./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/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 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:49:53,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:49:53,764 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:49:53,776 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:49:53,777 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:49:53,778 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:49:53,781 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:49:53,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:49:53,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:49:53,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:49:53,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:49:53,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:49:53,792 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:49:53,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:49:53,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:49:53,802 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:49:53,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:49:53,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:49:53,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:49:53,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:49:53,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:49:53,816 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:49:53,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:49:53,821 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:49:53,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:49:53,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:49:53,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:49:53,823 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:49:53,825 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:49:53,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:49:53,827 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:49:53,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:49:53,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:49:53,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:49:53,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:49:53,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:49:53,829 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:49:53,845 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:49:53,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:49:53,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:49:53,846 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:49:53,846 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:49:53,846 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:49:53,847 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:49:53,847 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:49:53,847 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:49:53,847 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:49:53,847 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:49:53,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:49:53,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:49:53,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:49:53,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:49:53,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:49:53,848 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:49:53,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:49:53,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:49:53,849 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:49:53,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:49:53,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:49:53,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:49:53,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:49:53,850 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:49:53,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:49:53,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:49:53,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:49:53,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:49:53,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:49:53,850 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:49:53,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:49:53,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:49:53,851 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:49:53,851 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_b5e78a0c-bc91-4ad9-ba31-42ff38651922/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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2018-10-26 20:49:53,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:49:53,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:49:53,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:49:53,916 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:49:53,917 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:49:53,918 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-10-26 20:49:53,970 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/data/75f1ee0e3/a8332133fa1c4804af7916d6c0ebaf9f/FLAG2d26fa5b3 [2018-10-26 20:49:54,407 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:49:54,407 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-10-26 20:49:54,419 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/data/75f1ee0e3/a8332133fa1c4804af7916d6c0ebaf9f/FLAG2d26fa5b3 [2018-10-26 20:49:54,439 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/data/75f1ee0e3/a8332133fa1c4804af7916d6c0ebaf9f [2018-10-26 20:49:54,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:49:54,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:49:54,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:49:54,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:49:54,446 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:49:54,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:54,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790c91c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54, skipping insertion in model container [2018-10-26 20:49:54,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:54,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:49:54,501 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:49:54,771 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:49:54,787 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:49:54,869 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:49:54,893 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:49:54,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54 WrapperNode [2018-10-26 20:49:54,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:49:54,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:49:54,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:49:54,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:49:54,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:54,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:55,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:49:55,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:49:55,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:49:55,024 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:49:55,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:55,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:55,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:55,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:55,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:55,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:55,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... [2018-10-26 20:49:55,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:49:55,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:49:55,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:49:55,078 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:49:55,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/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 [2018-10-26 20:49:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 20:49:55,170 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 20:49:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-10-26 20:49:55,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-10-26 20:49:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:49:55,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:49:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 20:49:55,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 20:49:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 20:49:55,171 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 20:49:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 20:49:55,171 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 20:49:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-26 20:49:55,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-26 20:49:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:49:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:49:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 20:49:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 20:49:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-10-26 20:49:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-10-26 20:49:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 20:49:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 20:49:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-26 20:49:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-26 20:49:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-26 20:49:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-26 20:49:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 20:49:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 20:49:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:49:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:49:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:49:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:49:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 20:49:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 20:49:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 20:49:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 20:49:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 20:49:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 20:49:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:49:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:49:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 20:49:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 20:49:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 20:49:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 20:49:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 20:49:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 20:49:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 20:49:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 20:49:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 20:49:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 20:49:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:49:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:49:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:49:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:49:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:49:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:49:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:49:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:49:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 20:49:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 20:49:56,265 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:49:56,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:49:56 BoogieIcfgContainer [2018-10-26 20:49:56,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:49:56,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:49:56,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:49:56,270 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:49:56,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:49:54" (1/3) ... [2018-10-26 20:49:56,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6409e9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:49:56, skipping insertion in model container [2018-10-26 20:49:56,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:54" (2/3) ... [2018-10-26 20:49:56,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6409e9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:49:56, skipping insertion in model container [2018-10-26 20:49:56,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:49:56" (3/3) ... [2018-10-26 20:49:56,274 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-10-26 20:49:56,283 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:49:56,291 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:49:56,307 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:49:56,339 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:49:56,339 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:49:56,339 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:49:56,339 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:49:56,339 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:49:56,340 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:49:56,340 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:49:56,340 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:49:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-10-26 20:49:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:49:56,369 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:49:56,370 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:49:56,372 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:49:56,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:49:56,384 INFO L82 PathProgramCache]: Analyzing trace with hash -41848425, now seen corresponding path program 1 times [2018-10-26 20:49:56,386 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:49:56,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:56,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:49:56,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:56,435 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:49:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:56,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:49:56,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:49:56,634 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:49:56,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:49:56,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:49:56,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:49:56,654 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-10-26 20:49:56,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:49:56,694 INFO L93 Difference]: Finished difference Result 290 states and 353 transitions. [2018-10-26 20:49:56,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:49:56,696 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 20:49:56,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:49:56,708 INFO L225 Difference]: With dead ends: 290 [2018-10-26 20:49:56,708 INFO L226 Difference]: Without dead ends: 145 [2018-10-26 20:49:56,712 INFO L605 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 [2018-10-26 20:49:56,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-10-26 20:49:56,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-10-26 20:49:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-10-26 20:49:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 168 transitions. [2018-10-26 20:49:56,766 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 168 transitions. Word has length 46 [2018-10-26 20:49:56,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:49:56,766 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 168 transitions. [2018-10-26 20:49:56,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:49:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 168 transitions. [2018-10-26 20:49:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:49:56,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:49:56,769 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:49:56,770 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:49:56,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:49:56,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1807337891, now seen corresponding path program 1 times [2018-10-26 20:49:56,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:49:56,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:56,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:49:56,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:56,771 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:49:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:56,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:49:56,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:49:56,909 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:49:56,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:49:56,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:49:56,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:49:56,912 INFO L87 Difference]: Start difference. First operand 145 states and 168 transitions. Second operand 3 states. [2018-10-26 20:49:56,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:49:56,939 INFO L93 Difference]: Finished difference Result 237 states and 273 transitions. [2018-10-26 20:49:56,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:49:56,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 20:49:56,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:49:56,942 INFO L225 Difference]: With dead ends: 237 [2018-10-26 20:49:56,942 INFO L226 Difference]: Without dead ends: 135 [2018-10-26 20:49:56,944 INFO L605 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 [2018-10-26 20:49:56,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-10-26 20:49:56,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-10-26 20:49:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-10-26 20:49:56,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-10-26 20:49:56,959 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 48 [2018-10-26 20:49:56,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:49:56,960 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-10-26 20:49:56,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:49:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-10-26 20:49:56,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:49:56,965 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:49:56,965 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:49:56,965 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:49:56,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:49:56,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1766175785, now seen corresponding path program 1 times [2018-10-26 20:49:56,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:49:56,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:56,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:49:56,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:56,967 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:49:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:57,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:49:57,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:49:57,184 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:49:57,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:49:57,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:49:57,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:49:57,185 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 7 states. [2018-10-26 20:49:58,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:49:58,026 INFO L93 Difference]: Finished difference Result 246 states and 287 transitions. [2018-10-26 20:49:58,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:49:58,027 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-26 20:49:58,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:49:58,030 INFO L225 Difference]: With dead ends: 246 [2018-10-26 20:49:58,031 INFO L226 Difference]: Without dead ends: 135 [2018-10-26 20:49:58,032 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:49:58,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-10-26 20:49:58,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-10-26 20:49:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-10-26 20:49:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 154 transitions. [2018-10-26 20:49:58,046 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 154 transitions. Word has length 52 [2018-10-26 20:49:58,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:49:58,046 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 154 transitions. [2018-10-26 20:49:58,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:49:58,046 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 154 transitions. [2018-10-26 20:49:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:49:58,048 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:49:58,048 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:49:58,048 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:49:58,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:49:58,049 INFO L82 PathProgramCache]: Analyzing trace with hash 998573884, now seen corresponding path program 1 times [2018-10-26 20:49:58,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:49:58,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:58,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:49:58,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:58,050 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:49:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:58,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:49:58,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:49:58,229 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:49:58,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:49:58,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:49:58,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:49:58,230 INFO L87 Difference]: Start difference. First operand 135 states and 154 transitions. Second operand 5 states. [2018-10-26 20:49:59,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:49:59,103 INFO L93 Difference]: Finished difference Result 344 states and 409 transitions. [2018-10-26 20:49:59,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:49:59,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-10-26 20:49:59,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:49:59,106 INFO L225 Difference]: With dead ends: 344 [2018-10-26 20:49:59,106 INFO L226 Difference]: Without dead ends: 233 [2018-10-26 20:49:59,107 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:49:59,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-10-26 20:49:59,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 214. [2018-10-26 20:49:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-10-26 20:49:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 242 transitions. [2018-10-26 20:49:59,142 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 242 transitions. Word has length 65 [2018-10-26 20:49:59,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:49:59,143 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 242 transitions. [2018-10-26 20:49:59,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:49:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 242 transitions. [2018-10-26 20:49:59,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 20:49:59,145 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:49:59,146 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:49:59,146 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:49:59,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:49:59,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1894845588, now seen corresponding path program 1 times [2018-10-26 20:49:59,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:49:59,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:59,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:49:59,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:59,149 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:49:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:59,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:49:59,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:49:59,306 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:49:59,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:49:59,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:49:59,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:49:59,307 INFO L87 Difference]: Start difference. First operand 214 states and 242 transitions. Second operand 8 states. [2018-10-26 20:49:59,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:49:59,383 INFO L93 Difference]: Finished difference Result 411 states and 477 transitions. [2018-10-26 20:49:59,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:49:59,384 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-10-26 20:49:59,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:49:59,387 INFO L225 Difference]: With dead ends: 411 [2018-10-26 20:49:59,387 INFO L226 Difference]: Without dead ends: 221 [2018-10-26 20:49:59,389 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:49:59,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-10-26 20:49:59,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2018-10-26 20:49:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-10-26 20:49:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 246 transitions. [2018-10-26 20:49:59,410 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 246 transitions. Word has length 79 [2018-10-26 20:49:59,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:49:59,410 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 246 transitions. [2018-10-26 20:49:59,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:49:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 246 transitions. [2018-10-26 20:49:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 20:49:59,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:49:59,414 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:49:59,414 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:49:59,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:49:59,414 INFO L82 PathProgramCache]: Analyzing trace with hash 508642194, now seen corresponding path program 1 times [2018-10-26 20:49:59,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:49:59,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:59,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:49:59,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:49:59,415 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:49:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:59,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:49:59,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 20:49:59,597 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:49:59,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 20:49:59,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 20:49:59,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:49:59,598 INFO L87 Difference]: Start difference. First operand 218 states and 246 transitions. Second operand 10 states. [2018-10-26 20:50:00,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:50:00,269 INFO L93 Difference]: Finished difference Result 702 states and 858 transitions. [2018-10-26 20:50:00,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 20:50:00,270 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-10-26 20:50:00,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:50:00,273 INFO L225 Difference]: With dead ends: 702 [2018-10-26 20:50:00,273 INFO L226 Difference]: Without dead ends: 508 [2018-10-26 20:50:00,274 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-10-26 20:50:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2018-10-26 20:50:00,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 498. [2018-10-26 20:50:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-10-26 20:50:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 579 transitions. [2018-10-26 20:50:00,334 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 579 transitions. Word has length 79 [2018-10-26 20:50:00,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:50:00,334 INFO L481 AbstractCegarLoop]: Abstraction has 498 states and 579 transitions. [2018-10-26 20:50:00,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 20:50:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 579 transitions. [2018-10-26 20:50:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 20:50:00,346 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:50:00,347 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:50:00,347 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:50:00,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:50:00,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1974685500, now seen corresponding path program 1 times [2018-10-26 20:50:00,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:50:00,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:50:00,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:50:00,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:50:00,348 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:50:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:50:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:50:00,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 20:50:00,501 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 20:50:00,502 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-10-26 20:50:00,503 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [50], [53], [55], [56], [59], [74], [77], [78], [81], [83], [84], [85], [89], [95], [99], [103], [106], [111], [117], [119], [122], [137], [138], [141], [142], [143], [145], [150], [153], [154], [156], [159], [163], [164], [165], [166], [179], [183], [189], [217], [218], [229], [230], [233], [235], [238], [241], [248], [251], [255], [256], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [277], [279], [280], [287], [288], [289], [290], [293], [294], [297], [298], [299], [300], [301], [302], [305], [306], [307], [308], [313], [314], [315], [317], [318], [319], [320], [321], [322] [2018-10-26 20:50:00,560 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 20:50:00,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 20:50:05,862 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 20:50:05,863 INFO L272 AbstractInterpreter]: Visited 51 different actions 51 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-26 20:50:05,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:50:05,887 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 20:50:11,629 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 96.76% of their original sizes. [2018-10-26 20:50:11,629 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 20:50:12,294 INFO L415 sIntCurrentIteration]: We unified 153 AI predicates to 153 [2018-10-26 20:50:12,294 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 20:50:12,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 20:50:12,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [6] total 24 [2018-10-26 20:50:12,295 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:50:12,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-26 20:50:12,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-26 20:50:12,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-10-26 20:50:12,296 INFO L87 Difference]: Start difference. First operand 498 states and 579 transitions. Second operand 20 states. [2018-10-26 20:50:33,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:50:33,942 INFO L93 Difference]: Finished difference Result 1351 states and 1631 transitions. [2018-10-26 20:50:33,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-26 20:50:33,942 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 154 [2018-10-26 20:50:33,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:50:33,946 INFO L225 Difference]: With dead ends: 1351 [2018-10-26 20:50:33,947 INFO L226 Difference]: Without dead ends: 877 [2018-10-26 20:50:33,949 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 158 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2018-10-26 20:50:33,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2018-10-26 20:50:34,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 834. [2018-10-26 20:50:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2018-10-26 20:50:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 969 transitions. [2018-10-26 20:50:34,019 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 969 transitions. Word has length 154 [2018-10-26 20:50:34,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:50:34,020 INFO L481 AbstractCegarLoop]: Abstraction has 834 states and 969 transitions. [2018-10-26 20:50:34,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-26 20:50:34,020 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 969 transitions. [2018-10-26 20:50:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 20:50:34,026 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:50:34,026 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:50:34,026 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:50:34,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:50:34,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1027146659, now seen corresponding path program 1 times [2018-10-26 20:50:34,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:50:34,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:50:34,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:50:34,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:50:34,028 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:50:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:50:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:50:34,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 20:50:34,403 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 20:50:34,403 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-10-26 20:50:34,403 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [82], [83], [85], [89], [95], [99], [103], [106], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [165], [166], [171], [173], [176], [179], [183], [189], [217], [218], [221], [225], [229], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [315], [317], [318], [319], [320] [2018-10-26 20:50:34,411 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 20:50:34,412 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 20:51:29,340 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 20:51:29,340 INFO L272 AbstractInterpreter]: Visited 103 different actions 412 times. Merged at 13 different actions 45 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 132 variables. [2018-10-26 20:51:29,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:51:29,356 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 20:51:51,470 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 96.96% of their original sizes. [2018-10-26 20:51:51,470 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 20:51:53,388 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-10-26 20:51:53,388 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 20:51:53,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 20:51:53,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [45] imperfect sequences [13] total 56 [2018-10-26 20:51:53,388 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:51:53,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-10-26 20:51:53,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-10-26 20:51:53,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1783, Unknown=0, NotChecked=0, Total=1980 [2018-10-26 20:51:53,390 INFO L87 Difference]: Start difference. First operand 834 states and 969 transitions. Second operand 45 states. [2018-10-26 20:53:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:53:04,312 INFO L93 Difference]: Finished difference Result 1629 states and 1989 transitions. [2018-10-26 20:53:04,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-10-26 20:53:04,312 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 157 [2018-10-26 20:53:04,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:53:04,318 INFO L225 Difference]: With dead ends: 1629 [2018-10-26 20:53:04,318 INFO L226 Difference]: Without dead ends: 1078 [2018-10-26 20:53:04,322 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 99 SyntacticMatches, 14 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3005 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=774, Invalid=9326, Unknown=0, NotChecked=0, Total=10100 [2018-10-26 20:53:04,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2018-10-26 20:53:04,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 962. [2018-10-26 20:53:04,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2018-10-26 20:53:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1097 transitions. [2018-10-26 20:53:04,408 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1097 transitions. Word has length 157 [2018-10-26 20:53:04,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:53:04,409 INFO L481 AbstractCegarLoop]: Abstraction has 962 states and 1097 transitions. [2018-10-26 20:53:04,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-10-26 20:53:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1097 transitions. [2018-10-26 20:53:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:53:04,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:53:04,412 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:53:04,414 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:53:04,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:53:04,414 INFO L82 PathProgramCache]: Analyzing trace with hash 541974944, now seen corresponding path program 1 times [2018-10-26 20:53:04,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:53:04,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:53:04,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:53:04,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:53:04,415 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:53:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:53:04,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 20:53:04,837 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 20:53:04,838 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-10-26 20:53:04,838 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [89], [95], [99], [103], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [159], [163], [164], [165], [166], [171], [173], [176], [179], [183], [189], [217], [218], [221], [225], [229], [230], [233], [235], [238], [248], [256], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [279], [280], [281], [282], [283], [284], [287], [288], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [315], [317], [318], [319], [320] [2018-10-26 20:53:04,841 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 20:53:04,842 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 20:53:15,064 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 20:53:15,064 INFO L272 AbstractInterpreter]: Visited 63 different actions 90 times. Merged at 3 different actions 3 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-26 20:53:15,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:53:15,077 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 20:53:33,422 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 96.55% of their original sizes. [2018-10-26 20:53:33,423 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 20:53:34,182 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-10-26 20:53:34,182 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 20:53:34,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 20:53:34,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-10-26 20:53:34,182 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:53:34,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-26 20:53:34,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-26 20:53:34,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2018-10-26 20:53:34,183 INFO L87 Difference]: Start difference. First operand 962 states and 1097 transitions. Second operand 27 states. [2018-10-26 20:54:02,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:54:02,502 INFO L93 Difference]: Finished difference Result 1768 states and 2025 transitions. [2018-10-26 20:54:02,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-10-26 20:54:02,502 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 149 [2018-10-26 20:54:02,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:54:02,505 INFO L225 Difference]: With dead ends: 1768 [2018-10-26 20:54:02,506 INFO L226 Difference]: Without dead ends: 830 [2018-10-26 20:54:02,508 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=310, Invalid=1670, Unknown=0, NotChecked=0, Total=1980 [2018-10-26 20:54:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2018-10-26 20:54:02,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 819. [2018-10-26 20:54:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-10-26 20:54:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 921 transitions. [2018-10-26 20:54:02,583 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 921 transitions. Word has length 149 [2018-10-26 20:54:02,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:54:02,584 INFO L481 AbstractCegarLoop]: Abstraction has 819 states and 921 transitions. [2018-10-26 20:54:02,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-26 20:54:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 921 transitions. [2018-10-26 20:54:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:54:02,587 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:02,587 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:54:02,588 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:02,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:02,588 INFO L82 PathProgramCache]: Analyzing trace with hash -991377311, now seen corresponding path program 1 times [2018-10-26 20:54:02,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:54:02,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:02,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:54:02,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:02,589 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:54:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:54:02,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:54:02,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:54:02,697 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:54:02,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:54:02,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:54:02,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:54:02,698 INFO L87 Difference]: Start difference. First operand 819 states and 921 transitions. Second operand 6 states. [2018-10-26 20:54:02,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:54:02,769 INFO L93 Difference]: Finished difference Result 1188 states and 1359 transitions. [2018-10-26 20:54:02,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:54:02,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-10-26 20:54:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:54:02,773 INFO L225 Difference]: With dead ends: 1188 [2018-10-26 20:54:02,773 INFO L226 Difference]: Without dead ends: 829 [2018-10-26 20:54:02,774 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:54:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-10-26 20:54:02,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 829. [2018-10-26 20:54:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2018-10-26 20:54:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 931 transitions. [2018-10-26 20:54:02,855 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 931 transitions. Word has length 149 [2018-10-26 20:54:02,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:54:02,855 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 931 transitions. [2018-10-26 20:54:02,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:54:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 931 transitions. [2018-10-26 20:54:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:54:02,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:02,859 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:54:02,859 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:02,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:02,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1500850401, now seen corresponding path program 1 times [2018-10-26 20:54:02,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:54:02,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:02,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:54:02,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:02,860 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:54:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:54:03,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:54:03,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:54:03,277 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:54:03,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:54:03,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:54:03,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:54:03,278 INFO L87 Difference]: Start difference. First operand 829 states and 931 transitions. Second operand 6 states. [2018-10-26 20:54:03,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:54:03,593 INFO L93 Difference]: Finished difference Result 838 states and 940 transitions. [2018-10-26 20:54:03,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:54:03,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-10-26 20:54:03,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:54:03,596 INFO L225 Difference]: With dead ends: 838 [2018-10-26 20:54:03,596 INFO L226 Difference]: Without dead ends: 835 [2018-10-26 20:54:03,597 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:54:03,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2018-10-26 20:54:03,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 829. [2018-10-26 20:54:03,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2018-10-26 20:54:03,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 930 transitions. [2018-10-26 20:54:03,677 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 930 transitions. Word has length 149 [2018-10-26 20:54:03,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:54:03,677 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 930 transitions. [2018-10-26 20:54:03,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:54:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 930 transitions. [2018-10-26 20:54:03,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 20:54:03,680 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:03,680 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:54:03,682 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:03,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:03,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1374513423, now seen corresponding path program 1 times [2018-10-26 20:54:03,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:54:03,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:03,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:54:03,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:03,683 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:54:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:54:04,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 20:54:04,144 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 20:54:04,144 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-10-26 20:54:04,145 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [59], [62], [64], [70], [74], [77], [78], [82], [83], [84], [85], [89], [95], [99], [103], [106], [109], [111], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [165], [166], [176], [179], [183], [189], [217], [218], [221], [225], [229], [230], [233], [235], [238], [245], [248], [251], [255], [256], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [279], [280], [281], [282], [285], [286], [287], [288], [289], [290], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [315], [317], [318], [319], [320], [323], [324] [2018-10-26 20:54:04,148 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 20:54:04,148 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 20:54:45,571 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 20:54:45,571 INFO L272 AbstractInterpreter]: Visited 112 different actions 405 times. Merged at 17 different actions 31 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 132 variables. [2018-10-26 20:54:45,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:45,580 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 20:55:06,333 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 97.03% of their original sizes. [2018-10-26 20:55:06,333 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 20:55:08,724 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-10-26 20:55:08,724 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 20:55:08,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 20:55:08,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [52] imperfect sequences [10] total 60 [2018-10-26 20:55:08,724 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:55:08,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-10-26 20:55:08,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-10-26 20:55:08,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=2391, Unknown=0, NotChecked=0, Total=2652 [2018-10-26 20:55:08,726 INFO L87 Difference]: Start difference. First operand 829 states and 930 transitions. Second operand 52 states. [2018-10-26 20:56:41,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:56:41,001 INFO L93 Difference]: Finished difference Result 2156 states and 2673 transitions. [2018-10-26 20:56:41,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-10-26 20:56:41,002 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 153 [2018-10-26 20:56:41,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:56:41,008 INFO L225 Difference]: With dead ends: 2156 [2018-10-26 20:56:41,008 INFO L226 Difference]: Without dead ends: 1562 [2018-10-26 20:56:41,013 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 95 SyntacticMatches, 7 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3424 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1016, Invalid=10114, Unknown=0, NotChecked=0, Total=11130 [2018-10-26 20:56:41,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2018-10-26 20:56:41,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1289. [2018-10-26 20:56:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1289 states. [2018-10-26 20:56:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1437 transitions. [2018-10-26 20:56:41,207 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1437 transitions. Word has length 153 [2018-10-26 20:56:41,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:56:41,207 INFO L481 AbstractCegarLoop]: Abstraction has 1289 states and 1437 transitions. [2018-10-26 20:56:41,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-10-26 20:56:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1437 transitions. [2018-10-26 20:56:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 20:56:41,211 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:56:41,212 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:56:41,212 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:56:41,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:56:41,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1099753809, now seen corresponding path program 1 times [2018-10-26 20:56:41,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:56:41,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:56:41,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:56:41,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:56:41,213 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:56:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:56:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 20:56:41,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:56:41,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:56:41,543 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:56:41,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:56:41,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:56:41,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:56:41,544 INFO L87 Difference]: Start difference. First operand 1289 states and 1437 transitions. Second operand 9 states. [2018-10-26 20:56:41,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:56:41,722 INFO L93 Difference]: Finished difference Result 2185 states and 2462 transitions. [2018-10-26 20:56:41,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:56:41,722 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 153 [2018-10-26 20:56:41,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:56:41,727 INFO L225 Difference]: With dead ends: 2185 [2018-10-26 20:56:41,727 INFO L226 Difference]: Without dead ends: 1233 [2018-10-26 20:56:41,729 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:56:41,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2018-10-26 20:56:41,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1233. [2018-10-26 20:56:41,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1233 states. [2018-10-26 20:56:41,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1373 transitions. [2018-10-26 20:56:41,898 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1373 transitions. Word has length 153 [2018-10-26 20:56:41,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:56:41,899 INFO L481 AbstractCegarLoop]: Abstraction has 1233 states and 1373 transitions. [2018-10-26 20:56:41,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:56:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1373 transitions. [2018-10-26 20:56:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 20:56:41,904 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:56:41,904 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 20:56:41,904 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:56:41,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:56:41,905 INFO L82 PathProgramCache]: Analyzing trace with hash -300950575, now seen corresponding path program 1 times [2018-10-26 20:56:41,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:56:41,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:56:41,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:56:41,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:56:41,906 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:56:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:56:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 20:56:42,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:56:42,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:56:42,105 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:56:42,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:56:42,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:56:42,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:56:42,106 INFO L87 Difference]: Start difference. First operand 1233 states and 1373 transitions. Second operand 6 states. [2018-10-26 20:56:42,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:56:42,234 INFO L93 Difference]: Finished difference Result 1842 states and 2062 transitions. [2018-10-26 20:56:42,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:56:42,235 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2018-10-26 20:56:42,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:56:42,236 INFO L225 Difference]: With dead ends: 1842 [2018-10-26 20:56:42,236 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:56:42,239 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:56:42,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:56:42,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:56:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:56:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:56:42,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2018-10-26 20:56:42,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:56:42,243 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:56:42,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:56:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:56:42,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:56:42,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:56:43,940 WARN L179 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 369 DAG size of output: 353 [2018-10-26 20:56:44,407 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2018-10-26 20:56:44,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:45,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:45,800 WARN L179 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 390 DAG size of output: 367 [2018-10-26 20:56:46,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:46,963 WARN L179 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 343 [2018-10-26 20:56:47,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:47,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:47,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:47,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:56:47,966 WARN L179 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 381 DAG size of output: 350 [2018-10-26 20:56:48,896 WARN L179 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 38 [2018-10-26 20:56:49,069 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2018-10-26 20:56:49,307 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2018-10-26 20:56:49,957 WARN L179 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 56 [2018-10-26 20:56:50,201 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 28 [2018-10-26 20:56:50,563 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 26 [2018-10-26 20:56:51,769 WARN L179 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 430 DAG size of output: 89 [2018-10-26 20:56:52,206 WARN L179 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 53 [2018-10-26 20:56:52,954 WARN L179 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 71 [2018-10-26 20:56:53,265 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 1 [2018-10-26 20:56:53,890 WARN L179 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 54 [2018-10-26 20:56:54,705 WARN L179 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 77 [2018-10-26 20:56:55,046 WARN L179 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 32 [2018-10-26 20:56:55,265 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 21 [2018-10-26 20:56:57,254 WARN L179 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 443 DAG size of output: 104 [2018-10-26 20:56:57,748 WARN L179 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 51 [2018-10-26 20:56:57,923 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 1 [2018-10-26 20:56:58,261 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 32 [2018-10-26 20:56:58,500 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 26 [2018-10-26 20:56:58,677 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 17 [2018-10-26 20:56:59,146 WARN L179 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 40 [2018-10-26 20:56:59,307 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2018-10-26 20:56:59,518 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 21 [2018-10-26 20:56:59,747 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2018-10-26 20:57:00,318 WARN L179 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 54 [2018-10-26 20:57:01,542 WARN L179 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 420 DAG size of output: 70 [2018-10-26 20:57:02,893 WARN L179 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 432 DAG size of output: 76 [2018-10-26 20:57:03,093 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 21 [2018-10-26 20:57:03,280 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2018-10-26 20:57:03,427 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2018-10-26 20:57:03,760 WARN L179 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 38 [2018-10-26 20:57:03,958 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2018-10-26 20:57:04,094 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2018-10-26 20:57:04,374 WARN L179 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2018-10-26 20:57:04,510 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2018-10-26 20:57:04,679 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 1 [2018-10-26 20:57:04,882 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 24 [2018-10-26 20:57:05,121 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 18 [2018-10-26 20:57:05,543 WARN L179 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 53 [2018-10-26 20:57:05,581 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 486 492) the Hoare annotation is: true [2018-10-26 20:57:05,581 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 486 492) no Hoare annotation was computed. [2018-10-26 20:57:05,581 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 493 501) no Hoare annotation was computed. [2018-10-26 20:57:05,581 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 493 501) the Hoare annotation is: true [2018-10-26 20:57:05,581 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 493 501) no Hoare annotation was computed. [2018-10-26 20:57:05,581 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2018-10-26 20:57:05,581 INFO L421 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 1))) (or (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 .cse0) (< 3 (+ ~systemActive~0 ~waterLevel~0)))) [2018-10-26 20:57:05,581 INFO L425 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2018-10-26 20:57:05,581 INFO L421 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse4 (* 2 ~pumpRunning~0))) (let ((.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse2 (< 0 .cse4)) (.cse3 (< (+ ~systemActive~0 ~waterLevel~0) 3))) (and (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse1 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse2) (or .cse3 (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse2 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (* 2 ~systemActive~0) 2) .cse0 (< .cse1 1) .cse2) (or (< 3 (+ ~pumpRunning~0 ~waterLevel~0)) .cse3 (< .cse4 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0)))))) [2018-10-26 20:57:05,581 INFO L425 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-10-26 20:57:05,582 INFO L425 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2018-10-26 20:57:05,582 INFO L425 ceAbstractionStarter]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2018-10-26 20:57:05,582 INFO L428 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2018-10-26 20:57:05,582 INFO L425 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2018-10-26 20:57:05,582 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2018-10-26 20:57:05,582 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 575 597) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,582 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 575 597) no Hoare annotation was computed. [2018-10-26 20:57:05,582 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 575 597) no Hoare annotation was computed. [2018-10-26 20:57:05,582 INFO L421 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~7) (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0) (<= (* 2 main_~tmp~7) 2)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,582 INFO L421 ceAbstractionStarter]: At program point L587-1(line 587) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~7) (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0) (<= (* 2 main_~tmp~7) 2)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,582 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 592) no Hoare annotation was computed. [2018-10-26 20:57:05,583 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 585 592) no Hoare annotation was computed. [2018-10-26 20:57:05,583 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-26 20:57:05,583 INFO L421 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,583 INFO L421 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,583 INFO L421 ceAbstractionStarter]: At program point L581-1(line 581) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,583 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 250 258) no Hoare annotation was computed. [2018-10-26 20:57:05,583 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 250 258) the Hoare annotation is: true [2018-10-26 20:57:05,583 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 250 258) no Hoare annotation was computed. [2018-10-26 20:57:05,583 INFO L428 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: true [2018-10-26 20:57:05,583 INFO L425 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2018-10-26 20:57:05,583 INFO L425 ceAbstractionStarter]: For program point L321-1(line 321) no Hoare annotation was computed. [2018-10-26 20:57:05,583 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 314 332) the Hoare annotation is: true [2018-10-26 20:57:05,583 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 314 332) no Hoare annotation was computed. [2018-10-26 20:57:05,584 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2018-10-26 20:57:05,584 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 314 332) no Hoare annotation was computed. [2018-10-26 20:57:05,584 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 479 485) no Hoare annotation was computed. [2018-10-26 20:57:05,584 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 479 485) the Hoare annotation is: true [2018-10-26 20:57:05,584 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 565 574) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,584 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 565 574) no Hoare annotation was computed. [2018-10-26 20:57:05,588 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 565 574) no Hoare annotation was computed. [2018-10-26 20:57:05,588 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 239 249) the Hoare annotation is: true [2018-10-26 20:57:05,588 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 239 249) no Hoare annotation was computed. [2018-10-26 20:57:05,588 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 239 249) no Hoare annotation was computed. [2018-10-26 20:57:05,588 INFO L428 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-10-26 20:57:05,588 INFO L425 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-10-26 20:57:05,589 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 231 238) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) [2018-10-26 20:57:05,589 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 231 238) no Hoare annotation was computed. [2018-10-26 20:57:05,589 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 231 238) no Hoare annotation was computed. [2018-10-26 20:57:05,589 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or .cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-10-26 20:57:05,589 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2018-10-26 20:57:05,589 INFO L421 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-10-26 20:57:05,589 INFO L425 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-10-26 20:57:05,589 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2018-10-26 20:57:05,589 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 180 204) no Hoare annotation was computed. [2018-10-26 20:57:05,589 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 180 204) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse1 (< (* 2 ~systemActive~0) 2))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (= ~pumpRunning~0 0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 20:57:05,589 INFO L421 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse0 (< (* 2 ~systemActive~0) 2))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 20:57:05,589 INFO L425 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2018-10-26 20:57:05,590 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-10-26 20:57:05,590 INFO L425 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-10-26 20:57:05,590 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-10-26 20:57:05,590 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-10-26 20:57:05,590 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-10-26 20:57:05,590 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2018-10-26 20:57:05,590 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2018-10-26 20:57:05,590 INFO L421 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse2 (= test_~splverifierCounter~0 0))) (or (and (and (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646))) (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (or (let ((.cse0 (+ ~pumpRunning~0 1))) (and (<= .cse0 ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 .cse0) (<= (+ ~pumpRunning~0 test_~tmp___0~0) 2147483648) (<= test_~tmp___0~0 (+ ~waterLevel~0 2147483646)) (<= 0 (+ ~systemActive~0 test_~tmp___0~0 2147483647)) .cse1)) (and (<= (* 2 ~pumpRunning~0) 0) (<= (+ ~waterLevel~0 test_~tmp___0~0) 2147483649) .cse1 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))))) .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) (= ~pumpRunning~0 0) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 20:57:05,590 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-10-26 20:57:05,590 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,590 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-10-26 20:57:05,591 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-10-26 20:57:05,591 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-10-26 20:57:05,591 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 54 99) no Hoare annotation was computed. [2018-10-26 20:57:05,591 INFO L421 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,591 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-10-26 20:57:05,591 INFO L421 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse3 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse7 (+ ~pumpRunning~0 1))) (let ((.cse8 (<= ~waterLevel~0 .cse7)) (.cse9 (* 2 ~pumpRunning~0)) (.cse5 (<= 2 .cse3))) (let ((.cse0 (or (and .cse8 (<= (+ ~pumpRunning~0 test_~tmp___0~0) 2147483648) (<= test_~tmp___0~0 (+ ~waterLevel~0 2147483646)) (<= 0 (+ ~systemActive~0 test_~tmp___0~0 2147483647))) (and (<= .cse9 0) (<= (+ ~waterLevel~0 test_~tmp___0~0) 2147483649) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse5))) (.cse1 (let ((.cse4 (<= 0 .cse9)) (.cse6 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)))) (or (and (<= (+ ~pumpRunning~0 ~systemActive~0) 1) (<= .cse3 2) .cse4 .cse5 (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse6) (and (<= .cse7 ~waterLevel~0) (= ~systemActive~0 1) (<= .cse3 3) .cse8 .cse4 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse6)))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 3 (+ ~systemActive~0 ~waterLevel~0)) .cse1 .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (and .cse0 .cse1 (<= test_~tmp~0 (+ ~pumpRunning~0 2147483647)) .cse2 (<= 0 (+ ~systemActive~0 test_~tmp~0 2147483647))) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-10-26 20:57:05,591 INFO L425 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-10-26 20:57:05,591 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-10-26 20:57:05,591 INFO L421 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse17 (+ ~pumpRunning~0 1)) (.cse14 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse13 (+ ~pumpRunning~0 ~systemActive~0))) (let ((.cse3 (<= test_~tmp___0~0 (+ ~waterLevel~0 2147483646))) (.cse8 (<= 0 (+ ~systemActive~0 test_~tmp___0~0 2147483647))) (.cse7 (<= (+ ~waterLevel~0 test_~tmp___0~0) 2147483649)) (.cse1 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648))) (.cse0 (<= .cse13 1)) (.cse9 (<= 2 .cse14)) (.cse4 (<= .cse17 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 .cse17)) (.cse12 (* 2 ~pumpRunning~0))) (let ((.cse6 (let ((.cse15 (<= 0 .cse12)) (.cse16 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)))) (or (and .cse0 (<= .cse14 2) .cse15 .cse9 (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse16) (and .cse4 (= ~systemActive~0 1) (<= .cse14 3) .cse5 .cse15 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse16)))) (.cse10 (let ((.cse11 (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (or (and .cse4 (<= ~systemActive~0 ~waterLevel~0) (<= 2 (* 2 ~systemActive~0)) .cse5 (<= (+ ~pumpRunning~0 test_~tmp___0~0) 2147483648) .cse3 .cse8 .cse11) (and (<= .cse12 0) .cse7 (<= 1 .cse13) .cse11 .cse1 .cse9)))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (<= (+ ~methaneLevelCritical~0 2) ~waterLevel~0) .cse0 (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (= ~methaneLevelCritical~0 0) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) .cse1 .cse2) (and (and (<= ~pumpRunning~0 (+ test_~tmp___0~0 2147483648)) .cse3 (and .cse4 (<= test_~tmp~0 (+ test_~splverifierCounter~0 2147483647)) (<= 0 (* 2 ~methaneLevelCritical~0)) .cse5 (<= ~methaneLevelCritical~0 ~pumpRunning~0)) .cse2) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483647)) (= ~pumpRunning~0 0)) (and .cse6 .cse7 .cse8 .cse9 .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (and .cse10 .cse6 (<= test_~tmp~0 (+ ~pumpRunning~0 2147483647)) .cse2 (<= 0 (+ ~systemActive~0 test_~tmp~0 2147483647))) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (and .cse10 (= ~pumpRunning~0 1) .cse2) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-10-26 20:57:05,592 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-10-26 20:57:05,592 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-10-26 20:57:05,592 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-10-26 20:57:05,592 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse4 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse8 (+ ~pumpRunning~0 1))) (let ((.cse9 (<= ~waterLevel~0 .cse8)) (.cse3 (+ ~waterLevel~0 2147483646)) (.cse10 (* 2 ~pumpRunning~0)) (.cse6 (<= 2 .cse4))) (let ((.cse0 (or (and .cse9 (<= (+ ~pumpRunning~0 test_~tmp___0~0) 2147483648) (<= test_~tmp___0~0 .cse3) (<= 0 (+ ~systemActive~0 test_~tmp___0~0 2147483647))) (and (<= .cse10 0) (<= (+ ~waterLevel~0 test_~tmp___0~0) 2147483649) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse6))) (.cse1 (let ((.cse5 (<= 0 .cse10)) (.cse7 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)))) (or (and (<= (+ ~pumpRunning~0 ~systemActive~0) 1) (<= .cse4 2) .cse5 .cse6 (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse7) (and (<= .cse8 ~waterLevel~0) (= ~systemActive~0 1) (<= .cse4 3) .cse9 .cse5 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse7)))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= (* 2 test_~tmp~0) 4294967294) .cse1 .cse2 (<= 0 (+ ~systemActive~0 test_~tmp~0 2147483647))) (and .cse2 (<= ~waterLevel~0 ~systemActive~0) (<= test_~tmp~0 .cse3) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483647)) (= ~pumpRunning~0 0)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= 3 (+ ~systemActive~0 ~waterLevel~0)) .cse1 .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-10-26 20:57:05,595 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 205 212) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 205 212) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 205 212) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 455 463) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 455 463) the Hoare annotation is: true [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 455 463) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) (and (<= (+ activatePump_~tmp~3 1) ~systemActive~0) (<= ~waterLevel~0 (+ activatePump_~tmp~3 2)) (= 0 ~pumpRunning~0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point L225-1(lines 214 230) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 214 230) no Hoare annotation was computed. [2018-10-26 20:57:05,595 INFO L421 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,596 INFO L425 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-10-26 20:57:05,596 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 214 230) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:57:05,596 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 295 313) no Hoare annotation was computed. [2018-10-26 20:57:05,596 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2018-10-26 20:57:05,596 INFO L428 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2018-10-26 20:57:05,596 INFO L425 ceAbstractionStarter]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2018-10-26 20:57:05,596 INFO L425 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-10-26 20:57:05,596 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 295 313) the Hoare annotation is: true [2018-10-26 20:57:05,596 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 295 313) no Hoare annotation was computed. [2018-10-26 20:57:05,596 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-10-26 20:57:05,596 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-10-26 20:57:05,596 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-10-26 20:57:05,596 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse0 (+ ~systemActive~0 |old(~methaneLevelCritical~0)|))) (let ((.cse4 (+ ~methaneLevelCritical~0 1)) (.cse6 (< ~waterLevel~0 ~systemActive~0)) (.cse7 (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|)) (.cse5 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse2 (< .cse0 1)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse9 (<= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|)) (.cse10 (< (* 2 ~systemActive~0) 2)) (.cse11 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse8 (< 0 (* 2 ~pumpRunning~0)))) (and (or (or (< 1 .cse0) (not (= 1 ~pumpRunning~0)) (< .cse1 2) .cse2 (< (+ |old(~methaneLevelCritical~0)| 2) ~waterLevel~0) .cse3) (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= ~pumpRunning~0 .cse4))) (or (and .cse5 (<= .cse4 ~waterLevel~0)) .cse2 .cse6 (< .cse7 0) .cse3 (not (= ~waterLevel~0 1)) .cse8) (or (and .cse9 (<= ~waterLevel~0 ~methaneLevelCritical~0)) (< 2 .cse1) .cse10 .cse6 (< .cse7 1) .cse8) (or (and .cse5 (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse2 .cse3 .cse11 .cse8) (or (and (<= ~systemActive~0 ~methaneLevelCritical~0) .cse9) (not (= |old(~methaneLevelCritical~0)| 1)) (< .cse1 3) .cse10 .cse11 .cse8 (< (+ ~pumpRunning~0 2) ~waterLevel~0))))) [2018-10-26 20:57:05,597 INFO L425 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-10-26 20:57:05,597 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-10-26 20:57:05,597 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (+ ~systemActive~0 |old(~waterLevel~0)|))) (and (or (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< .cse0 3) (< (* 2 |old(~pumpRunning~0)|) 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< |old(~waterLevel~0)| ~systemActive~0) (< 3 .cse0)))) [2018-10-26 20:57:05,597 INFO L425 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2018-10-26 20:57:05,597 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse2 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse0 (+ ~pumpRunning~0 1)) (.cse5 (+ ~systemActive~0 ~waterLevel~0)) (.cse1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (.cse6 (< (* 2 ~systemActive~0) 2)) (.cse7 (< 3 .cse2)) (.cse3 (* 2 |old(~pumpRunning~0)|))) (and (or (<= .cse0 ~waterLevel~0) (or (< 3 .cse1) (< .cse2 3) (< .cse3 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (let ((.cse4 (+ |old(~pumpRunning~0)| 1))) (or (< .cse4 |old(~waterLevel~0)|) (and (<= ~waterLevel~0 .cse0) (<= 2 .cse5) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse6 (< |old(~waterLevel~0)| .cse4) (< |old(~waterLevel~0)| ~systemActive~0) .cse7)) (or (and (<= .cse5 3) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< .cse1 2) .cse6 .cse7 (< 0 .cse3))))) [2018-10-26 20:57:05,597 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2018-10-26 20:57:05,597 INFO L421 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse6 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse2 (< (* 2 ~systemActive~0) 2)) (.cse3 (< 3 .cse6)) (.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse4 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (.cse5 (* 2 |old(~pumpRunning~0)|))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (< .cse0 |old(~waterLevel~0)|) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 2 .cse1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (< |old(~waterLevel~0)| .cse0) (< |old(~waterLevel~0)| ~systemActive~0) .cse3)) (or (and (<= .cse1 3) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< .cse4 2) .cse2 .cse3 (< 0 .cse5)) (or (<= .cse1 2) (or (< 3 .cse4) (< .cse6 3) (< .cse5 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))))) [2018-10-26 20:57:05,597 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2018-10-26 20:57:05,598 INFO L421 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse9 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse10 (+ ~systemActive~0 ~waterLevel~0)) (.cse11 (+ ~pumpRunning~0 1))) (let ((.cse4 (<= ~waterLevel~0 .cse11)) (.cse5 (and (<= 2 .cse10) (= ~systemActive~0 1))) (.cse1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (.cse3 (* 2 |old(~pumpRunning~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (< (* 2 ~systemActive~0) 2)) (.cse2 (< 3 .cse9)) (.cse0 (= ~pumpRunning~0 1))) (and (or .cse0 (or (< .cse1 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse2 (< 0 .cse3))) (or (< (+ |old(~pumpRunning~0)| 1) |old(~waterLevel~0)|) (and .cse4 .cse5 .cse6) .cse7 .cse8 (< |old(~waterLevel~0)| ~systemActive~0)) (or (and .cse4 .cse5 (= 0 ~pumpRunning~0)) (or (< 3 .cse1) (< .cse9 3) (< .cse3 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (and (<= 3 .cse10) (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) .cse6) .cse7 .cse8 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse2 (and (<= .cse11 ~waterLevel~0) (<= .cse10 3) .cse0))))) [2018-10-26 20:57:05,598 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 514 528) no Hoare annotation was computed. [2018-10-26 20:57:05,598 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 504 533) no Hoare annotation was computed. [2018-10-26 20:57:05,598 INFO L428 ceAbstractionStarter]: At program point L514-3(lines 514 528) the Hoare annotation is: true [2018-10-26 20:57:05,598 INFO L428 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2018-10-26 20:57:05,598 INFO L425 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-10-26 20:57:05,598 INFO L428 ceAbstractionStarter]: At program point L529(lines 504 533) the Hoare annotation is: true [2018-10-26 20:57:05,598 INFO L425 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2018-10-26 20:57:05,598 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-26 20:57:05,598 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 504 533) the Hoare annotation is: true [2018-10-26 20:57:05,598 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-10-26 20:57:05,598 INFO L428 ceAbstractionStarter]: At program point L518-1(lines 518 522) the Hoare annotation is: true [2018-10-26 20:57:05,598 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-10-26 20:57:05,598 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-10-26 20:57:05,598 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-10-26 20:57:05,599 INFO L425 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-10-26 20:57:05,599 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (or (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (or (< 3 (+ ~pumpRunning~0 |old(~waterLevel~0)|)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< (* 2 ~pumpRunning~0) 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0)))) [2018-10-26 20:57:05,599 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-10-26 20:57:05,599 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:57:05,599 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (= ~pumpRunning~0 0)) [2018-10-26 20:57:05,599 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:57:05,599 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:57:05,599 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 558 564) no Hoare annotation was computed. [2018-10-26 20:57:05,599 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 558 564) the Hoare annotation is: true [2018-10-26 20:57:05,599 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< ~waterLevel~0 ~systemActive~0)) (or (= ~pumpRunning~0 0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 20:57:05,599 INFO L421 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< ~waterLevel~0 ~systemActive~0)) (or (= ~pumpRunning~0 0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 20:57:05,599 INFO L425 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-10-26 20:57:05,599 INFO L425 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2018-10-26 20:57:05,599 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2018-10-26 20:57:05,600 INFO L421 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 ~systemActive~0) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-10-26 20:57:05,600 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2018-10-26 20:57:05,600 INFO L421 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< (* 2 ~systemActive~0) 2)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 ~systemActive~0) .cse2) (or .cse2 .cse0 .cse1 (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 3) .cse1 .cse3 .cse4 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4))) [2018-10-26 20:57:05,600 INFO L421 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse2 (<= 3 (+ processEnvironment__wrappee__highWaterSensor_~tmp~1 ~waterLevel~0))) (.cse1 (+ ~methaneLevelCritical~0 processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse5 (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2)) (.cse0 (< (* 2 ~systemActive~0) 2)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< ~waterLevel~0 ~systemActive~0)) (or (not (= ~methaneLevelCritical~0 1)) (and (<= .cse1 2) .cse2) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 3) .cse0 .cse3 .cse4 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (or .cse5 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (and .cse2 (<= .cse1 1))) (or (= ~pumpRunning~0 0) .cse5 .cse0 .cse3 .cse4))) [2018-10-26 20:57:05,602 INFO L425 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2018-10-26 20:57:05,602 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-10-26 20:57:05,602 INFO L425 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-10-26 20:57:05,602 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse0 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< (* 2 ~systemActive~0) 2)) (.cse1 (+ ~pumpRunning~0 1)) (.cse2 (+ ~systemActive~0 ~waterLevel~0))) (and (or (or (< 3 (+ ~pumpRunning~0 |old(~waterLevel~0)|)) (< .cse0 3) (< (* 2 ~pumpRunning~0) 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (and (<= .cse1 ~waterLevel~0) (<= .cse2 3))) (or (and (<= 3 .cse2) (<= ~waterLevel~0 (+ ~pumpRunning~0 2))) .cse3 .cse4 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (< 3 .cse0)) (or (< .cse1 |old(~waterLevel~0)|) .cse3 .cse4 (and (<= ~waterLevel~0 .cse1) (<= 2 .cse2)) (< |old(~waterLevel~0)| ~systemActive~0)))) [2018-10-26 20:57:05,602 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 965 972) no Hoare annotation was computed. [2018-10-26 20:57:05,602 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 965 972) the Hoare annotation is: true [2018-10-26 20:57:05,602 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 965 972) no Hoare annotation was computed. [2018-10-26 20:57:05,602 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-10-26 20:57:05,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:57:05 BoogieIcfgContainer [2018-10-26 20:57:05,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:57:05,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:57:05,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:57:05,643 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:57:05,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:49:56" (3/4) ... [2018-10-26 20:57:05,646 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:57:05,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 20:57:05,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 20:57:05,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-10-26 20:57:05,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:57:05,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 20:57:05,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 20:57:05,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 20:57:05,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 20:57:05,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 20:57:05,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:57:05,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 20:57:05,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-26 20:57:05,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:57:05,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 20:57:05,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-10-26 20:57:05,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 20:57:05,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:57:05,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-26 20:57:05,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-26 20:57:05,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 20:57:05,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:57:05,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:57:05,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:57:05,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 20:57:05,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 20:57:05,662 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 20:57:05,662 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 20:57:05,662 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:57:05,662 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 20:57:05,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-26 20:57:05,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 20:57:05,674 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 20:57:05,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 <= systemActive + tmp___2 + 2147483647 && tmp___2 <= systemActive + 2147483646) && (((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && waterLevel <= pumpRunning + 1) && pumpRunning + tmp___0 <= 2147483648) && tmp___0 <= waterLevel + 2147483646) && 0 <= systemActive + tmp___0 + 2147483647) && systemActive + waterLevel <= 3) || ((((2 * pumpRunning <= 0 && waterLevel + tmp___0 <= 2147483649) && systemActive + waterLevel <= 3) && 0 <= pumpRunning + tmp___0 + 2147483648) && 2 <= pumpRunning + waterLevel))) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || ((((1 <= methaneLevelCritical + systemActive && methaneLevelCritical + 1 <= waterLevel) && waterLevel + splverifierCounter <= 1) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < systemActive) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) [2018-10-26 20:57:05,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 20:57:05,766 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5e78a0c-bc91-4ad9-ba31-42ff38651922/bin-2019/utaipan/witness.graphml [2018-10-26 20:57:05,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:57:05,767 INFO L168 Benchmark]: Toolchain (without parser) took 431325.81 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 950.4 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-10-26 20:57:05,768 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:57:05,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.50 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 926.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:05,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 926.2 MB in the beginning and 1.1 GB in the end (delta: -215.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:05,768 INFO L168 Benchmark]: Boogie Preprocessor took 52.97 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:05,769 INFO L168 Benchmark]: RCFGBuilder took 1188.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.5 MB). Peak memory consumption was 93.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:05,769 INFO L168 Benchmark]: TraceAbstraction took 429376.21 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-10-26 20:57:05,769 INFO L168 Benchmark]: Witness Printer took 123.85 ms. Allocated memory is still 4.9 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-26 20:57:05,770 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.50 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 926.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 926.2 MB in the beginning and 1.1 GB in the end (delta: -215.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.97 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1188.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.5 MB). Peak memory consumption was 93.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 429376.21 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 123.85 ms. Allocated memory is still 4.9 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((0 <= systemActive + tmp___2 + 2147483647 && tmp___2 <= systemActive + 2147483646) && (((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && waterLevel <= pumpRunning + 1) && pumpRunning + tmp___0 <= 2147483648) && tmp___0 <= waterLevel + 2147483646) && 0 <= systemActive + tmp___0 + 2147483647) && systemActive + waterLevel <= 3) || ((((2 * pumpRunning <= 0 && waterLevel + tmp___0 <= 2147483649) && systemActive + waterLevel <= 3) && 0 <= pumpRunning + tmp___0 + 2147483648) && 2 <= pumpRunning + waterLevel))) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || ((((1 <= methaneLevelCritical + systemActive && methaneLevelCritical + 1 <= waterLevel) && waterLevel + splverifierCounter <= 1) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < systemActive) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 429.2s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 216.4s AutomataDifference, 0.0s DeadEndRemovalTime, 23.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2679 SDtfs, 4174 SDslu, 18578 SDs, 0 SdLazy, 12354 SolverSat, 1565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 142.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 842 GetRequests, 488 SyntacticMatches, 22 SemanticMatches, 332 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7129 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1289occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 112.0s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9943840300793775 AbsIntWeakeningRatio, 0.8949096880131363 AbsIntAvgWeakeningVarsNumRemoved, 4929.284072249589 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 481 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2525 PreInvPairs, 2600 NumberOfFragments, 3392 HoareAnnotationTreeSize, 2525 FomulaSimplifications, 137014 FormulaSimplificationTreeSizeReduction, 6.0s HoareSimplificationTime, 64 FomulaSimplificationsInter, 273489 FormulaSimplificationTreeSizeReductionInter, 17.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1635 ConstructedInterpolants, 0 QuantifiedInterpolants, 285317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 310/327 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...