./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_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_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/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 bf8906b0b730189db64c3dc46780e4460503fe36 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:46:23,095 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:46:23,097 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:46:23,104 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:46:23,104 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:46:23,105 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:46:23,105 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:46:23,107 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:46:23,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:46:23,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:46:23,109 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:46:23,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:46:23,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:46:23,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:46:23,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:46:23,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:46:23,114 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:46:23,115 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:46:23,116 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:46:23,117 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:46:23,118 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:46:23,119 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:46:23,121 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:46:23,121 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:46:23,121 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:46:23,122 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:46:23,123 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:46:23,123 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:46:23,124 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:46:23,125 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:46:23,125 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:46:23,126 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:46:23,126 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:46:23,126 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:46:23,127 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:46:23,127 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:46:23,127 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:46:23,137 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:46:23,137 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:46:23,137 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:46:23,137 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:46:23,138 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:46:23,138 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:46:23,138 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:46:23,138 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:46:23,138 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:46:23,138 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:46:23,138 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:46:23,139 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:46:23,139 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:46:23,139 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:46:23,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:46:23,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:46:23,140 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:46:23,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:46:23,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:46:23,140 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:46:23,140 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:46:23,141 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:46:23,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:46:23,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:46:23,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:46:23,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:46:23,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:46:23,142 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:46:23,142 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:46:23,142 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:46:23,142 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:46:23,142 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:46:23,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:46:23,143 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:46:23,143 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_8bfc2ca7-0751-4971-8cc7-26c6636b667d/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 -> bf8906b0b730189db64c3dc46780e4460503fe36 [2018-11-10 03:46:23,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:46:23,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:46:23,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:46:23,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:46:23,179 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:46:23,179 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:23,216 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/data/25182aa4f/59f2b3ae3015408c99bd696e9b7dbb0a/FLAG47031b6b0 [2018-11-10 03:46:23,577 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:46:23,577 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:23,584 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/data/25182aa4f/59f2b3ae3015408c99bd696e9b7dbb0a/FLAG47031b6b0 [2018-11-10 03:46:23,592 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/data/25182aa4f/59f2b3ae3015408c99bd696e9b7dbb0a [2018-11-10 03:46:23,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:46:23,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:46:23,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:46:23,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:46:23,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:46:23,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:23,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d30dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23, skipping insertion in model container [2018-11-10 03:46:23,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:23,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:46:23,637 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:46:23,844 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:46:23,855 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:46:23,926 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:46:23,946 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:46:23,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23 WrapperNode [2018-11-10 03:46:23,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:46:23,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:46:23,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:46:23,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:46:24,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:46:24,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:46:24,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:46:24,065 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:46:24,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... [2018-11-10 03:46:24,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:46:24,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:46:24,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:46:24,096 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:46:24,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/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 03:46:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 03:46:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 03:46:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:46:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:46:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 03:46:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 03:46:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 03:46:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 03:46:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 03:46:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 03:46:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-10 03:46:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-10 03:46:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:46:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:46:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 03:46:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 03:46:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 03:46:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 03:46:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-10 03:46:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-10 03:46:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-10 03:46:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-10 03:46:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 03:46:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 03:46:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:46:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:46:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:46:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:46:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:46:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:46:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 03:46:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 03:46:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 03:46:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 03:46:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:46:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:46:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 03:46:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 03:46:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 03:46:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 03:46:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 03:46:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 03:46:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 03:46:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 03:46:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 03:46:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 03:46:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 03:46:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 03:46:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:46:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:46:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:46:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:46:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:46:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:46:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-10 03:46:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-10 03:46:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:46:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:46:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 03:46:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 03:46:24,796 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:46:24,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:24 BoogieIcfgContainer [2018-11-10 03:46:24,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:46:24,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:46:24,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:46:24,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:46:24,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:46:23" (1/3) ... [2018-11-10 03:46:24,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a3ad47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:46:24, skipping insertion in model container [2018-11-10 03:46:24,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:23" (2/3) ... [2018-11-10 03:46:24,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a3ad47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:46:24, skipping insertion in model container [2018-11-10 03:46:24,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:24" (3/3) ... [2018-11-10 03:46:24,804 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:24,812 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:46:24,818 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:46:24,831 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:46:24,853 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:46:24,854 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:46:24,854 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:46:24,854 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:46:24,854 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:46:24,854 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:46:24,854 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:46:24,854 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:46:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-11-10 03:46:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 03:46:24,879 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:24,879 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 03:46:24,881 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:24,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:24,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1751112091, now seen corresponding path program 1 times [2018-11-10 03:46:24,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:24,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:24,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:24,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:24,921 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:25,076 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 03:46:25,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:25,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:46:25,078 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:25,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:46:25,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:46:25,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:46:25,091 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2018-11-10 03:46:25,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:25,120 INFO L93 Difference]: Finished difference Result 302 states and 375 transitions. [2018-11-10 03:46:25,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:46:25,121 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-10 03:46:25,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:25,128 INFO L225 Difference]: With dead ends: 302 [2018-11-10 03:46:25,128 INFO L226 Difference]: Without dead ends: 151 [2018-11-10 03:46:25,130 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 03:46:25,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-10 03:46:25,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-10 03:46:25,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-10 03:46:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 179 transitions. [2018-11-10 03:46:25,168 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 179 transitions. Word has length 52 [2018-11-10 03:46:25,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:25,168 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 179 transitions. [2018-11-10 03:46:25,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:46:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2018-11-10 03:46:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 03:46:25,172 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:25,172 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 03:46:25,172 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:25,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:25,173 INFO L82 PathProgramCache]: Analyzing trace with hash 84688129, now seen corresponding path program 1 times [2018-11-10 03:46:25,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:25,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:25,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:25,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:25,174 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:25,269 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 03:46:25,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:25,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:46:25,269 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:25,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:46:25,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:46:25,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:46:25,272 INFO L87 Difference]: Start difference. First operand 151 states and 179 transitions. Second operand 3 states. [2018-11-10 03:46:25,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:25,292 INFO L93 Difference]: Finished difference Result 249 states and 295 transitions. [2018-11-10 03:46:25,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:46:25,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-10 03:46:25,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:25,295 INFO L225 Difference]: With dead ends: 249 [2018-11-10 03:46:25,295 INFO L226 Difference]: Without dead ends: 141 [2018-11-10 03:46:25,296 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 03:46:25,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-10 03:46:25,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-10 03:46:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-10 03:46:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-11-10 03:46:25,308 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 54 [2018-11-10 03:46:25,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:25,308 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-11-10 03:46:25,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:46:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-11-10 03:46:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 03:46:25,310 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:25,310 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 03:46:25,310 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:25,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:25,311 INFO L82 PathProgramCache]: Analyzing trace with hash -2086699400, now seen corresponding path program 1 times [2018-11-10 03:46:25,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:25,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:25,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:25,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:25,312 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:25,436 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 03:46:25,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:25,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:46:25,436 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:25,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:46:25,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:46:25,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:46:25,437 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 7 states. [2018-11-10 03:46:25,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:25,724 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2018-11-10 03:46:25,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:46:25,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-10 03:46:25,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:25,726 INFO L225 Difference]: With dead ends: 258 [2018-11-10 03:46:25,726 INFO L226 Difference]: Without dead ends: 141 [2018-11-10 03:46:25,727 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 03:46:25,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-10 03:46:25,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-10 03:46:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-10 03:46:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 165 transitions. [2018-11-10 03:46:25,737 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 165 transitions. Word has length 58 [2018-11-10 03:46:25,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:25,738 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 165 transitions. [2018-11-10 03:46:25,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:46:25,738 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 165 transitions. [2018-11-10 03:46:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 03:46:25,740 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:25,740 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] [2018-11-10 03:46:25,741 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:25,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:25,741 INFO L82 PathProgramCache]: Analyzing trace with hash 995584250, now seen corresponding path program 1 times [2018-11-10 03:46:25,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:25,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:25,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:25,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:25,743 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:25,829 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 03:46:25,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:25,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 03:46:25,830 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:25,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 03:46:25,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 03:46:25,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 03:46:25,831 INFO L87 Difference]: Start difference. First operand 141 states and 165 transitions. Second operand 5 states. [2018-11-10 03:46:26,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:26,188 INFO L93 Difference]: Finished difference Result 374 states and 453 transitions. [2018-11-10 03:46:26,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 03:46:26,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-10 03:46:26,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:26,195 INFO L225 Difference]: With dead ends: 374 [2018-11-10 03:46:26,195 INFO L226 Difference]: Without dead ends: 257 [2018-11-10 03:46:26,196 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 03:46:26,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-11-10 03:46:26,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 238. [2018-11-10 03:46:26,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-10 03:46:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 271 transitions. [2018-11-10 03:46:26,221 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 271 transitions. Word has length 76 [2018-11-10 03:46:26,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:26,221 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 271 transitions. [2018-11-10 03:46:26,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 03:46:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 271 transitions. [2018-11-10 03:46:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 03:46:26,222 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:26,223 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 03:46:26,223 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:26,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:26,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1885502635, now seen corresponding path program 1 times [2018-11-10 03:46:26,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:26,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:26,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:26,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:26,224 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:26,311 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 03:46:26,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:26,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:46:26,311 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:26,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:46:26,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:46:26,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:46:26,312 INFO L87 Difference]: Start difference. First operand 238 states and 271 transitions. Second operand 6 states. [2018-11-10 03:46:26,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:26,451 INFO L93 Difference]: Finished difference Result 573 states and 686 transitions. [2018-11-10 03:46:26,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 03:46:26,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-10 03:46:26,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:26,454 INFO L225 Difference]: With dead ends: 573 [2018-11-10 03:46:26,454 INFO L226 Difference]: Without dead ends: 359 [2018-11-10 03:46:26,455 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 03:46:26,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-10 03:46:26,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 355. [2018-11-10 03:46:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-11-10 03:46:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 410 transitions. [2018-11-10 03:46:26,478 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 410 transitions. Word has length 90 [2018-11-10 03:46:26,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:26,478 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 410 transitions. [2018-11-10 03:46:26,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:46:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 410 transitions. [2018-11-10 03:46:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 03:46:26,480 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:26,480 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:46:26,480 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:26,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:26,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1119225071, now seen corresponding path program 1 times [2018-11-10 03:46:26,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:26,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:26,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:26,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:26,481 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:26,588 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 03:46:26,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:26,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:46:26,588 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:26,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:46:26,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:46:26,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:46:26,589 INFO L87 Difference]: Start difference. First operand 355 states and 410 transitions. Second operand 6 states. [2018-11-10 03:46:26,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:26,755 INFO L93 Difference]: Finished difference Result 778 states and 935 transitions. [2018-11-10 03:46:26,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:46:26,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-10 03:46:26,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:26,758 INFO L225 Difference]: With dead ends: 778 [2018-11-10 03:46:26,758 INFO L226 Difference]: Without dead ends: 564 [2018-11-10 03:46:26,759 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 03:46:26,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-10 03:46:26,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 546. [2018-11-10 03:46:26,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-11-10 03:46:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 646 transitions. [2018-11-10 03:46:26,789 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 646 transitions. Word has length 94 [2018-11-10 03:46:26,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:26,789 INFO L481 AbstractCegarLoop]: Abstraction has 546 states and 646 transitions. [2018-11-10 03:46:26,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:46:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 646 transitions. [2018-11-10 03:46:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 03:46:26,791 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:26,791 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:46:26,792 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:26,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:26,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1240081938, now seen corresponding path program 1 times [2018-11-10 03:46:26,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:26,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:26,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:26,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:26,793 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:26,843 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 03:46:26,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:26,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 03:46:26,843 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:26,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 03:46:26,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 03:46:26,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 03:46:26,844 INFO L87 Difference]: Start difference. First operand 546 states and 646 transitions. Second operand 5 states. [2018-11-10 03:46:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:26,870 INFO L93 Difference]: Finished difference Result 961 states and 1163 transitions. [2018-11-10 03:46:26,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 03:46:26,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-11-10 03:46:26,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:26,873 INFO L225 Difference]: With dead ends: 961 [2018-11-10 03:46:26,874 INFO L226 Difference]: Without dead ends: 556 [2018-11-10 03:46:26,875 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 03:46:26,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-11-10 03:46:26,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 550. [2018-11-10 03:46:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2018-11-10 03:46:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 649 transitions. [2018-11-10 03:46:26,896 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 649 transitions. Word has length 94 [2018-11-10 03:46:26,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:26,897 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 649 transitions. [2018-11-10 03:46:26,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 03:46:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 649 transitions. [2018-11-10 03:46:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 03:46:26,898 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:26,899 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:46:26,899 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:26,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:26,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1899613460, now seen corresponding path program 1 times [2018-11-10 03:46:26,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:26,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:26,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:26,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:26,900 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:26,980 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 03:46:26,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:26,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 03:46:26,980 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:26,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 03:46:26,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 03:46:26,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:46:26,981 INFO L87 Difference]: Start difference. First operand 550 states and 649 transitions. Second operand 9 states. [2018-11-10 03:46:27,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:27,023 INFO L93 Difference]: Finished difference Result 1080 states and 1302 transitions. [2018-11-10 03:46:27,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 03:46:27,024 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-11-10 03:46:27,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:27,026 INFO L225 Difference]: With dead ends: 1080 [2018-11-10 03:46:27,026 INFO L226 Difference]: Without dead ends: 554 [2018-11-10 03:46:27,027 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 03:46:27,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-10 03:46:27,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 548. [2018-11-10 03:46:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2018-11-10 03:46:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 645 transitions. [2018-11-10 03:46:27,048 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 645 transitions. Word has length 94 [2018-11-10 03:46:27,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:27,049 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 645 transitions. [2018-11-10 03:46:27,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 03:46:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 645 transitions. [2018-11-10 03:46:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 03:46:27,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:27,051 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:46:27,051 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:27,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:27,051 INFO L82 PathProgramCache]: Analyzing trace with hash -253357875, now seen corresponding path program 1 times [2018-11-10 03:46:27,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:27,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:27,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:27,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:27,052 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:27,136 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 03:46:27,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:27,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 03:46:27,136 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:27,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 03:46:27,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 03:46:27,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:46:27,137 INFO L87 Difference]: Start difference. First operand 548 states and 645 transitions. Second operand 10 states. [2018-11-10 03:46:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:27,387 INFO L93 Difference]: Finished difference Result 1078 states and 1272 transitions. [2018-11-10 03:46:27,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 03:46:27,388 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2018-11-10 03:46:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:27,390 INFO L225 Difference]: With dead ends: 1078 [2018-11-10 03:46:27,390 INFO L226 Difference]: Without dead ends: 554 [2018-11-10 03:46:27,391 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 03:46:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-10 03:46:27,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 537. [2018-11-10 03:46:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2018-11-10 03:46:27,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 614 transitions. [2018-11-10 03:46:27,408 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 614 transitions. Word has length 95 [2018-11-10 03:46:27,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:27,409 INFO L481 AbstractCegarLoop]: Abstraction has 537 states and 614 transitions. [2018-11-10 03:46:27,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 03:46:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 614 transitions. [2018-11-10 03:46:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 03:46:27,411 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:27,411 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:46:27,411 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:27,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:27,412 INFO L82 PathProgramCache]: Analyzing trace with hash 143099923, now seen corresponding path program 1 times [2018-11-10 03:46:27,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:27,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:27,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:27,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:27,412 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:46:27,455 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:46:27,455 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 03:46:27,456 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-10 03:46:27,457 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [87], [90], [92], [98], [100], [103], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [298], [299], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-11-10 03:46:27,495 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:46:27,495 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:46:39,128 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:46:39,129 INFO L272 AbstractInterpreter]: Visited 66 different actions 98 times. Merged at 5 different actions 5 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 03:46:39,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:39,145 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:46:56,443 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 96.39% of their original sizes. [2018-11-10 03:46:56,443 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:46:57,300 INFO L415 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-11-10 03:46:57,300 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:46:57,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 03:46:57,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [6] total 29 [2018-11-10 03:46:57,300 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:57,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-10 03:46:57,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-10 03:46:57,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2018-11-10 03:46:57,301 INFO L87 Difference]: Start difference. First operand 537 states and 614 transitions. Second operand 25 states. [2018-11-10 03:47:29,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:47:29,285 INFO L93 Difference]: Finished difference Result 1220 states and 1432 transitions. [2018-11-10 03:47:29,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-10 03:47:29,285 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 143 [2018-11-10 03:47:29,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:47:29,287 INFO L225 Difference]: With dead ends: 1220 [2018-11-10 03:47:29,287 INFO L226 Difference]: Without dead ends: 707 [2018-11-10 03:47:29,289 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 116 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=221, Invalid=1111, Unknown=0, NotChecked=0, Total=1332 [2018-11-10 03:47:29,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-11-10 03:47:29,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 686. [2018-11-10 03:47:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2018-11-10 03:47:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 779 transitions. [2018-11-10 03:47:29,322 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 779 transitions. Word has length 143 [2018-11-10 03:47:29,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:47:29,322 INFO L481 AbstractCegarLoop]: Abstraction has 686 states and 779 transitions. [2018-11-10 03:47:29,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-10 03:47:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 779 transitions. [2018-11-10 03:47:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 03:47:29,324 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:47:29,324 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:47:29,325 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:47:29,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:47:29,325 INFO L82 PathProgramCache]: Analyzing trace with hash -79816108, now seen corresponding path program 1 times [2018-11-10 03:47:29,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:47:29,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:29,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:47:29,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:29,326 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:47:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:47:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:47:29,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:47:29,392 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 03:47:29,392 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-10 03:47:29,393 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [141], [143], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-11-10 03:47:29,397 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:47:29,397 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:49:08,812 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:49:08,812 INFO L272 AbstractInterpreter]: Visited 123 different actions 942 times. Merged at 21 different actions 86 times. Never widened. Found 16 fixpoints after 5 different actions. Largest state had 132 variables. [2018-11-10 03:49:08,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:49:08,821 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:49:48,720 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 96.85% of their original sizes. [2018-11-10 03:49:48,720 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:49:51,878 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-10 03:49:51,878 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:49:51,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 03:49:51,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [57] imperfect sequences [7] total 62 [2018-11-10 03:49:51,878 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:49:51,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-11-10 03:49:51,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-11-10 03:49:51,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=2940, Unknown=0, NotChecked=0, Total=3192 [2018-11-10 03:49:51,880 INFO L87 Difference]: Start difference. First operand 686 states and 779 transitions. Second operand 57 states. [2018-11-10 03:51:57,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:51:57,505 INFO L93 Difference]: Finished difference Result 2227 states and 2823 transitions. [2018-11-10 03:51:57,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-11-10 03:51:57,505 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 147 [2018-11-10 03:51:57,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:51:57,511 INFO L225 Difference]: With dead ends: 2227 [2018-11-10 03:51:57,511 INFO L226 Difference]: Without dead ends: 1695 [2018-11-10 03:51:57,516 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 78 SyntacticMatches, 13 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6261 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=1434, Invalid=17472, Unknown=0, NotChecked=0, Total=18906 [2018-11-10 03:51:57,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2018-11-10 03:51:57,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1449. [2018-11-10 03:51:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2018-11-10 03:51:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1660 transitions. [2018-11-10 03:51:57,695 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1660 transitions. Word has length 147 [2018-11-10 03:51:57,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:51:57,695 INFO L481 AbstractCegarLoop]: Abstraction has 1449 states and 1660 transitions. [2018-11-10 03:51:57,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-11-10 03:51:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1660 transitions. [2018-11-10 03:51:57,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 03:51:57,697 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:51:57,698 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:51:57,698 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:51:57,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:51:57,698 INFO L82 PathProgramCache]: Analyzing trace with hash -309361067, now seen corresponding path program 1 times [2018-11-10 03:51:57,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:51:57,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:51:57,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:51:57,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:51:57,699 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:51:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:51:57,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:51:57,787 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 03:51:57,787 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-10 03:51:57,789 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [90], [92], [95], [98], [100], [103], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [141], [143], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-11-10 03:51:57,792 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:51:57,792 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:52:08,363 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:52:08,363 INFO L272 AbstractInterpreter]: Visited 66 different actions 96 times. Merged at 3 different actions 3 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 03:52:08,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:08,369 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:52:24,574 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 96.39% of their original sizes. [2018-11-10 03:52:24,574 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:52:25,307 INFO L415 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-11-10 03:52:25,307 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:52:25,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 03:52:25,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [6] total 29 [2018-11-10 03:52:25,307 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:52:25,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-10 03:52:25,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-10 03:52:25,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2018-11-10 03:52:25,308 INFO L87 Difference]: Start difference. First operand 1449 states and 1660 transitions. Second operand 25 states. [2018-11-10 03:52:57,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:52:57,429 INFO L93 Difference]: Finished difference Result 2537 states and 2940 transitions. [2018-11-10 03:52:57,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-10 03:52:57,429 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 143 [2018-11-10 03:52:57,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:52:57,433 INFO L225 Difference]: With dead ends: 2537 [2018-11-10 03:52:57,433 INFO L226 Difference]: Without dead ends: 1402 [2018-11-10 03:52:57,436 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 117 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=291, Invalid=1689, Unknown=0, NotChecked=0, Total=1980 [2018-11-10 03:52:57,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2018-11-10 03:52:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1376. [2018-11-10 03:52:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2018-11-10 03:52:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1579 transitions. [2018-11-10 03:52:57,620 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1579 transitions. Word has length 143 [2018-11-10 03:52:57,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:52:57,621 INFO L481 AbstractCegarLoop]: Abstraction has 1376 states and 1579 transitions. [2018-11-10 03:52:57,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-10 03:52:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1579 transitions. [2018-11-10 03:52:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 03:52:57,623 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:52:57,623 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:52:57,623 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:52:57,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:57,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1202478414, now seen corresponding path program 1 times [2018-11-10 03:52:57,624 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:52:57,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:52:57,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:52:57,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:52:57,625 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:52:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:52:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 03:52:57,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:52:57,878 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 03:52:57,878 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-10 03:52:57,878 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [100], [103], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [139], [141], [143], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-11-10 03:52:57,881 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:52:57,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:54:12,070 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:54:12,070 INFO L272 AbstractInterpreter]: Visited 107 different actions 884 times. Merged at 20 different actions 92 times. Never widened. Found 14 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-10 03:54:12,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:54:12,077 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:54:38,093 INFO L227 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 96.63% of their original sizes. [2018-11-10 03:54:38,093 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:54:40,064 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-10 03:54:40,064 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:54:40,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 03:54:40,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [47] imperfect sequences [9] total 54 [2018-11-10 03:54:40,065 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:54:40,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-11-10 03:54:40,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-11-10 03:54:40,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1967, Unknown=0, NotChecked=0, Total=2162 [2018-11-10 03:54:40,066 INFO L87 Difference]: Start difference. First operand 1376 states and 1579 transitions. Second operand 47 states. [2018-11-10 03:55:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:55:51,224 INFO L93 Difference]: Finished difference Result 3414 states and 4082 transitions. [2018-11-10 03:55:51,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-10 03:55:51,224 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 151 [2018-11-10 03:55:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:55:51,231 INFO L225 Difference]: With dead ends: 3414 [2018-11-10 03:55:51,231 INFO L226 Difference]: Without dead ends: 2283 [2018-11-10 03:55:51,235 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 98 SyntacticMatches, 7 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2542 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=606, Invalid=7050, Unknown=0, NotChecked=0, Total=7656 [2018-11-10 03:55:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2018-11-10 03:55:51,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1925. [2018-11-10 03:55:51,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1925 states. [2018-11-10 03:55:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2188 transitions. [2018-11-10 03:55:51,513 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2188 transitions. Word has length 151 [2018-11-10 03:55:51,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:55:51,514 INFO L481 AbstractCegarLoop]: Abstraction has 1925 states and 2188 transitions. [2018-11-10 03:55:51,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-11-10 03:55:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2188 transitions. [2018-11-10 03:55:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 03:55:51,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:55:51,516 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:55:51,516 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:55:51,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:55:51,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1527879022, now seen corresponding path program 1 times [2018-11-10 03:55:51,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:55:51,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:55:51,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:55:51,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:55:51,517 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:55:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:55:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:55:51,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:55:51,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:55:51,593 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:55:51,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:55:51,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:55:51,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:55:51,594 INFO L87 Difference]: Start difference. First operand 1925 states and 2188 transitions. Second operand 6 states. [2018-11-10 03:55:51,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:55:51,826 INFO L93 Difference]: Finished difference Result 3577 states and 4102 transitions. [2018-11-10 03:55:51,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:55:51,826 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2018-11-10 03:55:51,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:55:51,832 INFO L225 Difference]: With dead ends: 3577 [2018-11-10 03:55:51,832 INFO L226 Difference]: Without dead ends: 1945 [2018-11-10 03:55:51,836 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 03:55:51,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2018-11-10 03:55:52,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1945. [2018-11-10 03:55:52,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2018-11-10 03:55:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2208 transitions. [2018-11-10 03:55:52,115 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2208 transitions. Word has length 169 [2018-11-10 03:55:52,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:55:52,116 INFO L481 AbstractCegarLoop]: Abstraction has 1945 states and 2208 transitions. [2018-11-10 03:55:52,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:55:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2208 transitions. [2018-11-10 03:55:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 03:55:52,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:55:52,120 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:55:52,120 INFO L424 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:55:52,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:55:52,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1922245808, now seen corresponding path program 1 times [2018-11-10 03:55:52,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:55:52,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:55:52,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:55:52,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:55:52,121 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:55:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:55:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 03:55:52,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:55:52,353 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 03:55:52,353 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-11-10 03:55:52,354 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [51], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [139], [141], [143], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [258], [260], [263], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [284], [285], [286], [288], [289], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [338], [339], [340], [341], [344], [345] [2018-11-10 03:55:52,356 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:55:52,356 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:57:33,258 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 03:57:33,258 INFO L272 AbstractInterpreter]: Visited 141 different actions 1189 times. Merged at 22 different actions 133 times. Never widened. Found 22 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-10 03:57:33,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:57:33,261 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 03:57:33,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:57:33,261 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/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 03:57:33,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:57:33,267 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 03:57:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:57:33,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:57:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:57:33,574 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 03:57:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 03:57:34,055 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 03:57:34,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 24 [2018-11-10 03:57:34,056 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 03:57:34,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-10 03:57:34,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-10 03:57:34,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2018-11-10 03:57:34,057 INFO L87 Difference]: Start difference. First operand 1945 states and 2208 transitions. Second operand 19 states. [2018-11-10 03:57:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:57:35,484 INFO L93 Difference]: Finished difference Result 3794 states and 4491 transitions. [2018-11-10 03:57:35,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-10 03:57:35,484 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 169 [2018-11-10 03:57:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:57:35,485 INFO L225 Difference]: With dead ends: 3794 [2018-11-10 03:57:35,485 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:57:35,493 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 328 SyntacticMatches, 13 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=432, Invalid=1208, Unknown=0, NotChecked=0, Total=1640 [2018-11-10 03:57:35,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:57:35,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:57:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:57:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:57:35,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2018-11-10 03:57:35,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:57:35,495 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:57:35,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-10 03:57:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:57:35,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:57:35,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:57:35,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:35,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:35,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:35,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:36,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:36,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:36,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:36,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:36,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:36,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:37,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,195 WARN L179 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 460 DAG size of output: 403 [2018-11-10 03:57:38,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:38,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:39,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,171 WARN L179 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 426 [2018-11-10 03:57:40,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:40,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,454 WARN L179 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 414 [2018-11-10 03:57:41,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:41,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,727 WARN L179 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 498 DAG size of output: 430 [2018-11-10 03:57:42,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:42,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 03:57:43,504 WARN L179 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 21 [2018-11-10 03:57:43,827 WARN L179 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 1 [2018-11-10 03:57:44,420 WARN L179 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 62 [2018-11-10 03:57:45,254 WARN L179 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 56 [2018-11-10 03:57:45,411 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2018-11-10 03:57:45,940 WARN L179 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 21 [2018-11-10 03:57:46,360 WARN L179 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 21 [2018-11-10 03:57:46,807 WARN L179 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 21 [2018-11-10 03:57:47,524 WARN L179 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 54 [2018-11-10 03:57:48,044 WARN L179 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 21 [2018-11-10 03:57:48,416 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 21 [2018-11-10 03:57:49,814 WARN L179 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 480 DAG size of output: 31 [2018-11-10 03:57:49,965 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2018-11-10 03:57:51,234 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 411 DAG size of output: 23 [2018-11-10 03:57:52,724 WARN L179 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 353 DAG size of output: 109 [2018-11-10 03:57:52,927 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2018-11-10 03:57:53,283 WARN L179 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 15 [2018-11-10 03:57:55,053 WARN L179 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 394 DAG size of output: 92 [2018-11-10 03:57:55,938 WARN L179 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 22 [2018-11-10 03:57:56,460 WARN L179 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 44 [2018-11-10 03:57:57,112 WARN L179 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 51 [2018-11-10 03:57:57,573 WARN L179 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 21 [2018-11-10 03:57:58,823 WARN L179 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 501 DAG size of output: 30 [2018-11-10 03:57:59,491 WARN L179 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 14 [2018-11-10 03:57:59,806 WARN L179 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 24 [2018-11-10 03:57:59,912 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 36 [2018-11-10 03:58:00,108 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2018-11-10 03:58:00,212 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 36 [2018-11-10 03:58:00,527 WARN L179 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 1 [2018-11-10 03:58:00,749 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 19 [2018-11-10 03:58:01,054 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 21 [2018-11-10 03:58:01,552 WARN L179 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 21 [2018-11-10 03:58:02,710 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 381 DAG size of output: 23 [2018-11-10 03:58:03,081 WARN L179 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 1 [2018-11-10 03:58:04,333 WARN L179 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 490 DAG size of output: 31 [2018-11-10 03:58:04,644 WARN L179 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 21 [2018-11-10 03:58:04,824 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2018-11-10 03:58:05,023 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2018-11-10 03:58:06,462 WARN L179 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 509 DAG size of output: 30 [2018-11-10 03:58:06,949 WARN L179 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 53 [2018-11-10 03:58:07,980 WARN L179 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 392 DAG size of output: 61 [2018-11-10 03:58:08,128 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 13 [2018-11-10 03:58:08,343 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-10 03:58:08,344 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-10 03:58:08,344 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-10 03:58:08,344 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-10 03:58:08,344 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-10 03:58:08,344 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) 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 03:58:08,344 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2018-11-10 03:58:08,344 INFO L421 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (< (+ ~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 03:58:08,344 INFO L421 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (< (+ ~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 03:58:08,344 INFO L425 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2018-11-10 03:58:08,344 INFO L425 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2018-11-10 03:58:08,344 INFO L425 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2018-11-10 03:58:08,344 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L421 ceAbstractionStarter]: At program point L972(line 972) 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 03:58:08,345 INFO L421 ceAbstractionStarter]: At program point L971(line 971) 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 03:58:08,345 INFO L421 ceAbstractionStarter]: At program point L971-1(line 971) 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 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2018-11-10 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 382) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2018-11-10 03:58:08,345 INFO L428 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2018-11-10 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-10 03:58:08,345 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) 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 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2018-11-10 03:58:08,345 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2018-11-10 03:58:08,346 INFO L428 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-10 03:58:08,346 INFO L421 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L421 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (and (<= (* 2 processEnvironment_~tmp~3) 0) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3)) (< 2 (* 2 |old(~pumpRunning~0)|)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) .cse1 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 03:58:08,346 INFO L421 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (and (<= 2 (+ processEnvironment_~tmp~3 ~waterLevel~0)) (<= (* 2 processEnvironment_~tmp~3) 2)) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< 2 (* 2 |old(~pumpRunning~0)|)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) .cse1 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L421 ceAbstractionStarter]: At program point L259(line 259) 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 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point L473(lines 473 479) no Hoare annotation was computed. [2018-11-10 03:58:08,346 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2018-11-10 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2018-11-10 03:58:08,347 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 91 154) 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 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L421 ceAbstractionStarter]: At program point L147(lines 100 148) 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 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point L137(lines 137 141) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L421 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .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 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 142) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L421 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .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 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2018-11-10 03:58:08,347 INFO L421 ceAbstractionStarter]: At program point L113(line 113) 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 03:58:08,347 INFO L421 ceAbstractionStarter]: At program point L144(lines 101 146) 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 03:58:08,347 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 101 146) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:58:08,348 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 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2018-11-10 03:58:08,348 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-10 03:58:08,348 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2018-11-10 03:58:08,349 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2018-11-10 03:58:08,349 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2018-11-10 03:58:08,349 INFO L428 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2018-11-10 03:58:08,349 INFO L425 ceAbstractionStarter]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2018-11-10 03:58:08,349 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2018-11-10 03:58:08,349 INFO L425 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-11-10 03:58:08,349 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2018-11-10 03:58:08,349 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2018-11-10 03:58:08,349 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2018-11-10 03:58:08,349 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse10 (+ ~methaneLevelCritical~0 1)) (.cse16 (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|)) (.cse14 (<= ~systemActive~0 ~methaneLevelCritical~0)) (.cse2 (+ ~pumpRunning~0 1)) (.cse1 (+ |old(~methaneLevelCritical~0)| 1)) (.cse22 (* 2 ~pumpRunning~0))) (let ((.cse6 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse8 (< 2 .cse22)) (.cse9 (< ~pumpRunning~0 .cse1)) (.cse0 (and .cse14 (<= ~methaneLevelCritical~0 .cse2))) (.cse15 (<= ~methaneLevelCritical~0 ~systemActive~0)) (.cse7 (< .cse16 2)) (.cse4 (< (* 2 ~systemActive~0) 2)) (.cse17 (< ~pumpRunning~0 |old(~methaneLevelCritical~0)|)) (.cse18 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse3 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse5 (< ~waterLevel~0 ~systemActive~0)) (.cse20 (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|)) (.cse12 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse21 (not (= ~waterLevel~0 1))) (.cse13 (< 0 .cse22)) (.cse11 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse19 (<= .cse10 ~waterLevel~0))) (and (or .cse0 (< ~waterLevel~0 (+ ~pumpRunning~0 2)) (< .cse1 ~waterLevel~0) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 |old(~methaneLevelCritical~0)|) (< .cse2 ~systemActive~0) .cse3) (or (or (< 2 (* 2 |old(~methaneLevelCritical~0)|)) .cse4 (not (= 1 ~pumpRunning~0)) .cse3 .cse5 .cse6) (<= 1 (+ ~methaneLevelCritical~0 ~waterLevel~0))) (or (or .cse7 .cse8 .cse3 .cse6 .cse9) (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)))) (or (and (<= .cse10 ~systemActive~0) .cse11) (or (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse3 .cse12 .cse6 .cse13)) (or (and .cse14 .cse15) (< .cse16 3) .cse4 .cse17 .cse18 .cse6) (or .cse8 .cse3 .cse5 (< ~pumpRunning~0 ~waterLevel~0) .cse9 .cse19) (or .cse0 (< 2 .cse16) .cse4 .cse5 (< .cse20 1) .cse13) (or (and .cse15 (<= ~waterLevel~0 ~methaneLevelCritical~0)) (or .cse7 .cse4 .cse17 .cse21 .cse18)) (or (or .cse3 .cse5 (< .cse20 0) .cse12 .cse21 .cse13) (and .cse11 .cse19))))) [2018-11-10 03:58:08,350 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-11-10 03:58:08,350 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-11-10 03:58:08,350 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (= ~systemActive~0 1))) (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not .cse9)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse7 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8 (= ~pumpRunning~0 1) .cse9 .cse3))) (and (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 3) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) .cse1) (<= ~systemActive~0 ~waterLevel~0)) (or (and .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) .cse4 .cse5) (or (or (< 2 (* 2 ~methaneLevelCritical~0)) .cse0 .cse6 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< |old(~waterLevel~0)| ~systemActive~0) .cse1) .cse7) (or (and .cse8 .cse2 .cse3) (or .cse6 .cse5) .cse4 .cse7)))) [2018-11-10 03:58:08,350 INFO L421 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse19 (* 2 |old(~pumpRunning~0)|)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse17 (= ~pumpRunning~0 1)) (.cse21 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse22 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse20 (= ~systemActive~0 1))) (let ((.cse3 (and .cse22 (not (= |old(~pumpRunning~0)| 0)) .cse5 .cse6 .cse20)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse22 .cse6 .cse17 .cse20 .cse21)) (.cse9 (< (* 2 ~systemActive~0) 2)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (and .cse6 .cse7 .cse21)) (.cse2 (not .cse20)) (.cse11 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse15 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse16 (< 0 .cse19)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse10 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse12 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4 (and .cse5 .cse6 .cse7) .cse8) (or .cse3 (or (< 2 (* 2 ~methaneLevelCritical~0)) .cse9 .cse1 .cse10 .cse11 .cse12) .cse8) (or .cse13 (< 2 .cse14) .cse9 .cse11 (< .cse15 1) .cse16) (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) .cse13) (or (< .cse14 3) .cse9 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) .cse12)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse17 .cse7) .cse4 .cse0 .cse2) (or (or .cse10 .cse11 (< .cse15 0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse16) .cse13) (let ((.cse18 (+ ~methaneLevelCritical~0 1))) (or (< .cse14 2) (<= .cse18 ~waterLevel~0) (< 2 .cse19) .cse10 .cse12 (< |old(~pumpRunning~0)| .cse18)))))) [2018-11-10 03:58:08,350 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) 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 (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) .cse1 .cse2) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-10 03:58:08,350 INFO L421 ceAbstractionStarter]: At program point L175(line 175) 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 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0))) [2018-11-10 03:58:08,350 INFO L425 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2018-11-10 03:58:08,350 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2018-11-10 03:58:08,350 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2018-11-10 03:58:08,350 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-11-10 03:58:08,350 INFO L428 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-11-10 03:58:08,350 INFO L425 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-10 03:58:08,350 INFO L425 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-11-10 03:58:08,351 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-11-10 03:58:08,351 INFO L425 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-11-10 03:58:08,351 INFO L428 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-11-10 03:58:08,351 INFO L425 ceAbstractionStarter]: For program point L904-1(lines 904 918) no Hoare annotation was computed. [2018-11-10 03:58:08,351 INFO L428 ceAbstractionStarter]: At program point L904-3(lines 904 918) the Hoare annotation is: true [2018-11-10 03:58:08,351 INFO L428 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-11-10 03:58:08,351 INFO L425 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-10 03:58:08,351 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2018-11-10 03:58:08,351 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2018-11-10 03:58:08,351 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2018-11-10 03:58:08,351 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2018-11-10 03:58:08,351 INFO L421 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (and (<= (+ ~pumpRunning~0 __utac_acc__Specification3_spec__1_~tmp___0~3) 3) (<= 4 (* 2 __utac_acc__Specification3_spec__1_~tmp___0~3)))) (or .cse2 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse2 .cse0 .cse1) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 3) (< (* 2 ~systemActive~0) 2) (< ~pumpRunning~0 ~methaneLevelCritical~0) .cse3 .cse4) (or (and (<= __utac_acc__Specification3_spec__1_~tmp~6 ~methaneLevelCritical~0) (<= 0 (* 2 __utac_acc__Specification3_spec__1_~tmp~6))) (< 2 (* 2 ~pumpRunning~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse3 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1) .cse4 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))))) [2018-11-10 03:58:08,351 INFO L425 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-11-10 03:58:08,351 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2018-11-10 03:58:08,352 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2018-11-10 03:58:08,352 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2018-11-10 03:58:08,352 INFO L421 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (let ((.cse1 (< ~pumpRunning~0 ~methaneLevelCritical~0)) (.cse2 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (.cse0 (< (* 2 ~systemActive~0) 2)) (.cse3 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1))) (and (or (< (+ ~pumpRunning~0 ~waterLevel~0) 3) (and (<= __utac_acc__Specification3_spec__1_~tmp~6 ~methaneLevelCritical~0) (<= 0 (* 2 __utac_acc__Specification3_spec__1_~tmp~6))) .cse0 .cse1 .cse2 .cse3 .cse4) (or (< .cse5 3) .cse0 .cse1 .cse2 .cse4) (or (< 2 .cse5) .cse0 (< ~waterLevel~0 ~systemActive~0) .cse3 (< 0 (* 2 ~pumpRunning~0))))) [2018-11-10 03:58:08,352 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2018-11-10 03:58:08,352 INFO L425 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2018-11-10 03:58:08,352 INFO L425 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2018-11-10 03:58:08,352 INFO L428 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-11-10 03:58:08,352 INFO L425 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-10 03:58:08,352 INFO L421 ceAbstractionStarter]: At program point L516(line 516) 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 03:58:08,352 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 03:58:08,353 INFO L425 ceAbstractionStarter]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2018-11-10 03:58:08,353 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2018-11-10 03:58:08,353 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:58:08,353 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 03:58:08,353 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:58:08,353 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:58:08,353 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-10 03:58:08,353 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-11-10 03:58:08,353 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1))) [2018-11-10 03:58:08,353 INFO L421 ceAbstractionStarter]: At program point L220(line 220) 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) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 03:58:08,353 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2018-11-10 03:58:08,353 INFO L425 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2018-11-10 03:58:08,354 INFO L421 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse1 (+ processEnvironment__wrappee__highWaterSensor_~tmp~1 1))) (let ((.cse5 (not (= ~systemActive~0 1))) (.cse0 (<= ~systemActive~0 .cse1)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (and .cse0 (<= .cse1 ~systemActive~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse2 (< .cse3 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse4) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse5) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse5) (or (and .cse0 (<= (+ ~methaneLevelCritical~0 processEnvironment__wrappee__highWaterSensor_~tmp~1) 1)) (< 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (* 2 ~systemActive~0) 2) .cse2 (< .cse3 1) .cse4)))) [2018-11-10 03:58:08,354 INFO L421 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse1 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse2 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (* 2 ~systemActive~0) 2) .cse0 (< .cse1 1) .cse2) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse3) (< 2 ~waterLevel~0) .cse4 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse3))) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse4) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse1 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse2))) [2018-11-10 03:58:08,354 INFO L425 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2018-11-10 03:58:08,354 INFO L421 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-10 03:58:08,354 INFO L425 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-11-10 03:58:08,354 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2018-11-10 03:58:08,354 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2018-11-10 03:58:08,354 INFO L425 ceAbstractionStarter]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2018-11-10 03:58:08,355 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (or (not (= 1 ~pumpRunning~0)) .cse1) (< 2 |old(~waterLevel~0)|) .cse0))) [2018-11-10 03:58:08,355 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-10 03:58:08,355 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-10 03:58:08,355 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-10 03:58:08,355 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-10 03:58:08,355 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2018-11-10 03:58:08,355 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1))) [2018-11-10 03:58:08,355 INFO L421 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-10 03:58:08,355 INFO L425 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2018-11-10 03:58:08,355 INFO L421 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (and (= 0 processEnvironment__wrappee__lowWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-10 03:58:08,356 INFO L421 ceAbstractionStarter]: At program point L237(line 237) 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) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 03:58:08,356 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2018-11-10 03:58:08,356 INFO L421 ceAbstractionStarter]: At program point L233(line 233) 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) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 03:58:08,356 INFO L425 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-10 03:58:08,356 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2018-11-10 03:58:08,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:58:08 BoogieIcfgContainer [2018-11-10 03:58:08,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:58:08,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:58:08,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:58:08,367 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:58:08,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:24" (3/4) ... [2018-11-10 03:58:08,374 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:58:08,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 03:58:08,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-10 03:58:08,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 03:58:08,381 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 03:58:08,381 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 03:58:08,381 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:58:08,381 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 03:58:08,381 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 03:58:08,390 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-11-10 03:58:08,391 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 03:58:08,391 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 03:58:08,416 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 03:58:08,416 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 03:58:08,459 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8bfc2ca7-0751-4971-8cc7-26c6636b667d/bin-2019/utaipan/witness.graphml [2018-11-10 03:58:08,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:58:08,460 INFO L168 Benchmark]: Toolchain (without parser) took 704864.68 ms. Allocated memory was 1.0 GB in the beginning and 5.5 GB in the end (delta: 4.5 GB). Free memory was 956.5 MB in the beginning and 1.0 GB in the end (delta: -80.8 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-10 03:58:08,460 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:58:08,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.93 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 929.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:08,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -217.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:08,461 INFO L168 Benchmark]: Boogie Preprocessor took 30.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:58:08,461 INFO L168 Benchmark]: RCFGBuilder took 700.79 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: 93.9 MB). Peak memory consumption was 93.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:08,461 INFO L168 Benchmark]: TraceAbstraction took 703569.32 ms. Allocated memory was 1.2 GB in the beginning and 5.5 GB in the end (delta: 4.4 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.2 MB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. [2018-11-10 03:58:08,461 INFO L168 Benchmark]: Witness Printer took 91.93 ms. Allocated memory is still 5.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:08,463 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.93 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 929.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -217.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 700.79 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: 93.9 MB). Peak memory consumption was 93.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 703569.32 ms. Allocated memory was 1.2 GB in the beginning and 5.5 GB in the end (delta: 4.4 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.2 MB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. * Witness Printer took 91.93 ms. Allocated memory is still 5.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: 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: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 164 locations, 1 error locations. SAFE Result, 703.5s OverallTime, 15 OverallIterations, 3 TraceHistogramMax, 263.9s AutomataDifference, 0.0s DeadEndRemovalTime, 32.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 3198 SDtfs, 5146 SDslu, 23399 SDs, 0 SdLazy, 20284 SolverSat, 2158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 185.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1208 GetRequests, 773 SyntacticMatches, 40 SemanticMatches, 395 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10154 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1945occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 296.8s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9940110647754608 AbsIntWeakeningRatio, 0.896551724137931 AbsIntAvgWeakeningVarsNumRemoved, 3962.294827586207 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 721 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4686 PreInvPairs, 5008 NumberOfFragments, 2649 HoareAnnotationTreeSize, 4686 FomulaSimplifications, 476342 FormulaSimplificationTreeSizeReduction, 7.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 868464 FormulaSimplificationTreeSizeReductionInter, 25.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1798 NumberOfCodeBlocks, 1798 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1950 ConstructedInterpolants, 0 QuantifiedInterpolants, 409117 SizeOfPredicates, 7 NumberOfNonLiveVariables, 818 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 251/284 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...