./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:30:23,786 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:30:23,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:30:23,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:30:23,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:30:23,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:30:23,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:30:23,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:30:23,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:30:23,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:30:23,800 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:30:23,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:30:23,801 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:30:23,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:30:23,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:30:23,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:30:23,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:30:23,805 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:30:23,806 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:30:23,807 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:30:23,808 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:30:23,808 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:30:23,810 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:30:23,810 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:30:23,810 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:30:23,810 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:30:23,811 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:30:23,812 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:30:23,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:30:23,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:30:23,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:30:23,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:30:23,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:30:23,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:30:23,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:30:23,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:30:23,815 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:30:23,824 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:30:23,824 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:30:23,825 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:30:23,825 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:30:23,825 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:30:23,825 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:30:23,825 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:30:23,825 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:30:23,825 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:30:23,825 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:30:23,826 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:30:23,826 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:30:23,826 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:30:23,826 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:30:23,826 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:30:23,827 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:30:23,827 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:30:23,827 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:30:23,827 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:30:23,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:30:23,827 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:30:23,827 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:30:23,827 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:30:23,828 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:30:23,828 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:30:23,828 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:30:23,828 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:30:23,828 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:30:23,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:30:23,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:30:23,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:30:23,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:30:23,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:30:23,829 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:30:23,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:30:23,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:30:23,829 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:30:23,829 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_58d8cfd3-5c71-476c-ad88-0a6b2834f023/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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2018-11-18 16:30:23,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:30:23,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:30:23,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:30:23,867 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:30:23,867 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:30:23,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-18 16:30:23,910 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/data/ec67bc0b5/0a3c66c1d7d34b9db883c6c4f42879cd/FLAGeff3ce9f7 [2018-11-18 16:30:24,357 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:30:24,358 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-18 16:30:24,366 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/data/ec67bc0b5/0a3c66c1d7d34b9db883c6c4f42879cd/FLAGeff3ce9f7 [2018-11-18 16:30:24,375 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/data/ec67bc0b5/0a3c66c1d7d34b9db883c6c4f42879cd [2018-11-18 16:30:24,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:30:24,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:30:24,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:30:24,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:30:24,381 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:30:24,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24, skipping insertion in model container [2018-11-18 16:30:24,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:30:24,420 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:30:24,621 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:30:24,629 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:30:24,741 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:30:24,765 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:30:24,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24 WrapperNode [2018-11-18 16:30:24,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:30:24,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:30:24,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:30:24,767 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:30:24,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:30:24,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:30:24,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:30:24,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:30:24,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... [2018-11-18 16:30:24,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:30:24,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:30:24,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:30:24,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:30:24,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:30:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:30:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:30:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:30:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:30:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 16:30:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 16:30:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:30:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:30:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:30:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:30:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:30:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 16:30:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 16:30:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:30:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:30:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:30:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:30:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 16:30:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 16:30:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:30:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:30:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:30:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:30:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 16:30:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 16:30:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 16:30:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 16:30:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:30:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:30:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:30:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:30:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:30:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:30:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:30:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:30:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 16:30:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 16:30:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:30:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:30:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:30:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:30:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:30:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:30:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:30:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:30:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:30:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:30:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:30:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:30:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:30:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:30:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:30:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:30:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:30:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:30:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:30:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:30:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:30:24,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:30:25,385 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:30:25,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:30:25 BoogieIcfgContainer [2018-11-18 16:30:25,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:30:25,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:30:25,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:30:25,390 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:30:25,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:30:24" (1/3) ... [2018-11-18 16:30:25,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226eed49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:30:25, skipping insertion in model container [2018-11-18 16:30:25,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:24" (2/3) ... [2018-11-18 16:30:25,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226eed49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:30:25, skipping insertion in model container [2018-11-18 16:30:25,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:30:25" (3/3) ... [2018-11-18 16:30:25,393 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-18 16:30:25,399 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:30:25,404 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:30:25,413 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:30:25,436 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:30:25,436 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:30:25,436 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:30:25,436 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:30:25,436 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:30:25,437 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:30:25,437 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:30:25,437 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:30:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-11-18 16:30:25,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:30:25,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:25,459 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:25,462 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:25,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:25,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1710780195, now seen corresponding path program 1 times [2018-11-18 16:30:25,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:25,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:25,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:25,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:25,499 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:25,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:25,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:25,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:30:25,680 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:25,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:30:25,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:30:25,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:30:25,696 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-11-18 16:30:25,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:25,732 INFO L93 Difference]: Finished difference Result 274 states and 337 transitions. [2018-11-18 16:30:25,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:30:25,733 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 16:30:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:25,743 INFO L225 Difference]: With dead ends: 274 [2018-11-18 16:30:25,743 INFO L226 Difference]: Without dead ends: 139 [2018-11-18 16:30:25,746 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:30:25,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-18 16:30:25,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-18 16:30:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-18 16:30:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2018-11-18 16:30:25,789 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 51 [2018-11-18 16:30:25,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:25,790 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2018-11-18 16:30:25,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:30:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2018-11-18 16:30:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:30:25,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:25,793 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:25,793 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:25,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:25,794 INFO L82 PathProgramCache]: Analyzing trace with hash -779431658, now seen corresponding path program 1 times [2018-11-18 16:30:25,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:25,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:25,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:25,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:25,795 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:25,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:25,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:30:25,889 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:25,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:30:25,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:30:25,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:30:25,891 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 3 states. [2018-11-18 16:30:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:25,910 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2018-11-18 16:30:25,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:30:25,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 16:30:25,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:25,912 INFO L225 Difference]: With dead ends: 217 [2018-11-18 16:30:25,912 INFO L226 Difference]: Without dead ends: 129 [2018-11-18 16:30:25,913 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:30:25,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-18 16:30:25,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-18 16:30:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-18 16:30:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2018-11-18 16:30:25,923 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2018-11-18 16:30:25,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:25,924 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2018-11-18 16:30:25,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:30:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2018-11-18 16:30:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:30:25,925 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:25,925 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:25,926 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:25,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:25,926 INFO L82 PathProgramCache]: Analyzing trace with hash 510954811, now seen corresponding path program 1 times [2018-11-18 16:30:25,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:25,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:25,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:25,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:25,927 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:26,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:26,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:30:26,041 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:26,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:30:26,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:30:26,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:30:26,042 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2018-11-18 16:30:26,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:26,290 INFO L93 Difference]: Finished difference Result 230 states and 271 transitions. [2018-11-18 16:30:26,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:30:26,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 16:30:26,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:26,292 INFO L225 Difference]: With dead ends: 230 [2018-11-18 16:30:26,292 INFO L226 Difference]: Without dead ends: 129 [2018-11-18 16:30:26,293 INFO L604 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 [2018-11-18 16:30:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-18 16:30:26,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-18 16:30:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-18 16:30:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2018-11-18 16:30:26,305 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2018-11-18 16:30:26,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:26,306 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2018-11-18 16:30:26,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:30:26,306 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2018-11-18 16:30:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 16:30:26,308 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:26,308 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:26,309 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:26,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:26,309 INFO L82 PathProgramCache]: Analyzing trace with hash 529959631, now seen corresponding path program 1 times [2018-11-18 16:30:26,309 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:26,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:26,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:26,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:26,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:26,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:26,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:30:26,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:26,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:30:26,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:30:26,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:30:26,407 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 5 states. [2018-11-18 16:30:26,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:26,748 INFO L93 Difference]: Finished difference Result 333 states and 401 transitions. [2018-11-18 16:30:26,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:30:26,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 16:30:26,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:26,751 INFO L225 Difference]: With dead ends: 333 [2018-11-18 16:30:26,751 INFO L226 Difference]: Without dead ends: 232 [2018-11-18 16:30:26,752 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:30:26,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-11-18 16:30:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 212. [2018-11-18 16:30:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-11-18 16:30:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 242 transitions. [2018-11-18 16:30:26,774 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 242 transitions. Word has length 71 [2018-11-18 16:30:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:26,774 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 242 transitions. [2018-11-18 16:30:26,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:30:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 242 transitions. [2018-11-18 16:30:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 16:30:26,776 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:26,776 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:26,777 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:26,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:26,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1616855660, now seen corresponding path program 1 times [2018-11-18 16:30:26,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:26,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:26,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:26,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:26,778 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:26,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:26,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:30:26,867 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:26,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:30:26,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:30:26,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:30:26,868 INFO L87 Difference]: Start difference. First operand 212 states and 242 transitions. Second operand 6 states. [2018-11-18 16:30:27,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:27,013 INFO L93 Difference]: Finished difference Result 562 states and 662 transitions. [2018-11-18 16:30:27,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:30:27,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 16:30:27,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:27,017 INFO L225 Difference]: With dead ends: 562 [2018-11-18 16:30:27,017 INFO L226 Difference]: Without dead ends: 378 [2018-11-18 16:30:27,017 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:30:27,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-11-18 16:30:27,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 372. [2018-11-18 16:30:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-11-18 16:30:27,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 424 transitions. [2018-11-18 16:30:27,047 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 424 transitions. Word has length 85 [2018-11-18 16:30:27,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:27,047 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 424 transitions. [2018-11-18 16:30:27,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:30:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 424 transitions. [2018-11-18 16:30:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:30:27,049 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:27,049 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:27,049 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:27,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:27,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1959104936, now seen corresponding path program 1 times [2018-11-18 16:30:27,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:27,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:27,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:27,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:27,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:27,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:27,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:30:27,162 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:27,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:30:27,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:30:27,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:30:27,163 INFO L87 Difference]: Start difference. First operand 372 states and 424 transitions. Second operand 7 states. [2018-11-18 16:30:27,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:27,630 INFO L93 Difference]: Finished difference Result 749 states and 878 transitions. [2018-11-18 16:30:27,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:30:27,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-11-18 16:30:27,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:27,633 INFO L225 Difference]: With dead ends: 749 [2018-11-18 16:30:27,633 INFO L226 Difference]: Without dead ends: 405 [2018-11-18 16:30:27,634 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:30:27,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-11-18 16:30:27,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 371. [2018-11-18 16:30:27,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-11-18 16:30:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 421 transitions. [2018-11-18 16:30:27,655 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 421 transitions. Word has length 89 [2018-11-18 16:30:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:27,656 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 421 transitions. [2018-11-18 16:30:27,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:30:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 421 transitions. [2018-11-18 16:30:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 16:30:27,657 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:27,657 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:27,658 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:27,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:27,658 INFO L82 PathProgramCache]: Analyzing trace with hash -174704020, now seen corresponding path program 1 times [2018-11-18 16:30:27,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:27,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:27,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:27,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:27,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:27,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:27,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:30:27,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:27,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:30:27,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:30:27,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:30:27,721 INFO L87 Difference]: Start difference. First operand 371 states and 421 transitions. Second operand 6 states. [2018-11-18 16:30:27,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:27,744 INFO L93 Difference]: Finished difference Result 724 states and 834 transitions. [2018-11-18 16:30:27,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:30:27,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 16:30:27,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:27,748 INFO L225 Difference]: With dead ends: 724 [2018-11-18 16:30:27,748 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 16:30:27,749 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:30:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 16:30:27,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-11-18 16:30:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-18 16:30:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 431 transitions. [2018-11-18 16:30:27,768 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 431 transitions. Word has length 90 [2018-11-18 16:30:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:27,768 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 431 transitions. [2018-11-18 16:30:27,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:30:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 431 transitions. [2018-11-18 16:30:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 16:30:27,769 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:27,769 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:27,769 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:27,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:27,770 INFO L82 PathProgramCache]: Analyzing trace with hash 526895854, now seen corresponding path program 1 times [2018-11-18 16:30:27,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:27,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:27,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:27,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:27,771 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:27,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:27,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:30:27,841 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:27,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:30:27,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:30:27,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:30:27,843 INFO L87 Difference]: Start difference. First operand 381 states and 431 transitions. Second operand 8 states. [2018-11-18 16:30:27,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:27,908 INFO L93 Difference]: Finished difference Result 748 states and 868 transitions. [2018-11-18 16:30:27,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:30:27,909 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-11-18 16:30:27,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:27,911 INFO L225 Difference]: With dead ends: 748 [2018-11-18 16:30:27,911 INFO L226 Difference]: Without dead ends: 395 [2018-11-18 16:30:27,912 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:30:27,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-11-18 16:30:27,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-11-18 16:30:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-11-18 16:30:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 439 transitions. [2018-11-18 16:30:27,945 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 439 transitions. Word has length 90 [2018-11-18 16:30:27,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:27,946 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 439 transitions. [2018-11-18 16:30:27,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:30:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 439 transitions. [2018-11-18 16:30:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 16:30:27,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:27,947 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:27,948 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:27,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:27,948 INFO L82 PathProgramCache]: Analyzing trace with hash -2042590545, now seen corresponding path program 1 times [2018-11-18 16:30:27,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:27,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:27,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:27,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:27,949 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:28,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:28,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:30:28,039 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:28,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:30:28,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:30:28,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:30:28,040 INFO L87 Difference]: Start difference. First operand 389 states and 439 transitions. Second operand 4 states. [2018-11-18 16:30:28,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:28,252 INFO L93 Difference]: Finished difference Result 1176 states and 1396 transitions. [2018-11-18 16:30:28,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:30:28,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2018-11-18 16:30:28,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:28,256 INFO L225 Difference]: With dead ends: 1176 [2018-11-18 16:30:28,256 INFO L226 Difference]: Without dead ends: 815 [2018-11-18 16:30:28,258 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:30:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-18 16:30:28,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 523. [2018-11-18 16:30:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-18 16:30:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 586 transitions. [2018-11-18 16:30:28,297 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 586 transitions. Word has length 90 [2018-11-18 16:30:28,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:28,297 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 586 transitions. [2018-11-18 16:30:28,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:30:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 586 transitions. [2018-11-18 16:30:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 16:30:28,299 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:28,299 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:28,299 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:28,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:28,300 INFO L82 PathProgramCache]: Analyzing trace with hash 728719733, now seen corresponding path program 1 times [2018-11-18 16:30:28,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:28,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:28,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:28,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:28,301 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:28,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:28,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:30:28,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:28,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:30:28,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:30:28,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:30:28,357 INFO L87 Difference]: Start difference. First operand 523 states and 586 transitions. Second operand 3 states. [2018-11-18 16:30:28,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:28,416 INFO L93 Difference]: Finished difference Result 803 states and 915 transitions. [2018-11-18 16:30:28,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:30:28,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-11-18 16:30:28,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:28,420 INFO L225 Difference]: With dead ends: 803 [2018-11-18 16:30:28,421 INFO L226 Difference]: Without dead ends: 800 [2018-11-18 16:30:28,421 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:30:28,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-18 16:30:28,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 669. [2018-11-18 16:30:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-11-18 16:30:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 760 transitions. [2018-11-18 16:30:28,464 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 760 transitions. Word has length 94 [2018-11-18 16:30:28,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:28,464 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 760 transitions. [2018-11-18 16:30:28,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:30:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 760 transitions. [2018-11-18 16:30:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 16:30:28,467 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:28,467 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:28,467 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:28,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:28,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2050621133, now seen corresponding path program 1 times [2018-11-18 16:30:28,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:28,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:28,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:28,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:28,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 16:30:28,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:30:28,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:30:28,558 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-18 16:30:28,560 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [37], [52], [55], [56], [60], [61], [63], [67], [73], [77], [81], [84], [87], [89], [92], [95], [97], [103], [106], [118], [120], [123], [125], [128], [131], [134], [142], [143], [144], [145], [146], [147], [148], [149], [151], [156], [158], [159], [164], [166], [167], [168], [174], [178], [184], [219], [225], [228], [230], [233], [243], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [266], [267], [268], [276], [277], [278], [279], [280], [281], [284], [285], [288], [289], [290], [291], [292], [294], [295], [298], [299], [300], [301], [306], [307], [308], [310], [311], [312], [313] [2018-11-18 16:30:28,594 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:30:28,594 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:30:30,517 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:30:30,518 INFO L272 AbstractInterpreter]: Visited 101 different actions 506 times. Merged at 15 different actions 58 times. Never widened. Performed 23675 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23675 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-18 16:30:30,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:30,535 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:30:30,535 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:30:30,535 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:30:30,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:30,549 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:30:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:30,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:30:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:30,682 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:30:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 16:30:30,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:30:30,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-18 16:30:30,864 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:30,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:30:30,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:30:30,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:30:30,865 INFO L87 Difference]: Start difference. First operand 669 states and 760 transitions. Second operand 3 states. [2018-11-18 16:30:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:30,990 INFO L93 Difference]: Finished difference Result 1120 states and 1281 transitions. [2018-11-18 16:30:30,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:30:30,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-18 16:30:30,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:30,993 INFO L225 Difference]: With dead ends: 1120 [2018-11-18 16:30:30,993 INFO L226 Difference]: Without dead ends: 609 [2018-11-18 16:30:30,994 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 308 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:30:30,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2018-11-18 16:30:31,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2018-11-18 16:30:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2018-11-18 16:30:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 681 transitions. [2018-11-18 16:30:31,020 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 681 transitions. Word has length 154 [2018-11-18 16:30:31,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:31,021 INFO L480 AbstractCegarLoop]: Abstraction has 609 states and 681 transitions. [2018-11-18 16:30:31,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:30:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 681 transitions. [2018-11-18 16:30:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 16:30:31,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:31,023 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:31,023 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:31,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:31,023 INFO L82 PathProgramCache]: Analyzing trace with hash 679768558, now seen corresponding path program 1 times [2018-11-18 16:30:31,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:31,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:31,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:31,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:31,024 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:30:31,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:30:31,144 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:30:31,144 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-18 16:30:31,145 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [37], [40], [42], [48], [52], [55], [56], [60], [61], [62], [63], [67], [73], [77], [81], [84], [87], [89], [92], [95], [97], [103], [106], [116], [117], [118], [120], [123], [125], [128], [131], [134], [142], [143], [144], [145], [146], [147], [148], [149], [151], [156], [158], [159], [164], [166], [167], [168], [171], [174], [178], [184], [214], [218], [219], [225], [228], [230], [233], [240], [243], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [268], [270], [271], [274], [275], [276], [277], [278], [279], [280], [281], [284], [285], [288], [289], [290], [291], [292], [294], [295], [296], [297], [298], [299], [300], [301], [306], [307], [308], [310], [311], [312], [313], [316], [317] [2018-11-18 16:30:31,148 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:30:31,148 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:30:32,684 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:30:32,684 INFO L272 AbstractInterpreter]: Visited 126 different actions 1018 times. Merged at 22 different actions 109 times. Never widened. Performed 40369 root evaluator evaluations with a maximum evaluation depth of 5. Performed 40369 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 22 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-18 16:30:32,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:32,685 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:30:32,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:30:32,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:30:32,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:32,691 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:30:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:32,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:30:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:30:32,841 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:30:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:30:33,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:30:33,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-18 16:30:33,156 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:33,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:30:33,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:30:33,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-18 16:30:33,157 INFO L87 Difference]: Start difference. First operand 609 states and 681 transitions. Second operand 9 states. [2018-11-18 16:30:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:34,183 INFO L93 Difference]: Finished difference Result 1871 states and 2407 transitions. [2018-11-18 16:30:34,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 16:30:34,184 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2018-11-18 16:30:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:34,190 INFO L225 Difference]: With dead ends: 1871 [2018-11-18 16:30:34,190 INFO L226 Difference]: Without dead ends: 1420 [2018-11-18 16:30:34,192 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 305 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-18 16:30:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2018-11-18 16:30:34,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1207. [2018-11-18 16:30:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2018-11-18 16:30:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1428 transitions. [2018-11-18 16:30:34,278 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1428 transitions. Word has length 156 [2018-11-18 16:30:34,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:34,279 INFO L480 AbstractCegarLoop]: Abstraction has 1207 states and 1428 transitions. [2018-11-18 16:30:34,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:30:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1428 transitions. [2018-11-18 16:30:34,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 16:30:34,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:30:34,281 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:34,281 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:30:34,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:34,282 INFO L82 PathProgramCache]: Analyzing trace with hash 607382000, now seen corresponding path program 1 times [2018-11-18 16:30:34,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:30:34,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:34,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:34,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:34,283 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:30:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:30:34,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:34,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:30:34,365 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:30:34,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:30:34,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:30:34,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:30:34,366 INFO L87 Difference]: Start difference. First operand 1207 states and 1428 transitions. Second operand 9 states. [2018-11-18 16:30:34,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:34,441 INFO L93 Difference]: Finished difference Result 1697 states and 2000 transitions. [2018-11-18 16:30:34,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:30:34,442 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2018-11-18 16:30:34,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:30:34,442 INFO L225 Difference]: With dead ends: 1697 [2018-11-18 16:30:34,442 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:30:34,445 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:30:34,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:30:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:30:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:30:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:30:34,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2018-11-18 16:30:34,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:30:34,446 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:30:34,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:30:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:30:34,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:30:34,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:30:34,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:34,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:30:35,215 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-11-18 16:30:36,221 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-11-18 16:30:36,451 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-11-18 16:30:37,360 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 16:30:37,360 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 16:30:37,360 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 16:30:37,360 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 16:30:37,360 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 16:30:37,361 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:30:37,361 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2018-11-18 16:30:37,361 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2018-11-18 16:30:37,361 INFO L421 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:30:37,361 INFO L421 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:30:37,361 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2018-11-18 16:30:37,361 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2018-11-18 16:30:37,361 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 16:30:37,361 INFO L421 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:30:37,361 INFO L421 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:30:37,362 INFO L421 ceAbstractionStarter]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:30:37,362 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2018-11-18 16:30:37,362 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2018-11-18 16:30:37,362 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2018-11-18 16:30:37,362 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2018-11-18 16:30:37,362 INFO L425 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2018-11-18 16:30:37,362 INFO L428 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2018-11-18 16:30:37,362 INFO L425 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2018-11-18 16:30:37,362 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2018-11-18 16:30:37,362 INFO L425 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2018-11-18 16:30:37,362 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2018-11-18 16:30:37,362 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 16:30:37,362 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 16:30:37,363 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:30:37,363 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2018-11-18 16:30:37,363 INFO L421 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:30:37,363 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2018-11-18 16:30:37,363 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (< |old(~pumpRunning~0)| 1) (not (= ~systemActive~0 1)) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 16:30:37,363 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2018-11-18 16:30:37,363 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2018-11-18 16:30:37,363 INFO L421 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4))) [2018-11-18 16:30:37,363 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2018-11-18 16:30:37,363 INFO L421 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-18 16:30:37,363 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2018-11-18 16:30:37,364 INFO L421 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0))) [2018-11-18 16:30:37,364 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2 .cse3))) [2018-11-18 16:30:37,364 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2018-11-18 16:30:37,364 INFO L421 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-18 16:30:37,364 INFO L425 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2018-11-18 16:30:37,364 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2018-11-18 16:30:37,364 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2018-11-18 16:30:37,364 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2018-11-18 16:30:37,364 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2018-11-18 16:30:37,364 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2018-11-18 16:30:37,364 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2018-11-18 16:30:37,364 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2018-11-18 16:30:37,364 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:30:37,365 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2018-11-18 16:30:37,365 INFO L421 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:30:37,365 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2018-11-18 16:30:37,365 INFO L421 ceAbstractionStarter]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:30:37,365 INFO L425 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2018-11-18 16:30:37,365 INFO L421 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:30:37,365 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2018-11-18 16:30:37,365 INFO L421 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:30:37,365 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2018-11-18 16:30:37,365 INFO L425 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2018-11-18 16:30:37,365 INFO L421 ceAbstractionStarter]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:30:37,366 INFO L421 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 549 596) no Hoare annotation was computed. [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2018-11-18 16:30:37,366 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2018-11-18 16:30:37,366 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-11-18 16:30:37,366 INFO L421 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-18 16:30:37,366 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L421 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~pumpRunning~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse6))) [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L421 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:30:37,367 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 16:30:37,367 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L428 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: true [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (< ~waterLevel~0 1) .cse2 .cse3) (or .cse2 (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (or .cse0 .cse1) .cse3))) [2018-11-18 16:30:37,368 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2018-11-18 16:30:37,368 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2018-11-18 16:30:37,369 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2018-11-18 16:30:37,369 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2018-11-18 16:30:37,369 INFO L421 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or .cse4 (and (= 1 ~waterLevel~0) .cse5 .cse3) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse6) (or (or .cse4 .cse1) .cse2 (and .cse3 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse6))) [2018-11-18 16:30:37,369 INFO L421 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~methAndRunningLastTime~0))) (and (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (= 1 ~waterLevel~0) .cse2) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or .cse1 .cse0) .cse3 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 .cse4))))) [2018-11-18 16:30:37,369 INFO L421 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse3) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2018-11-18 16:30:37,369 INFO L425 ceAbstractionStarter]: For program point L341(lines 340 359) no Hoare annotation was computed. [2018-11-18 16:30:37,369 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse0 .cse3) .cse5 (and .cse2 .cse1 .cse6) .cse4) (or .cse7 .cse3 .cse5 (and .cse2 .cse6)) (or .cse7 .cse1 .cse3 .cse5 .cse4))) [2018-11-18 16:30:37,369 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2018-11-18 16:30:37,369 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2018-11-18 16:30:37,369 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L428 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-11-18 16:30:37,370 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 90 104) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L428 ceAbstractionStarter]: At program point L90-3(lines 90 104) the Hoare annotation is: true [2018-11-18 16:30:37,370 INFO L428 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L428 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-11-18 16:30:37,370 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-11-18 16:30:37,370 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:30:37,371 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 16:30:37,371 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:30:37,371 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:30:37,371 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2018-11-18 16:30:37,371 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~pumpRunning~0 1) .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse3 .cse0) .cse1 .cse2 .cse4))) [2018-11-18 16:30:37,371 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2018-11-18 16:30:37,371 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 16:30:37,371 INFO L421 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-18 16:30:37,371 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2018-11-18 16:30:37,371 INFO L421 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse0 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse0))) [2018-11-18 16:30:37,371 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2018-11-18 16:30:37,372 INFO L421 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 16:30:37,372 INFO L425 ceAbstractionStarter]: For program point L375-1(line 375) no Hoare annotation was computed. [2018-11-18 16:30:37,372 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2018-11-18 16:30:37,372 INFO L421 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-18 16:30:37,372 INFO L425 ceAbstractionStarter]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2018-11-18 16:30:37,372 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2018-11-18 16:30:37,372 INFO L425 ceAbstractionStarter]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2018-11-18 16:30:37,372 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) .cse1 .cse2 .cse3) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-11-18 16:30:37,372 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2018-11-18 16:30:37,372 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2018-11-18 16:30:37,372 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-11-18 16:30:37,372 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2018-11-18 16:30:37,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:30:37 BoogieIcfgContainer [2018-11-18 16:30:37,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:30:37,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:30:37,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:30:37,388 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:30:37,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:30:25" (3/4) ... [2018-11-18 16:30:37,391 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:30:37,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:30:37,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:30:37,398 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 16:30:37,398 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:30:37,398 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:30:37,398 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:30:37,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 16:30:37,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:30:37,405 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:30:37,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:30:37,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:30:37,457 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58d8cfd3-5c71-476c-ad88-0a6b2834f023/bin-2019/utaipan/witness.graphml [2018-11-18 16:30:37,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:30:37,458 INFO L168 Benchmark]: Toolchain (without parser) took 13080.48 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 616.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 464.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:30:37,459 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:30:37,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:30:37,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:30:37,459 INFO L168 Benchmark]: Boogie Preprocessor took 35.85 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. [2018-11-18 16:30:37,459 INFO L168 Benchmark]: RCFGBuilder took 551.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:30:37,460 INFO L168 Benchmark]: TraceAbstraction took 12000.32 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 491.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -76.9 MB). Peak memory consumption was 738.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:30:37,460 INFO L168 Benchmark]: Witness Printer took 70.12 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:30:37,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.98 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 35.85 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 551.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12000.32 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 491.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -76.9 MB). Peak memory consumption was 738.1 MB. Max. memory is 11.5 GB. * Witness Printer took 70.12 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 11.9s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2146 SDtfs, 1332 SDslu, 4431 SDs, 0 SdLazy, 2141 SolverSat, 456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 759 GetRequests, 666 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1207occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 702 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1793 PreInvPairs, 1878 NumberOfFragments, 2045 HoareAnnotationTreeSize, 1793 FomulaSimplifications, 13292 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11832 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1547 NumberOfCodeBlocks, 1547 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1840 ConstructedInterpolants, 0 QuantifiedInterpolants, 359010 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1645 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 296/316 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...