./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/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 59e8ffce74c1b6945f19c84278937c63a4a3dd33 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:54:16,845 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:54:16,846 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:54:16,854 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:54:16,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:54:16,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:54:16,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:54:16,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:54:16,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:54:16,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:54:16,858 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:54:16,859 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:54:16,859 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:54:16,860 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:54:16,861 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:54:16,861 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:54:16,862 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:54:16,863 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:54:16,864 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:54:16,865 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:54:16,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:54:16,867 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:54:16,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:54:16,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:54:16,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:54:16,869 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:54:16,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:54:16,870 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:54:16,871 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:54:16,872 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:54:16,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:54:16,872 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:54:16,873 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:54:16,873 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:54:16,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:54:16,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:54:16,874 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:54:16,884 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:54:16,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:54:16,885 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:54:16,885 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:54:16,885 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:54:16,885 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:54:16,885 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:54:16,885 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:54:16,885 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:54:16,886 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:54:16,886 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:54:16,886 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:54:16,886 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:54:16,887 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:54:16,887 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:54:16,887 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:54:16,887 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:54:16,887 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:54:16,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:54:16,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:54:16,888 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:54:16,888 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:54:16,888 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:54:16,888 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:54:16,888 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:54:16,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:54:16,888 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:54:16,889 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:54:16,889 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:54:16,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:54:16,889 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:54:16,889 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:54:16,889 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:54:16,889 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:54:16,889 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:54:16,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:54:16,890 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:54:16,890 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_2c168671-0a50-4ab5-b039-26b8b4265cd8/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 -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2018-11-23 02:54:16,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:54:16,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:54:16,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:54:16,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:54:16,922 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:54:16,922 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-23 02:54:16,961 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/data/870b66f4f/73e06fb68a8645418d329bc17453199e/FLAG7af63468b [2018-11-23 02:54:17,399 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:54:17,400 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-23 02:54:17,409 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/data/870b66f4f/73e06fb68a8645418d329bc17453199e/FLAG7af63468b [2018-11-23 02:54:17,417 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/data/870b66f4f/73e06fb68a8645418d329bc17453199e [2018-11-23 02:54:17,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:54:17,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:54:17,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:54:17,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:54:17,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:54:17,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17, skipping insertion in model container [2018-11-23 02:54:17,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:54:17,460 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:54:17,655 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:54:17,664 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:54:17,760 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:54:17,775 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:54:17,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17 WrapperNode [2018-11-23 02:54:17,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:54:17,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:54:17,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:54:17,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:54:17,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:54:17,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:54:17,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:54:17,797 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:54:17,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... [2018-11-23 02:54:17,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:54:17,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:54:17,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:54:17,822 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:54:17,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:54:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 02:54:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 02:54:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:54:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:54:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 02:54:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 02:54:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:54:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 02:54:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 02:54:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 02:54:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 02:54:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 02:54:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 02:54:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 02:54:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 02:54:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 02:54:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 02:54:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 02:54:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 02:54:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 02:54:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 02:54:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 02:54:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 02:54:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 02:54:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 02:54:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 02:54:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 02:54:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 02:54:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 02:54:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 02:54:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 02:54:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 02:54:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 02:54:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 02:54:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 02:54:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 02:54:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 02:54:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 02:54:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 02:54:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 02:54:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 02:54:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 02:54:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 02:54:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 02:54:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 02:54:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 02:54:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 02:54:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 02:54:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 02:54:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 02:54:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 02:54:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 02:54:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 02:54:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:54:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:54:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:54:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 02:54:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 02:54:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 02:54:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 02:54:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 02:54:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 02:54:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:54:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:54:18,258 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:54:18,258 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 02:54:18,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:54:18 BoogieIcfgContainer [2018-11-23 02:54:18,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:54:18,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:54:18,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:54:18,261 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:54:18,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:54:17" (1/3) ... [2018-11-23 02:54:18,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a81eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:54:18, skipping insertion in model container [2018-11-23 02:54:18,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:17" (2/3) ... [2018-11-23 02:54:18,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a81eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:54:18, skipping insertion in model container [2018-11-23 02:54:18,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:54:18" (3/3) ... [2018-11-23 02:54:18,264 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-23 02:54:18,272 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:54:18,278 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:54:18,287 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:54:18,309 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:54:18,309 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:54:18,309 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:54:18,309 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:54:18,309 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:54:18,309 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:54:18,309 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:54:18,309 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:54:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-11-23 02:54:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 02:54:18,328 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:18,329 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:18,331 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:18,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:18,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2001401742, now seen corresponding path program 1 times [2018-11-23 02:54:18,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:18,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:18,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:18,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:18,363 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:18,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:18,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:54:18,513 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:18,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:54:18,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:54:18,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:54:18,530 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-11-23 02:54:18,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:18,560 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-11-23 02:54:18,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:54:18,561 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 02:54:18,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:18,568 INFO L225 Difference]: With dead ends: 306 [2018-11-23 02:54:18,568 INFO L226 Difference]: Without dead ends: 153 [2018-11-23 02:54:18,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:54:18,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-23 02:54:18,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-23 02:54:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-23 02:54:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-11-23 02:54:18,606 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2018-11-23 02:54:18,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:18,607 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-11-23 02:54:18,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:54:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-11-23 02:54:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 02:54:18,609 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:18,609 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:18,609 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:18,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:18,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1725615412, now seen corresponding path program 1 times [2018-11-23 02:54:18,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:18,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:18,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:18,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:18,610 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:18,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:18,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:18,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:54:18,686 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:18,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:54:18,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:54:18,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:54:18,688 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-11-23 02:54:18,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:18,708 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2018-11-23 02:54:18,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:54:18,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 02:54:18,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:18,711 INFO L225 Difference]: With dead ends: 251 [2018-11-23 02:54:18,711 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 02:54:18,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:54:18,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 02:54:18,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-23 02:54:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 02:54:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-11-23 02:54:18,725 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2018-11-23 02:54:18,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:18,725 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-11-23 02:54:18,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:54:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-11-23 02:54:18,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 02:54:18,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:18,727 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:18,727 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:18,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:18,727 INFO L82 PathProgramCache]: Analyzing trace with hash -625581009, now seen corresponding path program 1 times [2018-11-23 02:54:18,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:18,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:18,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:18,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:18,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:18,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:18,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 02:54:18,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:18,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:54:18,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:54:18,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:54:18,835 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-11-23 02:54:19,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:19,102 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-11-23 02:54:19,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:54:19,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-23 02:54:19,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:19,104 INFO L225 Difference]: With dead ends: 264 [2018-11-23 02:54:19,105 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 02:54:19,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:54:19,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 02:54:19,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-23 02:54:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 02:54:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-23 02:54:19,117 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2018-11-23 02:54:19,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:19,117 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-23 02:54:19,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:54:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-23 02:54:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 02:54:19,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:19,119 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:19,120 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:19,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:19,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1965916871, now seen corresponding path program 1 times [2018-11-23 02:54:19,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:19,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:19,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:19,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:19,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:19,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:19,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:54:19,211 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:19,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:54:19,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:54:19,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:54:19,212 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-11-23 02:54:19,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:19,608 INFO L93 Difference]: Finished difference Result 383 states and 463 transitions. [2018-11-23 02:54:19,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:54:19,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-23 02:54:19,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:19,610 INFO L225 Difference]: With dead ends: 383 [2018-11-23 02:54:19,610 INFO L226 Difference]: Without dead ends: 263 [2018-11-23 02:54:19,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:54:19,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-11-23 02:54:19,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 244. [2018-11-23 02:54:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-11-23 02:54:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 277 transitions. [2018-11-23 02:54:19,634 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 277 transitions. Word has length 76 [2018-11-23 02:54:19,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:19,634 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 277 transitions. [2018-11-23 02:54:19,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:54:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 277 transitions. [2018-11-23 02:54:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 02:54:19,636 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:19,636 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:19,637 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:19,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:19,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1982144752, now seen corresponding path program 1 times [2018-11-23 02:54:19,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:19,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:19,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:19,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:19,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:19,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:19,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:54:19,729 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:19,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:54:19,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:54:19,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:54:19,730 INFO L87 Difference]: Start difference. First operand 244 states and 277 transitions. Second operand 6 states. [2018-11-23 02:54:19,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:19,908 INFO L93 Difference]: Finished difference Result 591 states and 704 transitions. [2018-11-23 02:54:19,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:54:19,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-23 02:54:19,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:19,912 INFO L225 Difference]: With dead ends: 591 [2018-11-23 02:54:19,912 INFO L226 Difference]: Without dead ends: 371 [2018-11-23 02:54:19,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:54:19,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-11-23 02:54:19,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-11-23 02:54:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-23 02:54:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 422 transitions. [2018-11-23 02:54:19,935 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 422 transitions. Word has length 90 [2018-11-23 02:54:19,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:19,935 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 422 transitions. [2018-11-23 02:54:19,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:54:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 422 transitions. [2018-11-23 02:54:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 02:54:19,937 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:19,937 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:19,937 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:19,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:19,937 INFO L82 PathProgramCache]: Analyzing trace with hash 685565194, now seen corresponding path program 1 times [2018-11-23 02:54:19,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:19,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:19,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:19,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:19,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:20,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:20,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:54:20,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:20,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:54:20,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:54:20,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:54:20,024 INFO L87 Difference]: Start difference. First operand 367 states and 422 transitions. Second operand 6 states. [2018-11-23 02:54:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:20,208 INFO L93 Difference]: Finished difference Result 802 states and 959 transitions. [2018-11-23 02:54:20,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:54:20,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-23 02:54:20,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:20,212 INFO L225 Difference]: With dead ends: 802 [2018-11-23 02:54:20,212 INFO L226 Difference]: Without dead ends: 582 [2018-11-23 02:54:20,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:54:20,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2018-11-23 02:54:20,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2018-11-23 02:54:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-11-23 02:54:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 664 transitions. [2018-11-23 02:54:20,249 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 664 transitions. Word has length 94 [2018-11-23 02:54:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:20,249 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 664 transitions. [2018-11-23 02:54:20,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:54:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 664 transitions. [2018-11-23 02:54:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 02:54:20,252 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:20,252 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:20,252 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:20,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:20,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1250095093, now seen corresponding path program 1 times [2018-11-23 02:54:20,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:20,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:20,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:20,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:20,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:20,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:20,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:54:20,303 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:20,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:54:20,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:54:20,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:54:20,304 INFO L87 Difference]: Start difference. First operand 564 states and 664 transitions. Second operand 5 states. [2018-11-23 02:54:20,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:20,339 INFO L93 Difference]: Finished difference Result 991 states and 1193 transitions. [2018-11-23 02:54:20,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:54:20,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-11-23 02:54:20,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:20,343 INFO L225 Difference]: With dead ends: 991 [2018-11-23 02:54:20,343 INFO L226 Difference]: Without dead ends: 574 [2018-11-23 02:54:20,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:54:20,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-11-23 02:54:20,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 568. [2018-11-23 02:54:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2018-11-23 02:54:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 667 transitions. [2018-11-23 02:54:20,372 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 667 transitions. Word has length 94 [2018-11-23 02:54:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:20,373 INFO L480 AbstractCegarLoop]: Abstraction has 568 states and 667 transitions. [2018-11-23 02:54:20,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:54:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 667 transitions. [2018-11-23 02:54:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 02:54:20,375 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:20,375 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:20,375 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:20,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:20,375 INFO L82 PathProgramCache]: Analyzing trace with hash -590563571, now seen corresponding path program 1 times [2018-11-23 02:54:20,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:20,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:20,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:20,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:20,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:20,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:20,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 02:54:20,445 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:20,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:54:20,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:54:20,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:54:20,446 INFO L87 Difference]: Start difference. First operand 568 states and 667 transitions. Second operand 9 states. [2018-11-23 02:54:20,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:20,504 INFO L93 Difference]: Finished difference Result 1116 states and 1338 transitions. [2018-11-23 02:54:20,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:54:20,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-11-23 02:54:20,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:20,508 INFO L225 Difference]: With dead ends: 1116 [2018-11-23 02:54:20,508 INFO L226 Difference]: Without dead ends: 572 [2018-11-23 02:54:20,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:54:20,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-11-23 02:54:20,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2018-11-23 02:54:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-11-23 02:54:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 663 transitions. [2018-11-23 02:54:20,538 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 663 transitions. Word has length 94 [2018-11-23 02:54:20,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:20,538 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 663 transitions. [2018-11-23 02:54:20,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:54:20,538 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 663 transitions. [2018-11-23 02:54:20,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 02:54:20,540 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:20,540 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:20,540 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:20,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:20,540 INFO L82 PathProgramCache]: Analyzing trace with hash -312273476, now seen corresponding path program 1 times [2018-11-23 02:54:20,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:20,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:20,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:20,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:20,541 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:20,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:54:20,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:54:20,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 02:54:20,637 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:20,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:54:20,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:54:20,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:54:20,638 INFO L87 Difference]: Start difference. First operand 566 states and 663 transitions. Second operand 10 states. [2018-11-23 02:54:20,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:20,770 INFO L93 Difference]: Finished difference Result 1114 states and 1308 transitions. [2018-11-23 02:54:20,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 02:54:20,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2018-11-23 02:54:20,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:20,772 INFO L225 Difference]: With dead ends: 1114 [2018-11-23 02:54:20,772 INFO L226 Difference]: Without dead ends: 572 [2018-11-23 02:54:20,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:54:20,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-11-23 02:54:20,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 551. [2018-11-23 02:54:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2018-11-23 02:54:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 628 transitions. [2018-11-23 02:54:20,792 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 628 transitions. Word has length 95 [2018-11-23 02:54:20,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:20,792 INFO L480 AbstractCegarLoop]: Abstraction has 551 states and 628 transitions. [2018-11-23 02:54:20,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:54:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 628 transitions. [2018-11-23 02:54:20,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 02:54:20,794 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:20,795 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:20,795 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:20,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:20,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1398386727, now seen corresponding path program 1 times [2018-11-23 02:54:20,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:20,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:20,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:20,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:20,796 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 02:54:20,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:54:20,855 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:54:20,856 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-23 02:54:20,857 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [89], [91], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-11-23 02:54:20,890 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:54:20,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:54:21,253 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:54:21,255 INFO L272 AbstractInterpreter]: Visited 61 different actions 61 times. Never merged. Never widened. Performed 2081 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2081 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 02:54:21,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:21,260 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:54:21,534 INFO L227 lantSequenceWeakener]: Weakened 72 states. On average, predicates are now at 96.41% of their original sizes. [2018-11-23 02:54:21,534 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:54:21,613 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-23 02:54:21,613 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:54:21,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:54:21,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-11-23 02:54:21,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:21,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 02:54:21,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 02:54:21,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-11-23 02:54:21,615 INFO L87 Difference]: Start difference. First operand 551 states and 628 transitions. Second operand 16 states. [2018-11-23 02:54:23,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:23,598 INFO L93 Difference]: Finished difference Result 1148 states and 1318 transitions. [2018-11-23 02:54:23,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 02:54:23,598 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 139 [2018-11-23 02:54:23,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:23,602 INFO L225 Difference]: With dead ends: 1148 [2018-11-23 02:54:23,602 INFO L226 Difference]: Without dead ends: 621 [2018-11-23 02:54:23,606 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2018-11-23 02:54:23,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2018-11-23 02:54:23,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 619. [2018-11-23 02:54:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-11-23 02:54:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 702 transitions. [2018-11-23 02:54:23,632 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 702 transitions. Word has length 139 [2018-11-23 02:54:23,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:23,633 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 702 transitions. [2018-11-23 02:54:23,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 02:54:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 702 transitions. [2018-11-23 02:54:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 02:54:23,636 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:23,637 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:23,637 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:23,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:23,637 INFO L82 PathProgramCache]: Analyzing trace with hash 594226475, now seen corresponding path program 1 times [2018-11-23 02:54:23,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:23,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:23,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:23,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:23,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 02:54:23,706 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:54:23,706 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:54:23,706 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-23 02:54:23,707 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [89], [91], [94], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [141], [143], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [301], [302], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-11-23 02:54:23,710 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:54:23,710 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:54:23,957 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:54:23,957 INFO L272 AbstractInterpreter]: Visited 66 different actions 97 times. Merged at 4 different actions 4 times. Never widened. Performed 5297 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5297 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 02:54:23,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:23,970 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:54:24,241 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 96.4% of their original sizes. [2018-11-23 02:54:24,241 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:54:24,408 INFO L415 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-11-23 02:54:24,408 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:54:24,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:54:24,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-23 02:54:24,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:24,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 02:54:24,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 02:54:24,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:54:24,409 INFO L87 Difference]: Start difference. First operand 619 states and 702 transitions. Second operand 19 states. [2018-11-23 02:54:26,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:26,929 INFO L93 Difference]: Finished difference Result 1162 states and 1333 transitions. [2018-11-23 02:54:26,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-23 02:54:26,929 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 143 [2018-11-23 02:54:26,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:26,931 INFO L225 Difference]: With dead ends: 1162 [2018-11-23 02:54:26,931 INFO L226 Difference]: Without dead ends: 635 [2018-11-23 02:54:26,932 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=935, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 02:54:26,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2018-11-23 02:54:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 555. [2018-11-23 02:54:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-11-23 02:54:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 621 transitions. [2018-11-23 02:54:26,954 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 621 transitions. Word has length 143 [2018-11-23 02:54:26,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:26,954 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 621 transitions. [2018-11-23 02:54:26,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 02:54:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 621 transitions. [2018-11-23 02:54:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 02:54:26,956 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:26,956 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:26,956 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:26,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:26,957 INFO L82 PathProgramCache]: Analyzing trace with hash 267209549, now seen corresponding path program 1 times [2018-11-23 02:54:26,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:26,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:26,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:26,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:26,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 02:54:27,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:54:27,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:54:27,052 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-23 02:54:27,052 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [86], [89], [91], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-11-23 02:54:27,055 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:54:27,055 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:54:27,232 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:54:27,232 INFO L272 AbstractInterpreter]: Visited 66 different actions 99 times. Merged at 6 different actions 6 times. Never widened. Performed 5308 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5308 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 02:54:27,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:27,238 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:54:27,373 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 96.41% of their original sizes. [2018-11-23 02:54:27,373 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:54:27,469 INFO L415 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-11-23 02:54:27,469 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:54:27,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:54:27,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-23 02:54:27,470 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:54:27,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 02:54:27,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 02:54:27,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:54:27,471 INFO L87 Difference]: Start difference. First operand 555 states and 621 transitions. Second operand 19 states. [2018-11-23 02:54:29,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:29,810 INFO L93 Difference]: Finished difference Result 1110 states and 1272 transitions. [2018-11-23 02:54:29,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 02:54:29,811 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 143 [2018-11-23 02:54:29,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:29,813 INFO L225 Difference]: With dead ends: 1110 [2018-11-23 02:54:29,813 INFO L226 Difference]: Without dead ends: 721 [2018-11-23 02:54:29,814 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-11-23 02:54:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-23 02:54:29,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 719. [2018-11-23 02:54:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-11-23 02:54:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 805 transitions. [2018-11-23 02:54:29,833 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 805 transitions. Word has length 143 [2018-11-23 02:54:29,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:29,833 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 805 transitions. [2018-11-23 02:54:29,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 02:54:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 805 transitions. [2018-11-23 02:54:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 02:54:29,835 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:54:29,835 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:54:29,835 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:54:29,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:29,836 INFO L82 PathProgramCache]: Analyzing trace with hash -752833622, now seen corresponding path program 1 times [2018-11-23 02:54:29,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:54:29,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:29,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:29,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:54:29,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:54:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:54:29,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:54:29,890 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:54:29,890 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-23 02:54:29,890 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [89], [91], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-11-23 02:54:29,892 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:54:29,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:54:30,127 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:54:30,127 INFO L272 AbstractInterpreter]: Visited 99 different actions 123 times. Merged at 6 different actions 6 times. Never widened. Performed 6819 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6819 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 02:54:30,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:54:30,129 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:54:30,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:54:30,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:54:30,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:54:30,138 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:54:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:54:30,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:54:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:54:30,332 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:54:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 02:54:30,663 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:54:30,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-23 02:54:30,663 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:54:30,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 02:54:30,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 02:54:30,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-23 02:54:30,664 INFO L87 Difference]: Start difference. First operand 719 states and 805 transitions. Second operand 15 states. [2018-11-23 02:54:32,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:54:32,805 INFO L93 Difference]: Finished difference Result 2131 states and 2855 transitions. [2018-11-23 02:54:32,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 02:54:32,805 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2018-11-23 02:54:32,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:54:32,806 INFO L225 Difference]: With dead ends: 2131 [2018-11-23 02:54:32,806 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:54:32,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 276 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 02:54:32,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:54:32,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:54:32,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:54:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:54:32,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2018-11-23 02:54:32,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:54:32,812 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:54:32,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 02:54:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:54:32,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:54:32,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:54:32,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:32,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:33,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:54:34,350 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 42 [2018-11-23 02:54:34,759 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2018-11-23 02:54:34,889 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2018-11-23 02:54:35,162 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2018-11-23 02:54:35,527 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2018-11-23 02:54:36,323 WARN L180 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2018-11-23 02:54:36,400 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2018-11-23 02:54:36,400 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2018-11-23 02:54:36,400 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2018-11-23 02:54:36,400 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2018-11-23 02:54:36,400 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2018-11-23 02:54:36,400 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,400 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2018-11-23 02:54:36,400 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,400 INFO L444 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,400 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,401 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,401 INFO L444 ceAbstractionStarter]: At program point L235-1(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2018-11-23 02:54:36,401 INFO L451 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-11-23 02:54:36,401 INFO L448 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2018-11-23 02:54:36,402 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L451 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2018-11-23 02:54:36,402 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 02:54:36,403 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-11-23 02:54:36,403 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,403 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 02:54:36,403 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-11-23 02:54:36,403 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L451 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L448 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-11-23 02:54:36,404 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2018-11-23 02:54:36,405 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-23 02:54:36,405 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse1 (= ~methaneLevelCritical~0 1) .cse4 (not (= ~waterLevel~0 1)))))) [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-23 02:54:36,405 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2) (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse7 .cse4) (or (and .cse8 (<= ~waterLevel~0 1) .cse5) .cse7 .cse6) (or .cse0 .cse8 .cse6 .cse2) (or .cse0 (= ~waterLevel~0 2) .cse2 .cse4 (not (= |old(~waterLevel~0)| 2)))))) [2018-11-23 02:54:36,405 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse5 .cse4 .cse6 .cse7) (or (or (= ~waterLevel~0 1) .cse8) (and .cse6 .cse9) .cse0 .cse7) (or .cse3 .cse10 .cse1 .cse5) (or .cse3 .cse8 .cse5 .cse7 .cse9) (or .cse10 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse3 .cse1 .cse5)))) [2018-11-23 02:54:36,405 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and (= 1 ~waterLevel~0) .cse7)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= ~waterLevel~0 1)) (.cse9 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse2) (or .cse0 .cse2 .cse1 .cse3 .cse8) (or .cse0 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse2 .cse8 (not (= |old(~waterLevel~0)| 2))) (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse9 .cse8) (or (and .cse10 (= 0 ~pumpRunning~0) .cse6) (and .cse10 .cse6 .cse7) .cse9 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse10 .cse2)))) [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-11-23 02:54:36,405 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0) (or (and (not (= |old(~waterLevel~0)| 1)) (not (= |old(~waterLevel~0)| 2))) .cse2 (not (= ~methaneLevelCritical~0 0)) (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)))))) [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-11-23 02:54:36,405 INFO L451 ceAbstractionStarter]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2018-11-23 02:54:36,405 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2018-11-23 02:54:36,406 INFO L451 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L451 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L444 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2018-11-23 02:54:36,406 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0) .cse3 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1))) [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2018-11-23 02:54:36,406 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse1 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse6 .cse3))) [2018-11-23 02:54:36,406 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L451 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (and (not (= |old(~waterLevel~0)| 1)) (not (= |old(~waterLevel~0)| 2))) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1))) [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 02:54:36,407 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-11-23 02:54:36,407 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse3 .cse2) (or .cse1 (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 02:54:36,407 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse1 (not (= ~waterLevel~0 2))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 02:54:36,407 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse2) .cse1))) [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse6))) (and (or (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (and .cse0 (not (= |old(~waterLevel~0)| 2))) .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse4 .cse1) (or (and (or (not (= ~methaneLevelCritical~0 1)) .cse5 .cse6 .cse0) (or .cse5 .cse6 .cse0 .cse2)) (= 1 ~waterLevel~0)) (or .cse1 (< 2 |old(~waterLevel~0)|) (<= ~waterLevel~0 2))))) [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 02:54:36,408 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-23 02:54:36,408 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-11-23 02:54:36,408 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 02:54:36,409 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 02:54:36,409 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-11-23 02:54:36,409 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 02:54:36,409 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-23 02:54:36,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:54:36 BoogieIcfgContainer [2018-11-23 02:54:36,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:54:36,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:54:36,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:54:36,419 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:54:36,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:54:18" (3/4) ... [2018-11-23 02:54:36,422 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 02:54:36,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 02:54:36,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 02:54:36,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 02:54:36,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 02:54:36,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 02:54:36,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 02:54:36,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 02:54:36,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 02:54:36,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 02:54:36,436 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 02:54:36,436 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 02:54:36,437 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 02:54:36,437 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 02:54:36,439 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:54:36,439 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:54:36,440 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:54:36,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 02:54:36,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 02:54:36,497 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2c168671-0a50-4ab5-b039-26b8b4265cd8/bin-2019/utaipan/witness.graphml [2018-11-23 02:54:36,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:54:36,498 INFO L168 Benchmark]: Toolchain (without parser) took 19078.38 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 923.3 MB). Free memory was 955.4 MB in the beginning and 1.7 GB in the end (delta: -753.7 MB). Peak memory consumption was 169.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:54:36,498 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-23 02:54:36,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:54:36,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.15 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:54:36,499 INFO L168 Benchmark]: Boogie Preprocessor took 24.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:54:36,499 INFO L168 Benchmark]: RCFGBuilder took 436.85 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:54:36,499 INFO L168 Benchmark]: TraceAbstraction took 18159.45 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 770.2 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -659.5 MB). Peak memory consumption was 891.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:54:36,499 INFO L168 Benchmark]: Witness Printer took 78.44 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:54:36,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.15 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 436.85 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18159.45 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 770.2 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -659.5 MB). Peak memory consumption was 891.8 MB. Max. memory is 11.5 GB. * Witness Printer took 78.44 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 18.1s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 10.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2504 SDtfs, 2386 SDslu, 10368 SDs, 0 SdLazy, 5289 SolverSat, 1268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 877 GetRequests, 687 SyntacticMatches, 14 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 943 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=719occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9978471646644226 AbsIntWeakeningRatio, 0.9028436018957346 AbsIntAvgWeakeningVarsNumRemoved, 38.343601895734594 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 158 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2610 PreInvPairs, 2973 NumberOfFragments, 2137 HoareAnnotationTreeSize, 2610 FomulaSimplifications, 7736 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 19521 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1417 NumberOfCodeBlocks, 1417 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1545 ConstructedInterpolants, 0 QuantifiedInterpolants, 277260 SizeOfPredicates, 7 NumberOfNonLiveVariables, 852 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 164/186 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...