states. [2018-11-23 07:56:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3717 to 3613. [2018-11-23 07:56:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3613 states. [2018-11-23 07:56:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 3613 states and 4327 transitions. [2018-11-23 07:56:51,497 INFO L78 Accepts]: Start accepts. Automaton has 3613 states and 4327 transitions. Word has length 152 [2018-11-23 07:56:51,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:51,498 INFO L480 AbstractCegarLoop]: Abstraction has 3613 states and 4327 transitions. [2018-11-23 07:56:51,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:56:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4327 transitions. [2018-11-23 07:56:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 07:56:51,504 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:51,504 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:51,505 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:51,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:51,505 INFO L82 PathProgramCache]: Analyzing trace with hash -713957243, now seen corresponding path program 1 times [2018-11-23 07:56:51,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:51,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:51,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:51,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:51,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:56:51,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:56:51,625 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:56:51,625 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-23 07:56:51,625 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [108], [126], [128], [131], [133], [136], [139], [142], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [172], [174], [175], [176], [205], [208], [212], [218], [221], [225], [226], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [264], [265], [266], [267], [273], [274], [275], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [297], [298], [299], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [320] [2018-11-23 07:56:51,627 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:56:51,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:56:52,398 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:56:52,398 INFO L272 AbstractInterpreter]: Visited 104 different actions 498 times. Merged at 18 different actions 41 times. Never widened. Performed 20105 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20105 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 07:56:52,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:52,400 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:56:52,400 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:56:52,400 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:56:52,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:52,407 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:56:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:52,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:56:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:56:52,530 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:56:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:56:52,794 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:56:52,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9] total 19 [2018-11-23 07:56:52,794 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:56:52,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 07:56:52,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 07:56:52,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-11-23 07:56:52,795 INFO L87 Difference]: Start difference. First operand 3613 states and 4327 transitions. Second operand 14 states. [2018-11-23 07:56:53,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:53,702 INFO L93 Difference]: Finished difference Result 6283 states and 7647 transitions. [2018-11-23 07:56:53,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-23 07:56:53,702 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2018-11-23 07:56:53,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:53,714 INFO L225 Difference]: With dead ends: 6283 [2018-11-23 07:56:53,714 INFO L226 Difference]: Without dead ends: 3608 [2018-11-23 07:56:53,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 302 SyntacticMatches, 14 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=339, Invalid=1143, Unknown=0, NotChecked=0, Total=1482 [2018-11-23 07:56:53,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2018-11-23 07:56:53,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 2460. [2018-11-23 07:56:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2460 states. [2018-11-23 07:56:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 2722 transitions. [2018-11-23 07:56:53,883 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 2722 transitions. Word has length 154 [2018-11-23 07:56:53,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:53,884 INFO L480 AbstractCegarLoop]: Abstraction has 2460 states and 2722 transitions. [2018-11-23 07:56:53,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 07:56:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 2722 transitions. [2018-11-23 07:56:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 07:56:53,892 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:53,892 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:53,893 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:53,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:53,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1173141610, now seen corresponding path program 1 times [2018-11-23 07:56:53,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:56:53,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:53,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:53,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:53,894 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:56:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 07:56:53,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:53,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:56:53,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:56:53,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:56:53,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:56:53,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:56:53,952 INFO L87 Difference]: Start difference. First operand 2460 states and 2722 transitions. Second operand 3 states. [2018-11-23 07:56:54,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:54,085 INFO L93 Difference]: Finished difference Result 2848 states and 3189 transitions. [2018-11-23 07:56:54,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:56:54,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-23 07:56:54,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:54,087 INFO L225 Difference]: With dead ends: 2848 [2018-11-23 07:56:54,087 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:56:54,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:56:54,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:56:54,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:56:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:56:54,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:56:54,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-11-23 07:56:54,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:54,092 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:56:54,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:56:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:56:54,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:56:54,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:56:54,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,525 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 105 [2018-11-23 07:56:54,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,697 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 128 [2018-11-23 07:56:54,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:54,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,815 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 184 [2018-11-23 07:56:55,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:55,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:56:56,349 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 31 [2018-11-23 07:56:56,635 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-11-23 07:56:57,029 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 43 [2018-11-23 07:56:57,233 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-11-23 07:56:57,614 WARN L180 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 57 [2018-11-23 07:56:57,969 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 62 [2018-11-23 07:56:58,269 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 61 [2018-11-23 07:56:58,854 WARN L180 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 78 [2018-11-23 07:56:59,236 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 39 [2018-11-23 07:56:59,633 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 53 [2018-11-23 07:56:59,850 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 27 [2018-11-23 07:57:00,352 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 34 [2018-11-23 07:57:00,646 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2018-11-23 07:57:00,857 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 55 [2018-11-23 07:57:01,204 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 43 [2018-11-23 07:57:01,495 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 60 [2018-11-23 07:57:01,657 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 26 [2018-11-23 07:57:02,169 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 40 [2018-11-23 07:57:02,292 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-11-23 07:57:02,593 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 53 [2018-11-23 07:57:02,701 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 40 [2018-11-23 07:57:02,703 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 395 401) the Hoare annotation is: true [2018-11-23 07:57:02,703 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 395 401) no Hoare annotation was computed. [2018-11-23 07:57:02,703 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 402 410) no Hoare annotation was computed. [2018-11-23 07:57:02,704 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 402 410) the Hoare annotation is: true [2018-11-23 07:57:02,704 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 402 410) no Hoare annotation was computed. [2018-11-23 07:57:02,704 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 589 611) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,704 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~6 1) (= 1 ~waterLevel~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,704 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 589 611) no Hoare annotation was computed. [2018-11-23 07:57:02,704 INFO L444 ceAbstractionStarter]: At program point L601-1(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~6 1) (= 1 ~waterLevel~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,704 INFO L448 ceAbstractionStarter]: For program point L599(lines 599 606) no Hoare annotation was computed. [2018-11-23 07:57:02,704 INFO L448 ceAbstractionStarter]: For program point L599-1(lines 599 606) no Hoare annotation was computed. [2018-11-23 07:57:02,704 INFO L448 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2018-11-23 07:57:02,705 INFO L444 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,705 INFO L444 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,705 INFO L444 ceAbstractionStarter]: At program point L595-1(line 595) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,705 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 589 611) no Hoare annotation was computed. [2018-11-23 07:57:02,705 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 318 332) no Hoare annotation was computed. [2018-11-23 07:57:02,705 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 318 332) the Hoare annotation is: (let ((.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2)) (.cse5 (= |old(~systemActive~0)| 0)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or (< 1 ~waterLevel~0) .cse8 (< ~waterLevel~0 1) .cse9)) (.cse2 (not .cse5)) (.cse3 (= ~systemActive~0 0)) (.cse0 (or .cse6 (or .cse8 .cse7 .cse9)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or (and (not .cse3) (= ~pumpRunning~0 1)) (or .cse5 .cse6 .cse7 (not (= 1 |old(~pumpRunning~0)|)))) (or .cse2 .cse3 .cse0)))) [2018-11-23 07:57:02,705 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 318 332) no Hoare annotation was computed. [2018-11-23 07:57:02,705 INFO L444 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1) (or .cse2 (or .cse0 .cse3 .cse1)) (or (and (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1)) (or (= |old(~systemActive~0)| 0) .cse2 .cse3 (not (= 1 |old(~pumpRunning~0)|)))))) [2018-11-23 07:57:02,705 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-11-23 07:57:02,705 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2018-11-23 07:57:02,705 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2018-11-23 07:57:02,705 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L451 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 388 394) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 388 394) the Hoare annotation is: true [2018-11-23 07:57:02,706 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 578 588) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 578 588) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L444 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 578 588) no Hoare annotation was computed. [2018-11-23 07:57:02,706 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~pumpRunning~0 1) (< 2 ~waterLevel~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) .cse0 (not (= ~systemActive~0 1))) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 07:57:02,706 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L448 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 492 505) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 492 505) the Hoare annotation is: true [2018-11-23 07:57:02,707 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 492 505) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse1 (< ~waterLevel~0 2) .cse3 .cse4) (< 2 ~waterLevel~0)) (or (or .cse0 .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3) (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 07:57:02,707 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L444 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (or .cse1 (< ~waterLevel~0 2) .cse3 .cse4) (< 2 ~waterLevel~0)))) [2018-11-23 07:57:02,707 INFO L448 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 183 207) no Hoare annotation was computed. [2018-11-23 07:57:02,707 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse3) (or .cse0 .cse4 .cse3 .cse1 .cse2 .cse5) (or (or .cse4 (< ~waterLevel~0 2) .cse2 .cse5) (< 2 ~waterLevel~0) .cse3))) [2018-11-23 07:57:02,708 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse2 .cse5) (or (or .cse3 (< ~waterLevel~0 2) .cse2 .cse5) (< 2 ~waterLevel~0) .cse4))) [2018-11-23 07:57:02,708 INFO L448 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2018-11-23 07:57:02,708 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse3 .cse1 .cse2 .cse4) (or (or .cse3 (< ~waterLevel~0 2) .cse2 .cse4) (< 2 ~waterLevel~0)))) [2018-11-23 07:57:02,708 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2018-11-23 07:57:02,708 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2018-11-23 07:57:02,708 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,708 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and (= ~pumpRunning~0 1) (and (and (not (= ~systemActive~0 0)) (not (= ~waterLevel~0 1)) .cse0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse0 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:57:02,708 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-23 07:57:02,708 INFO L444 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~systemActive~0 0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse5 .cse6 .cse7 .cse2 .cse8) (and .cse5 .cse6 .cse7 .cse1 .cse2 .cse8) (and .cse4 .cse5 .cse0 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse8 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:57:02,708 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-23 07:57:02,709 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-23 07:57:02,709 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-23 07:57:02,709 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse6 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and .cse0 (= ~pumpRunning~0 1) .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse3 .cse4) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse7 .cse8 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:57:02,709 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-23 07:57:02,709 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-23 07:57:02,709 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 (= ~pumpRunning~0 1) .cse6 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse7 .cse8 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:57:02,709 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse6 (= ~systemActive~0 0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse0 .cse2 .cse5 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse4 .cse7 .cse8 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse7 .cse8 .cse1 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:57:02,709 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-23 07:57:02,709 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-23 07:57:02,709 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-23 07:57:02,710 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:57:02,710 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-23 07:57:02,710 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 506 514) no Hoare annotation was computed. [2018-11-23 07:57:02,710 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 506 514) the Hoare annotation is: true [2018-11-23 07:57:02,710 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 506 514) no Hoare annotation was computed. [2018-11-23 07:57:02,710 INFO L448 ceAbstractionStarter]: For program point L354-1(line 354) no Hoare annotation was computed. [2018-11-23 07:57:02,710 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 369) no Hoare annotation was computed. [2018-11-23 07:57:02,710 INFO L448 ceAbstractionStarter]: For program point L352-1(lines 344 372) no Hoare annotation was computed. [2018-11-23 07:57:02,710 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse16 (= ~methaneLevelCritical~0 1)) (.cse17 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse12 (not (= ~systemActive~0 1))) (.cse4 (not .cse17)) (.cse6 (not .cse16)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse1 (let ((.cse15 (= ~methAndRunningLastTime~0 0))) (or (and .cse15 .cse16) (and .cse15 .cse17)))) (.cse8 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 0))) (.cse13 (< 1 ~waterLevel~0)) (.cse14 (< ~waterLevel~0 1)) (.cse9 (and (or .cse3 .cse4) (or .cse6 .cse3))) (.cse7 (or .cse2 .cse12)) (.cse11 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 (let ((.cse5 (not (= ~waterLevel~0 2)))) (and (or .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse5)))) (or .cse1 .cse7 .cse8 .cse9 .cse10) (or .cse8 .cse10 (not (= 1 ~pumpRunning~0)) .cse11 .cse12 .cse3) (or .cse0 .cse11 (or .cse13 .cse2 .cse14 .cse9)) (or (or .cse13 .cse14 .cse9 .cse7) .cse11))))) [2018-11-23 07:57:02,710 INFO L448 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-11-23 07:57:02,710 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 344 372) the Hoare annotation is: (let ((.cse16 (= ~methaneLevelCritical~0 1)) (.cse17 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse12 (not (= ~systemActive~0 1))) (.cse4 (not .cse17)) (.cse6 (not .cse16)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse1 (let ((.cse15 (= ~methAndRunningLastTime~0 0))) (or (and .cse15 .cse16) (and .cse15 .cse17)))) (.cse8 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 0))) (.cse13 (< 1 ~waterLevel~0)) (.cse14 (< ~waterLevel~0 1)) (.cse9 (and (or .cse3 .cse4) (or .cse6 .cse3))) (.cse7 (or .cse2 .cse12)) (.cse11 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 (let ((.cse5 (not (= ~waterLevel~0 2)))) (and (or .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse5)))) (or .cse1 .cse7 .cse8 .cse9 .cse10) (or .cse8 .cse10 (not (= 1 ~pumpRunning~0)) .cse11 .cse12 .cse3) (or .cse0 .cse11 (or .cse13 .cse2 .cse14 .cse9)) (or (or .cse13 .cse14 .cse9 .cse7) .cse11))))) [2018-11-23 07:57:02,711 INFO L444 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: (let ((.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (< 1 ~waterLevel~0)) (.cse5 (< ~waterLevel~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse7 (or .cse6 .cse2)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse3 .cse5) (or .cse4 .cse0 (or .cse6 .cse1)) (or .cse7 .cse0 .cse1)))) [2018-11-23 07:57:02,711 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2018-11-23 07:57:02,711 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 366) no Hoare annotation was computed. [2018-11-23 07:57:02,711 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 344 372) no Hoare annotation was computed. [2018-11-23 07:57:02,711 INFO L444 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse16 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse14 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse7 (or .cse14 .cse5)) (.cse9 (< 1 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 1)) (.cse13 (and (or .cse3 .cse5) (or .cse16 .cse3))) (.cse12 (or .cse14 .cse4)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse15 (or .cse14 .cse4 .cse5)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2)) (.cse6 (not (= ~systemActive~0 0))) (.cse11 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (or .cse4 .cse5)) (or .cse6 .cse0 (or .cse7 .cse1)) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse3) (or .cse9 .cse6 .cse7 .cse10) (or .cse11 .cse12 .cse0 .cse13 .cse1) (or .cse6 .cse8 (or .cse9 .cse14 .cse10 .cse13)) (or .cse9 .cse10 .cse15) (or (or .cse9 .cse10 .cse13 .cse12) .cse8) (or .cse15 .cse0 .cse1) (or .cse6 .cse11 (or .cse16 .cse14 .cse3 (not (= ~waterLevel~0 2))))))) [2018-11-23 07:57:02,711 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 336 343) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 07:57:02,711 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 336 343) no Hoare annotation was computed. [2018-11-23 07:57:02,711 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 336 343) no Hoare annotation was computed. [2018-11-23 07:57:02,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:57:02,711 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 07:57:02,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:57:02,711 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 208 215) no Hoare annotation was computed. [2018-11-23 07:57:02,712 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 208 215) no Hoare annotation was computed. [2018-11-23 07:57:02,712 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 208 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-11-23 07:57:02,712 INFO L448 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2018-11-23 07:57:02,712 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2018-11-23 07:57:02,712 INFO L451 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2018-11-23 07:57:02,712 INFO L448 ceAbstractionStarter]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2018-11-23 07:57:02,712 INFO L448 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2018-11-23 07:57:02,712 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2018-11-23 07:57:02,712 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2018-11-23 07:57:02,712 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (let ((.cse13 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse5 (not (= 1 ~pumpRunning~0))) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse12 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse11 (not (= ~waterLevel~0 2))) (.cse0 (not (= ~systemActive~0 0))) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (or .cse13 .cse7 .cse8)) (.cse4 (< ~waterLevel~0 2)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or (< 1 ~waterLevel~0) .cse2 (< ~waterLevel~0 1))) (or .cse1 (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8)) (or (or .cse9 (= ~methaneLevelCritical~0 0)) (let ((.cse10 (not (= ~methAndRunningLastTime~0 1)))) (and (or .cse10 .cse5 .cse6 .cse8 .cse11) (or .cse10 .cse12 .cse5 .cse6 .cse11)))) (or .cse9 .cse12 .cse13 .cse6 .cse7 .cse11) (or (or (or .cse4 (or .cse13 .cse6 .cse7 .cse8)) .cse3) .cse1) (or .cse0 .cse1 (or .cse3 (or .cse2 .cse4))) (or .cse1 (or .cse13 .cse6 (not (= ~waterLevel~0 1)) .cse7 .cse8))))) [2018-11-23 07:57:02,712 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-11-23 07:57:02,712 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-11-23 07:57:02,713 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2018-11-23 07:57:02,713 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2018-11-23 07:57:02,713 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2018-11-23 07:57:02,713 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 517 546) no Hoare annotation was computed. [2018-11-23 07:57:02,713 INFO L451 ceAbstractionStarter]: At program point L542(lines 517 546) the Hoare annotation is: true [2018-11-23 07:57:02,713 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 517 546) the Hoare annotation is: true [2018-11-23 07:57:02,713 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 07:57:02,713 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2018-11-23 07:57:02,713 INFO L451 ceAbstractionStarter]: At program point L531-1(lines 531 535) the Hoare annotation is: true [2018-11-23 07:57:02,713 INFO L448 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2018-11-23 07:57:02,713 INFO L451 ceAbstractionStarter]: At program point L527-2(lines 527 541) the Hoare annotation is: true [2018-11-23 07:57:02,713 INFO L451 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: true [2018-11-23 07:57:02,713 INFO L448 ceAbstractionStarter]: For program point L523-1(line 523) no Hoare annotation was computed. [2018-11-23 07:57:02,713 INFO L448 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2018-11-23 07:57:02,714 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (and .cse13 .cse14 .cse15)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse11 (and (<= ~waterLevel~0 1) .cse3 .cse14 .cse15)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or (let ((.cse0 (not (= |old(~waterLevel~0)| 2)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 (or .cse8 .cse9)) (or .cse6 (or .cse7 (or .cse9 .cse1) .cse4)) (or .cse3 .cse5 (or .cse7 (or .cse8 .cse9 .cse2))) (or .cse10 .cse8 .cse11 .cse12 .cse1 .cse2) (or (and .cse13 .cse3 .cse14 .cse15) (or (or .cse8 .cse9 .cse1 .cse2) .cse7)) (or .cse10 .cse8 .cse5 .cse11 .cse12 .cse2)))) [2018-11-23 07:57:02,714 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2018-11-23 07:57:02,714 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 1)) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= ~systemActive~0 0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 (<= 1 ~waterLevel~0) .cse1) (or .cse2 (or .cse3 .cse4) .cse5)) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse6 .cse7 (and .cse0 .cse11 .cse12 .cse1) .cse9 .cse4 .cse10) (or (and (<= ~waterLevel~0 2) .cse11 .cse12 .cse1) (or (or .cse7 .cse3 .cse4 .cse10) .cse2)) (or .cse8 .cse2 (or .cse7 .cse3)) (or .cse11 (or (let ((.cse13 (not (= |old(~waterLevel~0)| 2)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse13) (or (not (= ~methaneLevelCritical~0 1)) .cse13))) .cse4 .cse10) .cse5))) [2018-11-23 07:57:02,714 INFO L444 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse22 (= ~methaneLevelCritical~0 1)) (.cse23 (= ~methaneLevelCritical~0 0))) (let ((.cse15 (not .cse23)) (.cse17 (not .cse22)) (.cse18 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse20 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse19 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and .cse0 .cse20 .cse19)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (let ((.cse21 (= ~methAndRunningLastTime~0 0))) (or (and .cse21 .cse22) (and .cse21 .cse23)))) (.cse6 (and .cse18 .cse20 .cse19)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= ~systemActive~0 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (< |old(~waterLevel~0)| 1)) (.cse9 (and .cse15 .cse17)) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~systemActive~0 0))) (.cse8 (= 0 ~methAndRunningLastTime~0))) (and (or (and (= 0 ~pumpRunning~0) .cse0 (<= 1 ~waterLevel~0)) (or .cse1 (or .cse2 .cse3) .cse4)) (or .cse5 .cse1 .cse6 (or .cse7 .cse2)) (or .cse8 (or (or .cse7 .cse9 .cse2 .cse3 .cse10) .cse1)) (or .cse11 .cse7 .cse12 .cse13 .cse3 .cse10) (or .cse11 .cse7 .cse5 .cse12 .cse13 .cse10) (or .cse14 (or (let ((.cse16 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse15 .cse16) (or .cse17 .cse16))) .cse3 .cse10) .cse4) (or .cse5 (or .cse1 (or .cse7 .cse9 .cse2 .cse10)) .cse14) (or (and .cse18 (= ~pumpRunning~0 1) .cse8 .cse19) .cse6 (or (or .cse7 .cse2 .cse3 .cse10) .cse1)) (or (or .cse11 .cse7 .cse13 .cse9 .cse3 .cse10) .cse8) (or (or .cse11 .cse7 .cse13 .cse9 .cse10) .cse5 .cse8))))) [2018-11-23 07:57:02,714 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2018-11-23 07:57:02,714 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse4 (< 1 |old(~waterLevel~0)|)) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (or .cse1 .cse2) .cse3)) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse5 .cse7 .cse2 .cse8) (or (or (let ((.cse9 (not (= |old(~waterLevel~0)| 2)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse9) (or (not (= ~methaneLevelCritical~0 1)) .cse9))) .cse2 .cse8) .cse3 (= 0 ~methAndRunningLastTime~0)) (or .cse6 .cse0 (or .cse5 .cse1)) (or (or .cse5 .cse1 .cse2 .cse8) .cse0))) [2018-11-23 07:57:02,715 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: (or (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or (< 2 |old(~waterLevel~0)|) (or (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2)) (not (= 1 ~pumpRunning~0)))) [2018-11-23 07:57:02,715 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-11-23 07:57:02,715 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-11-23 07:57:02,715 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 571 577) no Hoare annotation was computed. [2018-11-23 07:57:02,715 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 571 577) the Hoare annotation is: true [2018-11-23 07:57:02,715 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:57:02,715 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 07:57:02,715 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:57:02,715 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:57:02,715 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2018-11-23 07:57:02,715 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0) .cse3) (or (< 1 ~waterLevel~0) .cse0 .cse3 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-11-23 07:57:02,715 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2018-11-23 07:57:02,715 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0)))) [2018-11-23 07:57:02,715 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2018-11-23 07:57:02,716 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) .cse1 .cse0 (< ~waterLevel~0 1) .cse2 .cse3))) [2018-11-23 07:57:02,716 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 07:57:02,716 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2018-11-23 07:57:02,716 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0) .cse3) (or (< 1 ~waterLevel~0) .cse0 .cse3 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-11-23 07:57:02,716 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-23 07:57:02,716 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-11-23 07:57:02,716 INFO L448 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-11-23 07:57:02,716 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse10 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse5 .cse10)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse1 (and (<= ~waterLevel~0 2) .cse11)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 0))) (.cse8 (< |old(~waterLevel~0)| 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse9 (and (<= ~waterLevel~0 1) .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse3 .cse1 .cse4) (or (or .cse7 .cse8 .cse6 .cse4) .cse9) (or .cse2 .cse1 .cse10 .cse3 (not (= 1 ~pumpRunning~0))) (or .cse7 .cse0 .cse8 .cse4 .cse9 .cse5)))) [2018-11-23 07:57:02,716 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 613 620) no Hoare annotation was computed. [2018-11-23 07:57:02,717 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2018-11-23 07:57:02,717 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 613 620) the Hoare annotation is: true [2018-11-23 07:57:02,717 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 613 620) no Hoare annotation was computed. [2018-11-23 07:57:02,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:57:02 BoogieIcfgContainer [2018-11-23 07:57:02,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:57:02,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:57:02,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:57:02,733 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:57:02,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:28" (3/4) ... [2018-11-23 07:57:02,738 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:57:02,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:57:02,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:57:02,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:57:02,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 07:57:02,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:57:02,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 07:57:02,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:57:02,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:57:02,745 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:57:02,745 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:57:02,745 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:57:02,745 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:57:02,745 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:57:02,752 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 07:57:02,752 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:57:02,753 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:57:02,753 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:57:02,753 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:57:02,754 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:57:02,754 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:57:02,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((systemActive == 0 && 0 == pumpRunning) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1) || ((((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || (((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:57:02,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:57:02,812 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ffdd895a-0f45-4ab3-b78b-2a5b5351dac8/bin-2019/utaipan/witness.graphml [2018-11-23 07:57:02,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:57:02,813 INFO L168 Benchmark]: Toolchain (without parser) took 35516.10 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -313.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 07:57:02,813 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:57:02,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:57:02,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:57:02,814 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:57:02,814 INFO L168 Benchmark]: RCFGBuilder took 444.38 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:57:02,814 INFO L168 Benchmark]: TraceAbstraction took 34546.00 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -191.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 07:57:02,815 INFO L168 Benchmark]: Witness Printer took 79.33 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.3 kB). Peak memory consumption was 24.3 kB. Max. memory is 11.5 GB. [2018-11-23 07:57:02,816 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.44 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 444.38 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34546.00 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -191.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 79.33 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.3 kB). Peak memory consumption was 24.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: 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: 54]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((((((((((systemActive == 0 && 0 == pumpRunning) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1) || ((((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || (((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 34.4s OverallTime, 15 OverallIterations, 2 TraceHistogramMax, 16.6s AutomataDifference, 0.0s DeadEndRemovalTime, 8.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2931 SDtfs, 3493 SDslu, 8878 SDs, 0 SdLazy, 6118 SolverSat, 1339 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1258 GetRequests, 1071 SyntacticMatches, 22 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8951occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 4 AbstIntIterations, 1 AbstIntStrong, 0.9962011408666055 AbsIntWeakeningRatio, 0.8496732026143791 AbsIntAvgWeakeningVarsNumRemoved, 27.58169934640523 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 3974 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 11307 PreInvPairs, 11494 NumberOfFragments, 3920 HoareAnnotationTreeSize, 11307 FomulaSimplifications, 45896 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 83379 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2029 NumberOfCodeBlocks, 2029 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2468 ConstructedInterpolants, 0 QuantifiedInterpolants, 508411 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2690 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 523/576 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...