./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_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_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/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 81d3a03e2badb1d355e733e1f917b69305964186 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:53:09,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:53:09,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:53:09,881 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:53:09,882 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:53:09,882 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:53:09,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:53:09,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:53:09,885 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:53:09,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:53:09,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:53:09,887 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:53:09,887 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:53:09,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:53:09,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:53:09,889 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:53:09,889 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:53:09,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:53:09,892 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:53:09,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:53:09,893 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:53:09,894 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:53:09,896 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:53:09,896 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:53:09,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:53:09,897 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:53:09,898 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:53:09,899 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:53:09,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:53:09,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:53:09,900 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:53:09,901 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:53:09,901 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:53:09,901 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:53:09,902 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:53:09,902 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:53:09,903 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 07:53:09,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:53:09,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:53:09,912 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:53:09,912 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 07:53:09,912 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 07:53:09,913 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 07:53:09,913 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 07:53:09,913 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 07:53:09,913 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 07:53:09,913 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 07:53:09,913 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 07:53:09,914 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:53:09,914 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:53:09,914 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:53:09,914 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:53:09,914 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:53:09,914 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:53:09,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:53:09,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:53:09,915 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:53:09,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:53:09,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:53:09,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:53:09,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:53:09,915 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:53:09,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:53:09,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:53:09,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:53:09,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:53:09,916 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:53:09,916 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 07:53:09,916 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:53:09,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:53:09,919 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:53:09,919 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_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2018-11-10 07:53:09,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:53:09,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:53:09,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:53:09,959 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:53:09,959 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:53:09,960 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-10 07:53:09,998 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/data/de9c003ae/8525008f8c624cbc8c811cdba56fb539/FLAGc9376745e [2018-11-10 07:53:10,450 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:53:10,450 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-10 07:53:10,460 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/data/de9c003ae/8525008f8c624cbc8c811cdba56fb539/FLAGc9376745e [2018-11-10 07:53:10,471 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/data/de9c003ae/8525008f8c624cbc8c811cdba56fb539 [2018-11-10 07:53:10,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:53:10,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:53:10,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:53:10,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:53:10,478 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:53:10,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41777afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10, skipping insertion in model container [2018-11-10 07:53:10,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:53:10,521 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:53:10,719 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:53:10,727 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:53:10,782 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:53:10,802 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:53:10,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10 WrapperNode [2018-11-10 07:53:10,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:53:10,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:53:10,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:53:10,803 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:53:10,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:53:10,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:53:10,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:53:10,886 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:53:10,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... [2018-11-10 07:53:10,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:53:10,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:53:10,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:53:10,913 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:53:10,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:53:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 07:53:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 07:53:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:53:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:53:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 07:53:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 07:53:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 07:53:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 07:53:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 07:53:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 07:53:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-10 07:53:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-10 07:53:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 07:53:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 07:53:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 07:53:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 07:53:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 07:53:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 07:53:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-10 07:53:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-10 07:53:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-10 07:53:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-10 07:53:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 07:53:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 07:53:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:53:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:53:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 07:53:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 07:53:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:53:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:53:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 07:53:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 07:53:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 07:53:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 07:53:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:53:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:53:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 07:53:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 07:53:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 07:53:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 07:53:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 07:53:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 07:53:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 07:53:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 07:53:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 07:53:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 07:53:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:53:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:53:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:53:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:53:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-10 07:53:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-10 07:53:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:53:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:53:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 07:53:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 07:53:11,517 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:53:11,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:53:11 BoogieIcfgContainer [2018-11-10 07:53:11,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:53:11,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:53:11,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:53:11,520 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:53:11,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:53:10" (1/3) ... [2018-11-10 07:53:11,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e262bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:53:11, skipping insertion in model container [2018-11-10 07:53:11,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:53:10" (2/3) ... [2018-11-10 07:53:11,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e262bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:53:11, skipping insertion in model container [2018-11-10 07:53:11,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:53:11" (3/3) ... [2018-11-10 07:53:11,522 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-10 07:53:11,529 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:53:11,535 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:53:11,544 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:53:11,565 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:53:11,565 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:53:11,566 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:53:11,566 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:53:11,566 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:53:11,566 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:53:11,566 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:53:11,566 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:53:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-11-10 07:53:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 07:53:11,587 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:11,588 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] [2018-11-10 07:53:11,590 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:11,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:11,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1522239208, now seen corresponding path program 1 times [2018-11-10 07:53:11,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:11,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:11,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:11,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:11,626 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:11,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:11,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:53:11,782 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:11,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:53:11,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:53:11,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:53:11,795 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-11-10 07:53:11,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:11,823 INFO L93 Difference]: Finished difference Result 272 states and 335 transitions. [2018-11-10 07:53:11,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:53:11,824 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-10 07:53:11,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:11,832 INFO L225 Difference]: With dead ends: 272 [2018-11-10 07:53:11,832 INFO L226 Difference]: Without dead ends: 136 [2018-11-10 07:53:11,834 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 [2018-11-10 07:53:11,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-10 07:53:11,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-10 07:53:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-10 07:53:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2018-11-10 07:53:11,866 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 52 [2018-11-10 07:53:11,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:11,867 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2018-11-10 07:53:11,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:53:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2018-11-10 07:53:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 07:53:11,868 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:11,869 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] [2018-11-10 07:53:11,869 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:11,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:11,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1550403522, now seen corresponding path program 1 times [2018-11-10 07:53:11,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:11,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:11,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:11,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:11,871 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:11,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:11,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:53:11,956 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:11,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:53:11,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:53:11,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:53:11,958 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 3 states. [2018-11-10 07:53:11,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:11,985 INFO L93 Difference]: Finished difference Result 219 states and 255 transitions. [2018-11-10 07:53:11,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:53:11,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-10 07:53:11,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:11,988 INFO L225 Difference]: With dead ends: 219 [2018-11-10 07:53:11,989 INFO L226 Difference]: Without dead ends: 126 [2018-11-10 07:53:11,990 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 [2018-11-10 07:53:11,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-10 07:53:12,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-10 07:53:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-10 07:53:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2018-11-10 07:53:12,002 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 54 [2018-11-10 07:53:12,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:12,002 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2018-11-10 07:53:12,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:53:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2018-11-10 07:53:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 07:53:12,004 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:12,004 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:53:12,004 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:12,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:12,004 INFO L82 PathProgramCache]: Analyzing trace with hash -2121426228, now seen corresponding path program 1 times [2018-11-10 07:53:12,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:12,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:12,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:12,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:12,007 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:12,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:12,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:53:12,117 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:12,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:53:12,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:53:12,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:53:12,118 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 7 states. [2018-11-10 07:53:12,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:12,388 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2018-11-10 07:53:12,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:53:12,388 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-10 07:53:12,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:12,390 INFO L225 Difference]: With dead ends: 228 [2018-11-10 07:53:12,390 INFO L226 Difference]: Without dead ends: 126 [2018-11-10 07:53:12,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:53:12,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-10 07:53:12,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-10 07:53:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-10 07:53:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 145 transitions. [2018-11-10 07:53:12,401 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 145 transitions. Word has length 58 [2018-11-10 07:53:12,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:12,402 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 145 transitions. [2018-11-10 07:53:12,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:53:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2018-11-10 07:53:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 07:53:12,404 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:12,404 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:53:12,405 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:12,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:12,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1738758439, now seen corresponding path program 1 times [2018-11-10 07:53:12,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:12,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:12,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:12,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:12,407 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:12,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:12,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 07:53:12,491 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:12,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 07:53:12,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 07:53:12,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:53:12,492 INFO L87 Difference]: Start difference. First operand 126 states and 145 transitions. Second operand 5 states. [2018-11-10 07:53:12,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:12,812 INFO L93 Difference]: Finished difference Result 336 states and 403 transitions. [2018-11-10 07:53:12,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:53:12,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-10 07:53:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:12,814 INFO L225 Difference]: With dead ends: 336 [2018-11-10 07:53:12,814 INFO L226 Difference]: Without dead ends: 234 [2018-11-10 07:53:12,815 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 07:53:12,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-11-10 07:53:12,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 215. [2018-11-10 07:53:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-11-10 07:53:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 245 transitions. [2018-11-10 07:53:12,839 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 245 transitions. Word has length 71 [2018-11-10 07:53:12,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:12,839 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 245 transitions. [2018-11-10 07:53:12,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 07:53:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 245 transitions. [2018-11-10 07:53:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-10 07:53:12,841 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:12,841 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:53:12,841 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:12,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:12,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1076780146, now seen corresponding path program 1 times [2018-11-10 07:53:12,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:12,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:12,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:12,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:12,843 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:12,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:12,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:53:12,922 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:12,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:53:12,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:53:12,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:53:12,923 INFO L87 Difference]: Start difference. First operand 215 states and 245 transitions. Second operand 6 states. [2018-11-10 07:53:13,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:13,089 INFO L93 Difference]: Finished difference Result 520 states and 625 transitions. [2018-11-10 07:53:13,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:53:13,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-10 07:53:13,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:13,094 INFO L225 Difference]: With dead ends: 520 [2018-11-10 07:53:13,094 INFO L226 Difference]: Without dead ends: 329 [2018-11-10 07:53:13,095 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:53:13,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-10 07:53:13,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2018-11-10 07:53:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-11-10 07:53:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 377 transitions. [2018-11-10 07:53:13,115 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 377 transitions. Word has length 85 [2018-11-10 07:53:13,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:13,115 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 377 transitions. [2018-11-10 07:53:13,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:53:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 377 transitions. [2018-11-10 07:53:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 07:53:13,116 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:13,118 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:53:13,118 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:13,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:13,119 INFO L82 PathProgramCache]: Analyzing trace with hash -949945848, now seen corresponding path program 1 times [2018-11-10 07:53:13,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:13,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:13,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:13,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:13,120 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:13,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:13,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:53:13,209 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:13,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:53:13,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:53:13,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:53:13,210 INFO L87 Difference]: Start difference. First operand 325 states and 377 transitions. Second operand 6 states. [2018-11-10 07:53:13,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:13,374 INFO L93 Difference]: Finished difference Result 702 states and 848 transitions. [2018-11-10 07:53:13,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 07:53:13,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-10 07:53:13,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:13,378 INFO L225 Difference]: With dead ends: 702 [2018-11-10 07:53:13,378 INFO L226 Difference]: Without dead ends: 511 [2018-11-10 07:53:13,379 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:53:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-10 07:53:13,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 493. [2018-11-10 07:53:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-11-10 07:53:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 585 transitions. [2018-11-10 07:53:13,408 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 585 transitions. Word has length 89 [2018-11-10 07:53:13,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:13,408 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 585 transitions. [2018-11-10 07:53:13,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:53:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 585 transitions. [2018-11-10 07:53:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 07:53:13,410 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:13,410 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:53:13,411 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:13,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:13,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1872629431, now seen corresponding path program 1 times [2018-11-10 07:53:13,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:13,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:13,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:13,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:13,412 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:13,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:13,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 07:53:13,463 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:13,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 07:53:13,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 07:53:13,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:53:13,464 INFO L87 Difference]: Start difference. First operand 493 states and 585 transitions. Second operand 5 states. [2018-11-10 07:53:13,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:13,500 INFO L93 Difference]: Finished difference Result 862 states and 1044 transitions. [2018-11-10 07:53:13,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 07:53:13,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-10 07:53:13,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:13,503 INFO L225 Difference]: With dead ends: 862 [2018-11-10 07:53:13,504 INFO L226 Difference]: Without dead ends: 503 [2018-11-10 07:53:13,504 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:53:13,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2018-11-10 07:53:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 497. [2018-11-10 07:53:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-11-10 07:53:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 588 transitions. [2018-11-10 07:53:13,525 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 588 transitions. Word has length 89 [2018-11-10 07:53:13,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:13,525 INFO L481 AbstractCegarLoop]: Abstraction has 497 states and 588 transitions. [2018-11-10 07:53:13,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 07:53:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 588 transitions. [2018-11-10 07:53:13,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 07:53:13,527 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:13,527 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:53:13,527 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:13,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:13,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1578332363, now seen corresponding path program 1 times [2018-11-10 07:53:13,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:13,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:13,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:13,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:13,528 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:13,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:13,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 07:53:13,621 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:13,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:53:13,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:53:13,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:53:13,621 INFO L87 Difference]: Start difference. First operand 497 states and 588 transitions. Second operand 9 states. [2018-11-10 07:53:13,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:13,662 INFO L93 Difference]: Finished difference Result 976 states and 1178 transitions. [2018-11-10 07:53:13,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 07:53:13,664 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-10 07:53:13,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:13,666 INFO L225 Difference]: With dead ends: 976 [2018-11-10 07:53:13,666 INFO L226 Difference]: Without dead ends: 503 [2018-11-10 07:53:13,667 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:53:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2018-11-10 07:53:13,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 497. [2018-11-10 07:53:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-11-10 07:53:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 586 transitions. [2018-11-10 07:53:13,685 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 586 transitions. Word has length 89 [2018-11-10 07:53:13,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:13,685 INFO L481 AbstractCegarLoop]: Abstraction has 497 states and 586 transitions. [2018-11-10 07:53:13,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:53:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 586 transitions. [2018-11-10 07:53:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 07:53:13,687 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:13,687 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:53:13,687 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:13,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:13,687 INFO L82 PathProgramCache]: Analyzing trace with hash -2119925672, now seen corresponding path program 1 times [2018-11-10 07:53:13,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:13,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:13,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:13,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:13,688 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:53:13,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:53:13,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 07:53:13,767 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:13,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 07:53:13,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 07:53:13,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:53:13,768 INFO L87 Difference]: Start difference. First operand 497 states and 586 transitions. Second operand 10 states. [2018-11-10 07:53:13,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:13,985 INFO L93 Difference]: Finished difference Result 976 states and 1154 transitions. [2018-11-10 07:53:13,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 07:53:13,985 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-11-10 07:53:13,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:13,987 INFO L225 Difference]: With dead ends: 976 [2018-11-10 07:53:13,987 INFO L226 Difference]: Without dead ends: 503 [2018-11-10 07:53:13,988 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 07:53:13,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2018-11-10 07:53:14,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 486. [2018-11-10 07:53:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-11-10 07:53:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 555 transitions. [2018-11-10 07:53:14,004 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 555 transitions. Word has length 90 [2018-11-10 07:53:14,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:14,004 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 555 transitions. [2018-11-10 07:53:14,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 07:53:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 555 transitions. [2018-11-10 07:53:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 07:53:14,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:14,007 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:53:14,007 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:14,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:14,007 INFO L82 PathProgramCache]: Analyzing trace with hash 531685963, now seen corresponding path program 1 times [2018-11-10 07:53:14,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:14,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:14,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:14,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:14,008 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 07:53:14,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:53:14,058 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:53:14,058 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-10 07:53:14,059 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [66], [72], [76], [80], [86], [88], [94], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [125], [129], [130], [131], [132], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [240], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308] [2018-11-10 07:53:14,097 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:53:14,097 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:53:18,646 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:53:18,647 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 07:53:18,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:18,666 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:53:23,085 INFO L227 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 96.36% of their original sizes. [2018-11-10 07:53:23,085 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:53:23,631 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-10 07:53:23,631 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:53:23,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:53:23,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-11-10 07:53:23,632 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:53:23,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-10 07:53:23,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-10 07:53:23,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-11-10 07:53:23,633 INFO L87 Difference]: Start difference. First operand 486 states and 555 transitions. Second operand 22 states. [2018-11-10 07:53:44,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:53:44,009 INFO L93 Difference]: Finished difference Result 1020 states and 1178 transitions. [2018-11-10 07:53:44,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 07:53:44,009 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 136 [2018-11-10 07:53:44,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:53:44,011 INFO L225 Difference]: With dead ends: 1020 [2018-11-10 07:53:44,011 INFO L226 Difference]: Without dead ends: 558 [2018-11-10 07:53:44,012 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=773, Unknown=0, NotChecked=0, Total=930 [2018-11-10 07:53:44,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-11-10 07:53:44,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 546. [2018-11-10 07:53:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-11-10 07:53:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 621 transitions. [2018-11-10 07:53:44,034 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 621 transitions. Word has length 136 [2018-11-10 07:53:44,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:53:44,034 INFO L481 AbstractCegarLoop]: Abstraction has 546 states and 621 transitions. [2018-11-10 07:53:44,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-10 07:53:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 621 transitions. [2018-11-10 07:53:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 07:53:44,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:53:44,036 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] [2018-11-10 07:53:44,036 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:53:44,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:44,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1778626929, now seen corresponding path program 1 times [2018-11-10 07:53:44,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:53:44,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:44,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:53:44,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:53:44,037 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:53:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:53:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 07:53:44,090 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:53:44,090 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:53:44,091 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-10 07:53:44,091 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [66], [72], [76], [80], [86], [88], [91], [94], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [125], [129], [130], [131], [132], [137], [139], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [240], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [275], [276], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308] [2018-11-10 07:53:44,096 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:53:44,096 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:53:52,553 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:53:52,553 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. [2018-11-10 07:53:52,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:53:52,561 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:54:06,647 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 96.36% of their original sizes. [2018-11-10 07:54:06,647 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:54:07,313 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-11-10 07:54:07,313 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:54:07,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:54:07,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [6] total 29 [2018-11-10 07:54:07,314 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:54:07,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-10 07:54:07,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-10 07:54:07,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2018-11-10 07:54:07,315 INFO L87 Difference]: Start difference. First operand 546 states and 621 transitions. Second operand 25 states. [2018-11-10 07:54:31,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:54:31,360 INFO L93 Difference]: Finished difference Result 1043 states and 1206 transitions. [2018-11-10 07:54:31,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-10 07:54:31,360 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 140 [2018-11-10 07:54:31,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:54:31,363 INFO L225 Difference]: With dead ends: 1043 [2018-11-10 07:54:31,363 INFO L226 Difference]: Without dead ends: 581 [2018-11-10 07:54:31,364 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 114 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=291, Invalid=1689, Unknown=0, NotChecked=0, Total=1980 [2018-11-10 07:54:31,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2018-11-10 07:54:31,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 486. [2018-11-10 07:54:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-11-10 07:54:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 544 transitions. [2018-11-10 07:54:31,404 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 544 transitions. Word has length 140 [2018-11-10 07:54:31,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:54:31,404 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 544 transitions. [2018-11-10 07:54:31,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-10 07:54:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 544 transitions. [2018-11-10 07:54:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 07:54:31,406 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:54:31,406 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] [2018-11-10 07:54:31,407 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:54:31,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:54:31,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1864933999, now seen corresponding path program 1 times [2018-11-10 07:54:31,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:54:31,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:54:31,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:54:31,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:54:31,408 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:54:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:54:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 07:54:31,482 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:54:31,482 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:54:31,482 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-10 07:54:31,482 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [66], [72], [76], [80], [83], [86], [88], [94], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [125], [129], [130], [131], [132], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [273], [274], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308] [2018-11-10 07:54:31,485 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:54:31,485 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:54:40,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:54:40,164 INFO L272 AbstractInterpreter]: Visited 63 different actions 92 times. Merged at 5 different actions 5 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 07:54:40,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:54:40,170 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:54:54,773 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 96.36% of their original sizes. [2018-11-10 07:54:54,773 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:54:55,375 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-11-10 07:54:55,375 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:54:55,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:54:55,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [6] total 29 [2018-11-10 07:54:55,375 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:54:55,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-10 07:54:55,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-10 07:54:55,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2018-11-10 07:54:55,376 INFO L87 Difference]: Start difference. First operand 486 states and 544 transitions. Second operand 25 states. [2018-11-10 07:55:18,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:18,916 INFO L93 Difference]: Finished difference Result 982 states and 1133 transitions. [2018-11-10 07:55:18,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-10 07:55:18,916 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 140 [2018-11-10 07:55:18,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:18,918 INFO L225 Difference]: With dead ends: 982 [2018-11-10 07:55:18,918 INFO L226 Difference]: Without dead ends: 646 [2018-11-10 07:55:18,919 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 113 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=221, Invalid=1111, Unknown=0, NotChecked=0, Total=1332 [2018-11-10 07:55:18,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-11-10 07:55:18,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 630. [2018-11-10 07:55:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2018-11-10 07:55:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 708 transitions. [2018-11-10 07:55:18,953 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 708 transitions. Word has length 140 [2018-11-10 07:55:18,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:18,953 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 708 transitions. [2018-11-10 07:55:18,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-10 07:55:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 708 transitions. [2018-11-10 07:55:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 07:55:18,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:18,955 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] [2018-11-10 07:55:18,955 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:18,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:18,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1409990126, now seen corresponding path program 1 times [2018-11-10 07:55:18,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:55:18,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:55:18,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:18,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:55:18,957 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:55:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 07:55:19,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:55:19,016 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:55:19,017 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-10 07:55:19,017 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [59], [60], [62], [66], [72], [76], [80], [83], [86], [88], [94], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [127], [129], [130], [131], [132], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [273], [274], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308] [2018-11-10 07:55:19,019 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:55:19,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:55:29,059 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:55:29,059 INFO L272 AbstractInterpreter]: Visited 92 different actions 112 times. Merged at 5 different actions 5 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 07:55:29,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:29,061 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:55:47,575 INFO L227 lantSequenceWeakener]: Weakened 112 states. On average, predicates are now at 96.73% of their original sizes. [2018-11-10 07:55:47,575 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:55:48,798 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-11-10 07:55:48,798 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:55:48,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:55:48,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [42] imperfect sequences [7] total 47 [2018-11-10 07:55:48,798 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:55:48,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-11-10 07:55:48,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-11-10 07:55:48,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1532, Unknown=0, NotChecked=0, Total=1722 [2018-11-10 07:55:48,800 INFO L87 Difference]: Start difference. First operand 630 states and 708 transitions. Second operand 42 states. [2018-11-10 07:56:33,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:56:33,949 INFO L93 Difference]: Finished difference Result 1338 states and 1590 transitions. [2018-11-10 07:56:33,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-11-10 07:56:33,949 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 140 [2018-11-10 07:56:33,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:56:33,951 INFO L225 Difference]: With dead ends: 1338 [2018-11-10 07:56:33,951 INFO L226 Difference]: Without dead ends: 978 [2018-11-10 07:56:33,953 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 171 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1574 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=509, Invalid=4893, Unknown=0, NotChecked=0, Total=5402 [2018-11-10 07:56:33,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2018-11-10 07:56:34,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 923. [2018-11-10 07:56:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2018-11-10 07:56:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1045 transitions. [2018-11-10 07:56:34,011 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1045 transitions. Word has length 140 [2018-11-10 07:56:34,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:56:34,012 INFO L481 AbstractCegarLoop]: Abstraction has 923 states and 1045 transitions. [2018-11-10 07:56:34,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-11-10 07:56:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1045 transitions. [2018-11-10 07:56:34,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 07:56:34,013 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:56:34,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:56:34,014 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:56:34,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:56:34,014 INFO L82 PathProgramCache]: Analyzing trace with hash 849613242, now seen corresponding path program 1 times [2018-11-10 07:56:34,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:56:34,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:56:34,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:56:34,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:56:34,015 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:56:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:56:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 07:56:34,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:56:34,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:56:34,072 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:56:34,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:56:34,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:56:34,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:56:34,073 INFO L87 Difference]: Start difference. First operand 923 states and 1045 transitions. Second operand 6 states. [2018-11-10 07:56:34,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:56:34,178 INFO L93 Difference]: Finished difference Result 1580 states and 1814 transitions. [2018-11-10 07:56:34,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:56:34,178 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-10 07:56:34,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:56:34,181 INFO L225 Difference]: With dead ends: 1580 [2018-11-10 07:56:34,182 INFO L226 Difference]: Without dead ends: 938 [2018-11-10 07:56:34,183 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 [2018-11-10 07:56:34,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2018-11-10 07:56:34,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2018-11-10 07:56:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2018-11-10 07:56:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1060 transitions. [2018-11-10 07:56:34,273 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1060 transitions. Word has length 156 [2018-11-10 07:56:34,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:56:34,274 INFO L481 AbstractCegarLoop]: Abstraction has 938 states and 1060 transitions. [2018-11-10 07:56:34,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:56:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1060 transitions. [2018-11-10 07:56:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 07:56:34,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:56:34,276 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:56:34,276 INFO L424 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:56:34,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:56:34,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1394370056, now seen corresponding path program 1 times [2018-11-10 07:56:34,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:56:34,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:56:34,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:56:34,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:56:34,277 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:56:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:56:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 07:56:34,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:56:34,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 07:56:34,379 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:56:34,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 07:56:34,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 07:56:34,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:56:34,380 INFO L87 Difference]: Start difference. First operand 938 states and 1060 transitions. Second operand 10 states. [2018-11-10 07:56:34,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:56:34,715 INFO L93 Difference]: Finished difference Result 1726 states and 1982 transitions. [2018-11-10 07:56:34,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 07:56:34,715 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2018-11-10 07:56:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:56:34,719 INFO L225 Difference]: With dead ends: 1726 [2018-11-10 07:56:34,719 INFO L226 Difference]: Without dead ends: 1254 [2018-11-10 07:56:34,720 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 07:56:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2018-11-10 07:56:34,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1174. [2018-11-10 07:56:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2018-11-10 07:56:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1327 transitions. [2018-11-10 07:56:34,786 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1327 transitions. Word has length 156 [2018-11-10 07:56:34,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:56:34,786 INFO L481 AbstractCegarLoop]: Abstraction has 1174 states and 1327 transitions. [2018-11-10 07:56:34,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 07:56:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1327 transitions. [2018-11-10 07:56:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 07:56:34,789 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:56:34,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:56:34,789 INFO L424 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:56:34,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:56:34,789 INFO L82 PathProgramCache]: Analyzing trace with hash -575799399, now seen corresponding path program 1 times [2018-11-10 07:56:34,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:56:34,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:56:34,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:56:34,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:56:34,790 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:56:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:56:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 07:56:34,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:56:34,851 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:56:34,852 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-10 07:56:34,852 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [66], [72], [76], [80], [83], [86], [88], [91], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [125], [129], [130], [131], [132], [135], [137], [139], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308] [2018-11-10 07:56:34,854 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:56:34,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:56:44,131 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:56:44,131 INFO L272 AbstractInterpreter]: Visited 68 different actions 102 times. Merged at 6 different actions 6 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 07:56:44,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:56:44,136 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:57:01,455 INFO L227 lantSequenceWeakener]: Weakened 82 states. On average, predicates are now at 96.38% of their original sizes. [2018-11-10 07:57:01,455 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:57:02,141 INFO L415 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-11-10 07:57:02,141 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:57:02,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:57:02,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-11-10 07:57:02,141 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:57:02,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-10 07:57:02,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-10 07:57:02,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2018-11-10 07:57:02,142 INFO L87 Difference]: Start difference. First operand 1174 states and 1327 transitions. Second operand 27 states. [2018-11-10 07:57:23,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:57:23,473 INFO L93 Difference]: Finished difference Result 2066 states and 2403 transitions. [2018-11-10 07:57:23,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-10 07:57:23,473 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 148 [2018-11-10 07:57:23,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:57:23,477 INFO L225 Difference]: With dead ends: 2066 [2018-11-10 07:57:23,477 INFO L226 Difference]: Without dead ends: 1487 [2018-11-10 07:57:23,478 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 120 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=1167, Unknown=0, NotChecked=0, Total=1332 [2018-11-10 07:57:23,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2018-11-10 07:57:23,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1416. [2018-11-10 07:57:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2018-11-10 07:57:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1623 transitions. [2018-11-10 07:57:23,565 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1623 transitions. Word has length 148 [2018-11-10 07:57:23,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:57:23,566 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1623 transitions. [2018-11-10 07:57:23,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-10 07:57:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1623 transitions. [2018-11-10 07:57:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 07:57:23,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:57:23,568 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:57:23,568 INFO L424 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:57:23,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:57:23,568 INFO L82 PathProgramCache]: Analyzing trace with hash 491776374, now seen corresponding path program 1 times [2018-11-10 07:57:23,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:57:23,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:57:23,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:57:23,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:57:23,569 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:57:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:57:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 07:57:23,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:57:23,672 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:57:23,672 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-10 07:57:23,672 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [59], [60], [62], [66], [72], [76], [80], [83], [86], [88], [91], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [127], [129], [130], [131], [132], [135], [137], [139], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308] [2018-11-10 07:57:23,674 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:57:23,674 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:58:44,466 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:58:44,466 INFO L272 AbstractInterpreter]: Visited 116 different actions 875 times. Merged at 20 different actions 89 times. Never widened. Found 13 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-10 07:58:44,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:58:44,468 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:59:15,432 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 96.73% of their original sizes. [2018-11-10 07:59:15,433 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:59:18,390 INFO L415 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-11-10 07:59:18,390 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:59:18,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:59:18,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [54] imperfect sequences [12] total 64 [2018-11-10 07:59:18,390 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:59:18,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-11-10 07:59:18,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-11-10 07:59:18,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=2653, Unknown=0, NotChecked=0, Total=2862 [2018-11-10 07:59:18,391 INFO L87 Difference]: Start difference. First operand 1416 states and 1623 transitions. Second operand 54 states. [2018-11-10 08:00:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:00:38,426 INFO L93 Difference]: Finished difference Result 3449 states and 4235 transitions. [2018-11-10 08:00:38,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-11-10 08:00:38,426 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 148 [2018-11-10 08:00:38,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:00:38,432 INFO L225 Difference]: With dead ends: 3449 [2018-11-10 08:00:38,432 INFO L226 Difference]: Without dead ends: 2057 [2018-11-10 08:00:38,437 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 72 SyntacticMatches, 23 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3998 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=747, Invalid=10383, Unknown=0, NotChecked=0, Total=11130 [2018-11-10 08:00:38,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2018-11-10 08:00:38,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1678. [2018-11-10 08:00:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2018-11-10 08:00:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 1871 transitions. [2018-11-10 08:00:38,637 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 1871 transitions. Word has length 148 [2018-11-10 08:00:38,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:00:38,637 INFO L481 AbstractCegarLoop]: Abstraction has 1678 states and 1871 transitions. [2018-11-10 08:00:38,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-11-10 08:00:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 1871 transitions. [2018-11-10 08:00:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 08:00:38,641 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:00:38,641 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:00:38,641 INFO L424 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:00:38,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:00:38,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1977164003, now seen corresponding path program 1 times [2018-11-10 08:00:38,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:00:38,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:00:38,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:00:38,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:00:38,643 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:00:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:00:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 46 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:00:38,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:00:38,760 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 08:00:38,760 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-10 08:00:38,760 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [27], [29], [30], [31], [34], [35], [36], [39], [41], [44], [47], [51], [54], [55], [59], [60], [61], [62], [66], [72], [76], [80], [83], [86], [88], [91], [94], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [127], [129], [130], [131], [132], [135], [137], [139], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [237], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308], [311], [312] [2018-11-10 08:00:38,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 08:00:38,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 08:02:08,950 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 08:02:08,950 INFO L272 AbstractInterpreter]: Visited 128 different actions 980 times. Merged at 23 different actions 111 times. Widened at 1 different actions 1 times. Found 24 fixpoints after 6 different actions. Largest state had 132 variables. [2018-11-10 08:02:08,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:02:08,952 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 08:02:08,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:02:08,953 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:02:08,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:02:08,959 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 08:02:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:02:09,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:02:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 08:02:09,209 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 08:02:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 38 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-10 08:02:09,656 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 08:02:09,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 13] total 25 [2018-11-10 08:02:09,656 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 08:02:09,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-10 08:02:09,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-10 08:02:09,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2018-11-10 08:02:09,657 INFO L87 Difference]: Start difference. First operand 1678 states and 1871 transitions. Second operand 16 states. [2018-11-10 08:02:11,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:02:11,156 INFO L93 Difference]: Finished difference Result 4249 states and 5305 transitions. [2018-11-10 08:02:11,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-10 08:02:11,157 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 202 [2018-11-10 08:02:11,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:02:11,168 INFO L225 Difference]: With dead ends: 4249 [2018-11-10 08:02:11,168 INFO L226 Difference]: Without dead ends: 3051 [2018-11-10 08:02:11,173 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 393 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=474, Invalid=1418, Unknown=0, NotChecked=0, Total=1892 [2018-11-10 08:02:11,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2018-11-10 08:02:11,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2236. [2018-11-10 08:02:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2018-11-10 08:02:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2472 transitions. [2018-11-10 08:02:11,441 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2472 transitions. Word has length 202 [2018-11-10 08:02:11,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:02:11,442 INFO L481 AbstractCegarLoop]: Abstraction has 2236 states and 2472 transitions. [2018-11-10 08:02:11,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-10 08:02:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2472 transitions. [2018-11-10 08:02:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-10 08:02:11,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:02:11,445 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:02:11,445 INFO L424 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:02:11,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:02:11,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1850770713, now seen corresponding path program 1 times [2018-11-10 08:02:11,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:02:11,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:02:11,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:02:11,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:02:11,447 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:02:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:02:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-10 08:02:11,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:02:11,558 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 08:02:11,559 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-11-10 08:02:11,559 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [35], [36], [39], [41], [44], [47], [51], [54], [55], [59], [60], [61], [62], [66], [72], [76], [80], [83], [86], [88], [91], [94], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [127], [129], [130], [131], [132], [135], [137], [139], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [237], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308], [311], [312] [2018-11-10 08:02:11,563 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 08:02:11,563 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 08:03:41,454 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 08:03:41,454 INFO L272 AbstractInterpreter]: Visited 127 different actions 976 times. Merged at 23 different actions 111 times. Widened at 1 different actions 1 times. Found 24 fixpoints after 6 different actions. Largest state had 132 variables. [2018-11-10 08:03:41,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:03:41,455 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 08:03:41,455 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:03:41,455 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:03:41,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:03:41,461 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 08:03:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:03:41,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:03:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 08:03:41,570 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 08:03:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-10 08:03:41,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:03:41,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-10 08:03:41,718 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:03:41,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 08:03:41,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 08:03:41,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-10 08:03:41,719 INFO L87 Difference]: Start difference. First operand 2236 states and 2472 transitions. Second operand 6 states. [2018-11-10 08:03:41,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:03:41,879 INFO L93 Difference]: Finished difference Result 3971 states and 4436 transitions. [2018-11-10 08:03:41,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 08:03:41,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2018-11-10 08:03:41,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:03:41,887 INFO L225 Difference]: With dead ends: 3971 [2018-11-10 08:03:41,887 INFO L226 Difference]: Without dead ends: 2158 [2018-11-10 08:03:41,891 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 407 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-10 08:03:41,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2018-11-10 08:03:42,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2158. [2018-11-10 08:03:42,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2158 states. [2018-11-10 08:03:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 2384 transitions. [2018-11-10 08:03:42,133 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 2384 transitions. Word has length 206 [2018-11-10 08:03:42,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:03:42,133 INFO L481 AbstractCegarLoop]: Abstraction has 2158 states and 2384 transitions. [2018-11-10 08:03:42,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 08:03:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2384 transitions. [2018-11-10 08:03:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-10 08:03:42,138 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:03:42,138 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-10 08:03:42,138 INFO L424 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:03:42,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:03:42,138 INFO L82 PathProgramCache]: Analyzing trace with hash 622952646, now seen corresponding path program 1 times [2018-11-10 08:03:42,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:03:42,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:03:42,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:03:42,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:03:42,139 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:03:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:03:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-10 08:03:42,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:03:42,248 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 08:03:42,248 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 255 with the following transitions: [2018-11-10 08:03:42,248 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [59], [60], [62], [66], [72], [76], [80], [83], [86], [88], [91], [94], [96], [99], [114], [115], [116], [117], [118], [119], [120], [122], [125], [127], [129], [130], [131], [132], [135], [137], [139], [142], [145], [149], [155], [156], [157], [185], [187], [190], [192], [194], [197], [199], [204], [210], [213], [217], [221], [222], [225], [227], [230], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [265], [266], [267], [268], [271], [272], [273], [274], [275], [276], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308] [2018-11-10 08:03:42,250 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 08:03:42,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 08:05:26,278 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 08:05:26,278 INFO L272 AbstractInterpreter]: Visited 127 different actions 1113 times. Merged at 33 different actions 220 times. Widened at 1 different actions 1 times. Found 33 fixpoints after 7 different actions. Largest state had 132 variables. [2018-11-10 08:05:26,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:05:26,279 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 08:05:26,280 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:05:26,280 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:05:26,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:05:26,292 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 08:05:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:05:26,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:05:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 75 proven. 28 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-10 08:05:26,452 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 08:05:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 49 proven. 23 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-11-10 08:05:26,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 08:05:26,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 19 [2018-11-10 08:05:26,739 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 08:05:26,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-10 08:05:26,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-10 08:05:26,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2018-11-10 08:05:26,740 INFO L87 Difference]: Start difference. First operand 2158 states and 2384 transitions. Second operand 14 states. [2018-11-10 08:05:27,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:05:27,562 INFO L93 Difference]: Finished difference Result 4557 states and 5380 transitions. [2018-11-10 08:05:27,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 08:05:27,563 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 254 [2018-11-10 08:05:27,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:05:27,564 INFO L225 Difference]: With dead ends: 4557 [2018-11-10 08:05:27,564 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 08:05:27,571 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 487 SyntacticMatches, 16 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2018-11-10 08:05:27,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 08:05:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 08:05:27,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 08:05:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 08:05:27,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2018-11-10 08:05:27,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:05:27,572 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 08:05:27,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-10 08:05:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 08:05:27,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:05:27,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 08:05:27,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:27,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:27,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:27,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:28,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,100 WARN L179 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 547 DAG size of output: 399 [2018-11-10 08:05:29,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:29,919 WARN L179 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 441 [2018-11-10 08:05:30,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:30,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,779 WARN L179 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 367 [2018-11-10 08:05:31,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:31,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,839 WARN L179 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 411 [2018-11-10 08:05:32,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:32,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:33,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:33,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 08:05:33,437 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2018-11-10 08:05:34,027 WARN L179 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 21 [2018-11-10 08:05:34,854 WARN L179 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 31 [2018-11-10 08:05:35,175 WARN L179 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 1 [2018-11-10 08:05:36,506 WARN L179 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 516 DAG size of output: 30 [2018-11-10 08:05:37,112 WARN L179 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 59 [2018-11-10 08:05:37,785 WARN L179 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 21 [2018-11-10 08:05:38,200 WARN L179 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 52 [2018-11-10 08:05:38,872 WARN L179 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 22 [2018-11-10 08:05:39,160 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 1 [2018-11-10 08:05:39,489 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 25 [2018-11-10 08:05:40,710 WARN L179 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 434 DAG size of output: 65 [2018-11-10 08:05:40,943 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 19 [2018-11-10 08:05:41,778 WARN L179 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 22 [2018-11-10 08:05:41,906 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2018-11-10 08:05:43,144 WARN L179 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 394 DAG size of output: 93 [2018-11-10 08:05:43,482 WARN L179 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 1 [2018-11-10 08:05:43,821 WARN L179 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 16 [2018-11-10 08:05:44,286 WARN L179 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2018-11-10 08:05:44,568 WARN L179 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 21 [2018-11-10 08:05:45,184 WARN L179 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 21 [2018-11-10 08:05:46,066 WARN L179 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 32 [2018-11-10 08:05:46,425 WARN L179 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 14 [2018-11-10 08:05:46,868 WARN L179 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 21 [2018-11-10 08:05:47,318 WARN L179 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 25 [2018-11-10 08:05:47,860 WARN L179 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 40 [2018-11-10 08:05:48,133 WARN L179 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 1 [2018-11-10 08:05:49,503 WARN L179 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 489 DAG size of output: 30 [2018-11-10 08:05:49,992 WARN L179 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 21 [2018-11-10 08:05:50,336 WARN L179 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 1 [2018-11-10 08:05:52,017 WARN L179 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 432 DAG size of output: 87 [2018-11-10 08:05:52,747 WARN L179 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 53 [2018-11-10 08:05:52,890 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 37 [2018-11-10 08:05:53,035 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 13 [2018-11-10 08:05:53,138 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2018-11-10 08:05:53,248 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 37 [2018-11-10 08:05:53,565 WARN L179 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 1 [2018-11-10 08:05:53,567 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2018-11-10 08:05:53,567 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2018-11-10 08:05:53,567 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-10 08:05:53,567 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2018-11-10 08:05:53,567 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-10 08:05:53,567 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~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)|))) [2018-11-10 08:05:53,567 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2018-11-10 08:05:53,568 INFO L421 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (and (<= main_~tmp~9 ~waterLevel~0) (<= 1 (+ ~pumpRunning~0 main_~tmp~9)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~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)|))) [2018-11-10 08:05:53,568 INFO L421 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (and (<= main_~tmp~9 ~waterLevel~0) (<= 1 (+ ~pumpRunning~0 main_~tmp~9)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~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)|))) [2018-11-10 08:05:53,568 INFO L425 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2018-11-10 08:05:53,568 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2018-11-10 08:05:53,568 INFO L425 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2018-11-10 08:05:53,568 INFO L425 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-11-10 08:05:53,568 INFO L421 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~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)|))) [2018-11-10 08:05:53,568 INFO L421 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~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)|))) [2018-11-10 08:05:53,568 INFO L421 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~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)|))) [2018-11-10 08:05:53,568 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 241) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L428 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2018-11-10 08:05:53,569 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~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)|))) [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2018-11-10 08:05:53,569 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 08:05:53,570 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2018-11-10 08:05:53,570 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2018-11-10 08:05:53,570 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (and (= processEnvironment_~tmp~1 0) (<= ~waterLevel~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-10 08:05:53,570 INFO L421 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (and (<= 1 processEnvironment_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (< 2 (* 2 |old(~pumpRunning~0)|)) (= processEnvironment_~tmp~1 1) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))))) [2018-11-10 08:05:53,570 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2018-11-10 08:05:53,570 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2018-11-10 08:05:53,570 INFO L421 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 08:05:53,570 INFO L425 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-11-10 08:05:53,570 INFO L425 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2018-11-10 08:05:53,570 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-10 08:05:53,570 INFO L421 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 08:05:53,570 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2018-11-10 08:05:53,571 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2018-11-10 08:05:53,571 INFO L425 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-11-10 08:05:53,571 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2018-11-10 08:05:53,571 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2018-11-10 08:05:53,571 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-11-10 08:05:53,571 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-11-10 08:05:53,571 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~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)|))) [2018-11-10 08:05:53,571 INFO L421 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 08:05:53,571 INFO L425 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-11-10 08:05:53,571 INFO L425 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-11-10 08:05:53,571 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2018-11-10 08:05:53,571 INFO L421 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (and (<= ~waterLevel~0 1) (and (= 0 ~pumpRunning~0) .cse0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 08:05:53,571 INFO L421 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 08:05:53,571 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point L261-1(lines 261 306) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L421 ceAbstractionStarter]: At program point L307(lines 260 308) 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)|))) [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L421 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:05:53,572 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L428 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2018-11-10 08:05:53,573 INFO L425 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-11-10 08:05:53,574 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse15 (* 2 ~pumpRunning~0))) (let ((.cse12 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse5 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse10 (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|)) (.cse9 (< 0 .cse15)) (.cse14 (= ~methaneLevelCritical~0 1)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse13 (not (= ~systemActive~0 1))) (.cse11 (< 2 ~waterLevel~0)) (.cse4 (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (.cse7 (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|)) (.cse0 (< 2 .cse15)) (.cse1 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse8 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse3 (< ~pumpRunning~0 (+ |old(~methaneLevelCritical~0)| 1)))) (and (or (or .cse0 .cse1 .cse2 (< ~pumpRunning~0 ~waterLevel~0) .cse3) (and .cse4 .cse5)) (or (and (<= ~systemActive~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 ~systemActive~0)) (or .cse6 (< .cse7 3) (< (* 2 ~systemActive~0) 2) .cse8 .cse9 (< (+ ~pumpRunning~0 2) ~waterLevel~0))) (or (or (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse1 (< 0 .cse10) .cse8 .cse9) .cse11 (and .cse12 (<= ~methaneLevelCritical~0 ~pumpRunning~0))) (or (or .cse6 (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse13) .cse14) (or (and .cse12 .cse5) .cse1 .cse2 (< .cse10 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~waterLevel~0 1)) .cse9) (or .cse14 (or .cse6 .cse13 (not (= 1 ~pumpRunning~0))) .cse11) (or (and (<= (* 2 ~methaneLevelCritical~0) 0) .cse4) (or (< .cse7 2) .cse0 .cse1 .cse8 .cse3))))) [2018-11-10 08:05:53,574 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2018-11-10 08:05:53,574 INFO L421 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse16 (* 2 |old(~pumpRunning~0)|))) (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse8 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse11 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse9 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse10 (< (* 2 ~systemActive~0) 2)) (.cse2 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 0 .cse16))) (and (or .cse0 .cse1 .cse2 (< .cse3 0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (and (= ~pumpRunning~0 1) .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse5 .cse6) .cse7 .cse8) (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) .cse0) (or (< .cse9 3) .cse10 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) .cse11)) (let ((.cse12 (<= ~waterLevel~0 0)) (.cse14 (= 0 ~pumpRunning~0))) (or .cse8 (and .cse12 .cse6) .cse7 .cse13 (and .cse14 .cse12) (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse14))) (or (< 0 |old(~waterLevel~0)|) .cse8 .cse5 .cse13) (let ((.cse15 (+ ~methaneLevelCritical~0 1))) (or (<= .cse15 ~waterLevel~0) (< .cse9 2) (< 2 .cse16) .cse1 .cse11 (< |old(~pumpRunning~0)| .cse15))) (or (< 2 .cse9) .cse10 .cse2 .cse0 (< .cse3 1) .cse4)))) [2018-11-10 08:05:53,574 INFO L421 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-10 08:05:53,574 INFO L425 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-11-10 08:05:53,574 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse1 .cse0))) [2018-11-10 08:05:53,574 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-11-10 08:05:53,574 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-11-10 08:05:53,575 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse7 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|)))) (and (or .cse0 (and (<= ~waterLevel~0 1) .cse1) .cse2 .cse3) (let ((.cse5 (<= ~waterLevel~0 0))) (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse4 .cse5) (and (<= 1 |old(~waterLevel~0)|) .cse5) .cse3)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse1) .cse2 .cse0) (or (or (< .cse6 3) (< (* 2 ~systemActive~0) 2) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) .cse7) (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0))) (or (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)) (< .cse6 2) (< 2 (* 2 |old(~pumpRunning~0)|)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse7 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))))) [2018-11-10 08:05:53,575 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2018-11-10 08:05:53,575 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2018-11-10 08:05:53,575 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2018-11-10 08:05:53,575 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2018-11-10 08:05:53,575 INFO L425 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2018-11-10 08:05:53,575 INFO L428 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2018-11-10 08:05:53,575 INFO L425 ceAbstractionStarter]: For program point L870-1(lines 870 884) no Hoare annotation was computed. [2018-11-10 08:05:53,575 INFO L428 ceAbstractionStarter]: At program point L870-3(lines 870 884) the Hoare annotation is: true [2018-11-10 08:05:53,575 INFO L428 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-11-10 08:05:53,575 INFO L425 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-11-10 08:05:53,575 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2018-11-10 08:05:53,575 INFO L428 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2018-11-10 08:05:53,575 INFO L425 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-11-10 08:05:53,575 INFO L425 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-11-10 08:05:53,576 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2018-11-10 08:05:53,576 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2018-11-10 08:05:53,576 INFO L421 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-10 08:05:53,576 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-11-10 08:05:53,576 INFO L421 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and (<= (+ ~pumpRunning~0 __utac_acc__Specification3_spec__1_~tmp___0~3) 3) (<= 4 (* 2 __utac_acc__Specification3_spec__1_~tmp___0~3)))) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) (or .cse3 .cse1 .cse2) (or (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) .cse0) (or (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) .cse0 (and (<= (+ ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~5) 0) (<= 1 (+ ~systemActive~0 __utac_acc__Specification3_spec__1_~tmp~5)))))) [2018-11-10 08:05:53,576 INFO L425 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-11-10 08:05:53,576 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2018-11-10 08:05:53,576 INFO L425 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2018-11-10 08:05:53,576 INFO L421 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (< 2 ~waterLevel~0)) (.cse2 (<= 1 (+ ~systemActive~0 __utac_acc__Specification3_spec__1_~tmp~5))) (.cse3 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse1) (or (and (<= (+ ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~5) 0) .cse2) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse3 .cse4 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) .cse5) (or (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) .cse5) (or (and (<= (+ __utac_acc__Specification3_spec__1_~tmp~5 1) ~waterLevel~0) .cse2) .cse3 (< ~waterLevel~0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse4 (not (= ~waterLevel~0 1)) (< 0 (* 2 ~pumpRunning~0))))) [2018-11-10 08:05:53,576 INFO L425 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-11-10 08:05:53,576 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-11-10 08:05:53,576 INFO L428 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-11-10 08:05:53,577 INFO L425 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-10 08:05:53,577 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 08:05:53,577 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2018-11-10 08:05:53,577 INFO L425 ceAbstractionStarter]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2018-11-10 08:05:53,577 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:05:53,577 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-11-10 08:05:53,577 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:05:53,577 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:05:53,577 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2018-11-10 08:05:53,577 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2018-11-10 08:05:53,577 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or .cse0 (< 0 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-10 08:05:53,577 INFO L421 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (and (not (= ~waterLevel~0 2)) .cse1) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~0 1) .cse1))) (or (< 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (* 2 ~systemActive~0) 2) .cse2 (< .cse3 1) .cse4) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse2 (< .cse3 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse4) (or (< 0 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 08:05:53,577 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-11-10 08:05:53,578 INFO L421 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 0 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 08:05:53,578 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2018-11-10 08:05:53,578 INFO L425 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-11-10 08:05:53,578 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-11-10 08:05:53,578 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 0 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 08:05:53,578 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-11-10 08:05:53,578 INFO L421 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 0 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 08:05:53,578 INFO L425 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-11-10 08:05:53,578 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2018-11-10 08:05:53,578 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (or (< 1 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) .cse0) .cse1) (or .cse0 (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) .cse1))) [2018-11-10 08:05:53,578 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2018-11-10 08:05:53,578 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2018-11-10 08:05:53,578 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-11-10 08:05:53,579 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2018-11-10 08:05:53,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:05:53 BoogieIcfgContainer [2018-11-10 08:05:53,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:05:53,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:05:53,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:05:53,589 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:05:53,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:53:11" (3/4) ... [2018-11-10 08:05:53,592 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 08:05:53,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 08:05:53,598 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 08:05:53,599 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 08:05:53,599 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 08:05:53,599 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 08:05:53,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 08:05:53,606 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 08:05:53,606 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 08:05:53,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < systemActive) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) [2018-11-10 08:05:53,629 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) [2018-11-10 08:05:53,668 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7210e8a5-b740-4f80-9e3f-14940a2f3d2e/bin-2019/utaipan/witness.graphml [2018-11-10 08:05:53,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:05:53,669 INFO L168 Benchmark]: Toolchain (without parser) took 763194.76 ms. Allocated memory was 1.0 GB in the beginning and 5.7 GB in the end (delta: 4.6 GB). Free memory was 955.4 MB in the beginning and 3.7 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-10 08:05:53,669 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:05:53,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.03 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 933.8 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:05:53,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 933.8 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:05:53,670 INFO L168 Benchmark]: Boogie Preprocessor took 26.72 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. [2018-11-10 08:05:53,670 INFO L168 Benchmark]: RCFGBuilder took 604.10 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: 91.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:05:53,670 INFO L168 Benchmark]: TraceAbstraction took 762070.79 ms. Allocated memory was 1.2 GB in the beginning and 5.7 GB in the end (delta: 4.5 GB). Free memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 5.3 GB. Max. memory is 11.5 GB. [2018-11-10 08:05:53,671 INFO L168 Benchmark]: Witness Printer took 79.55 ms. Allocated memory is still 5.7 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-11-10 08:05:53,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.03 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 933.8 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 933.8 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.72 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 604.10 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: 91.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 762070.79 ms. Allocated memory was 1.2 GB in the beginning and 5.7 GB in the end (delta: 4.5 GB). Free memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 5.3 GB. Max. memory is 11.5 GB. * Witness Printer took 79.55 ms. Allocated memory is still 5.7 GB. Free memory was 3.7 GB in the beginning and 3.7 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: 959]: 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: 261]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < systemActive) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: 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) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 762.0s OverallTime, 20 OverallIterations, 4 TraceHistogramMax, 218.8s AutomataDifference, 0.0s DeadEndRemovalTime, 25.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 3744 SDtfs, 4835 SDslu, 24928 SDs, 0 SdLazy, 17140 SolverSat, 1861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 157.6s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 2486 GetRequests, 1955 SyntacticMatches, 63 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7561 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2236occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 406.0s AbstIntTime, 9 AbstIntIterations, 6 AbstIntStrong, 0.9941546635775348 AbsIntWeakeningRatio, 0.9432624113475178 AbsIntAvgWeakeningVarsNumRemoved, 3648.4148936170213 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 1593 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 5695 PreInvPairs, 6219 NumberOfFragments, 2130 HoareAnnotationTreeSize, 5695 FomulaSimplifications, 764110 FormulaSimplificationTreeSizeReduction, 5.7s HoareSimplificationTime, 60 FomulaSimplificationsInter, 462555 FormulaSimplificationTreeSizeReductionInter, 20.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 3165 NumberOfCodeBlocks, 3165 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 3801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1032830 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2806 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 26 InterpolantComputations, 12 PerfectInterpolantSequences, 1391/1510 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...