./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/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 cfed73d0949579dcb398cd2d92995791596ce6cd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:07:12,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:07:12,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:07:12,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:07:12,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:07:12,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:07:12,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:07:12,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:07:12,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:07:12,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:07:12,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:07:12,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:07:12,267 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:07:12,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:07:12,268 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:07:12,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:07:12,269 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:07:12,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:07:12,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:07:12,271 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:07:12,272 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:07:12,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:07:12,274 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:07:12,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:07:12,274 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:07:12,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:07:12,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:07:12,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:07:12,275 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:07:12,276 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:07:12,276 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:07:12,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:07:12,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:07:12,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:07:12,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:07:12,277 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:07:12,277 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:07:12,285 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:07:12,285 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:07:12,285 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:07:12,285 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:07:12,285 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:07:12,285 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:07:12,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:07:12,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:07:12,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:07:12,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:07:12,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:07:12,288 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:07:12,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:07:12,288 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:07:12,288 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:07:12,288 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:07:12,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:07:12,288 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:07:12,288 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_8352bd87-f910-4f50-b785-341c8970c2b8/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 -> cfed73d0949579dcb398cd2d92995791596ce6cd [2018-12-01 22:07:12,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:07:12,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:07:12,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:07:12,314 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:07:12,314 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:07:12,315 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-01 22:07:12,353 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/data/5bad813d2/bbacb702e2be4901ac0c26aede8c0abb/FLAG3e659722a [2018-12-01 22:07:12,758 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:07:12,759 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-01 22:07:12,764 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/data/5bad813d2/bbacb702e2be4901ac0c26aede8c0abb/FLAG3e659722a [2018-12-01 22:07:12,773 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/data/5bad813d2/bbacb702e2be4901ac0c26aede8c0abb [2018-12-01 22:07:12,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:07:12,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:07:12,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:07:12,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:07:12,778 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:07:12,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:07:12" (1/1) ... [2018-12-01 22:07:12,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310fc71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:12, skipping insertion in model container [2018-12-01 22:07:12,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:07:12" (1/1) ... [2018-12-01 22:07:12,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:07:12,805 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:07:12,951 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:07:12,993 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:07:13,034 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:07:13,049 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:07:13,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13 WrapperNode [2018-12-01 22:07:13,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:07:13,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:07:13,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:07:13,050 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:07:13,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:07:13,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:07:13,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:07:13,072 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:07:13,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... [2018-12-01 22:07:13,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:07:13,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:07:13,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:07:13,094 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:07:13,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/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 [2018-12-01 22:07:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 22:07:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 22:07:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:07:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:07:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:07:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 22:07:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 22:07:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 22:07:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 22:07:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 22:07:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 22:07:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 22:07:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 22:07:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 22:07:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 22:07:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 22:07:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 22:07:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 22:07:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 22:07:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 22:07:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 22:07:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 22:07:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 22:07:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 22:07:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 22:07:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 22:07:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 22:07:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 22:07:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 22:07:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 22:07:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 22:07:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 22:07:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 22:07:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 22:07:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 22:07:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 22:07:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 22:07:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 22:07:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 22:07:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 22:07:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 22:07:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 22:07:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 22:07:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 22:07:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 22:07:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 22:07:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 22:07:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-01 22:07:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-01 22:07:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 22:07:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:07:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:07:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 22:07:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 22:07:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-01 22:07:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-01 22:07:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 22:07:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 22:07:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:07:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:07:13,465 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:07:13,465 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 22:07:13,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:07:13 BoogieIcfgContainer [2018-12-01 22:07:13,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:07:13,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:07:13,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:07:13,468 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:07:13,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:07:12" (1/3) ... [2018-12-01 22:07:13,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9fd02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:07:13, skipping insertion in model container [2018-12-01 22:07:13,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:13" (2/3) ... [2018-12-01 22:07:13,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9fd02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:07:13, skipping insertion in model container [2018-12-01 22:07:13,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:07:13" (3/3) ... [2018-12-01 22:07:13,471 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-01 22:07:13,479 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:07:13,485 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:07:13,498 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:07:13,523 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:07:13,523 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:07:13,523 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:07:13,523 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:07:13,523 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:07:13,523 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:07:13,523 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:07:13,523 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:07:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-01 22:07:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:07:13,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:13,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:13,545 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:13,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:13,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1275178253, now seen corresponding path program 1 times [2018-12-01 22:07:13,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:13,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:13,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:13,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:13,581 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:07:13,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:13,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 22:07:13,709 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:13,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 22:07:13,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 22:07:13,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:07:13,721 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-01 22:07:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:13,745 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-12-01 22:07:13,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 22:07:13,745 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-01 22:07:13,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:13,753 INFO L225 Difference]: With dead ends: 280 [2018-12-01 22:07:13,753 INFO L226 Difference]: Without dead ends: 140 [2018-12-01 22:07:13,755 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:07:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-01 22:07:13,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-01 22:07:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-01 22:07:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-12-01 22:07:13,787 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 52 [2018-12-01 22:07:13,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:13,788 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-12-01 22:07:13,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 22:07:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-12-01 22:07:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 22:07:13,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:13,790 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:13,790 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:13,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:13,790 INFO L82 PathProgramCache]: Analyzing trace with hash 511140134, now seen corresponding path program 1 times [2018-12-01 22:07:13,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:13,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:13,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:13,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:13,791 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:13,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:07:13,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:13,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:07:13,837 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:13,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:07:13,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:07:13,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:07:13,839 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-12-01 22:07:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:13,851 INFO L93 Difference]: Finished difference Result 225 states and 265 transitions. [2018-12-01 22:07:13,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:07:13,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-01 22:07:13,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:13,853 INFO L225 Difference]: With dead ends: 225 [2018-12-01 22:07:13,853 INFO L226 Difference]: Without dead ends: 131 [2018-12-01 22:07:13,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:07:13,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-01 22:07:13,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-01 22:07:13,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-01 22:07:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2018-12-01 22:07:13,861 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2018-12-01 22:07:13,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:13,861 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2018-12-01 22:07:13,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:07:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-12-01 22:07:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 22:07:13,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:13,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:13,863 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:13,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:13,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1181363005, now seen corresponding path program 1 times [2018-12-01 22:07:13,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:13,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:13,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:13,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:13,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:07:13,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:13,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:07:13,939 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:13,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:07:13,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:07:13,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:07:13,940 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2018-12-01 22:07:14,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:14,109 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2018-12-01 22:07:14,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:07:14,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-01 22:07:14,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:14,111 INFO L225 Difference]: With dead ends: 238 [2018-12-01 22:07:14,112 INFO L226 Difference]: Without dead ends: 131 [2018-12-01 22:07:14,112 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:07:14,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-01 22:07:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-01 22:07:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-01 22:07:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-12-01 22:07:14,122 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 58 [2018-12-01 22:07:14,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:14,123 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-12-01 22:07:14,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:07:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-12-01 22:07:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 22:07:14,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:14,124 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:14,124 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:14,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:14,125 INFO L82 PathProgramCache]: Analyzing trace with hash -934730876, now seen corresponding path program 1 times [2018-12-01 22:07:14,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:14,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:14,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:14,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:14,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:07:14,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:14,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:07:14,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:14,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:07:14,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:07:14,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:07:14,207 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 5 states. [2018-12-01 22:07:14,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:14,511 INFO L93 Difference]: Finished difference Result 356 states and 428 transitions. [2018-12-01 22:07:14,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:07:14,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-01 22:07:14,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:14,513 INFO L225 Difference]: With dead ends: 356 [2018-12-01 22:07:14,514 INFO L226 Difference]: Without dead ends: 249 [2018-12-01 22:07:14,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:07:14,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-12-01 22:07:14,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 230. [2018-12-01 22:07:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-12-01 22:07:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 262 transitions. [2018-12-01 22:07:14,534 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 262 transitions. Word has length 71 [2018-12-01 22:07:14,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:14,535 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 262 transitions. [2018-12-01 22:07:14,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:07:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 262 transitions. [2018-12-01 22:07:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 22:07:14,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:14,537 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:14,537 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:14,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:14,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1197479596, now seen corresponding path program 1 times [2018-12-01 22:07:14,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:14,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:14,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:14,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:14,539 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:07:14,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:14,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:07:14,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:14,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:07:14,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:07:14,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:07:14,600 INFO L87 Difference]: Start difference. First operand 230 states and 262 transitions. Second operand 6 states. [2018-12-01 22:07:14,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:14,695 INFO L93 Difference]: Finished difference Result 570 states and 681 transitions. [2018-12-01 22:07:14,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:07:14,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-01 22:07:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:14,698 INFO L225 Difference]: With dead ends: 570 [2018-12-01 22:07:14,698 INFO L226 Difference]: Without dead ends: 364 [2018-12-01 22:07:14,699 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:07:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-01 22:07:14,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-12-01 22:07:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-12-01 22:07:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 416 transitions. [2018-12-01 22:07:14,717 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 416 transitions. Word has length 85 [2018-12-01 22:07:14,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:14,717 INFO L480 AbstractCegarLoop]: Abstraction has 360 states and 416 transitions. [2018-12-01 22:07:14,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:07:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 416 transitions. [2018-12-01 22:07:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 22:07:14,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:14,719 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:14,719 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:14,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:14,719 INFO L82 PathProgramCache]: Analyzing trace with hash -447752270, now seen corresponding path program 1 times [2018-12-01 22:07:14,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:14,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:14,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:14,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:14,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:07:14,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:14,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:07:14,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:14,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:07:14,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:07:14,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:07:14,797 INFO L87 Difference]: Start difference. First operand 360 states and 416 transitions. Second operand 6 states. [2018-12-01 22:07:14,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:14,922 INFO L93 Difference]: Finished difference Result 767 states and 921 transitions. [2018-12-01 22:07:14,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:07:14,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-01 22:07:14,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:14,926 INFO L225 Difference]: With dead ends: 767 [2018-12-01 22:07:14,926 INFO L226 Difference]: Without dead ends: 561 [2018-12-01 22:07:14,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:07:14,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-12-01 22:07:14,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 543. [2018-12-01 22:07:14,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-12-01 22:07:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 641 transitions. [2018-12-01 22:07:14,954 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 641 transitions. Word has length 89 [2018-12-01 22:07:14,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:14,955 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 641 transitions. [2018-12-01 22:07:14,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:07:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 641 transitions. [2018-12-01 22:07:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 22:07:14,956 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:14,957 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:14,957 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:14,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:14,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1370435853, now seen corresponding path program 1 times [2018-12-01 22:07:14,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:14,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:14,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:14,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:14,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:07:14,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:14,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:07:14,999 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:15,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:07:15,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:07:15,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:07:15,000 INFO L87 Difference]: Start difference. First operand 543 states and 641 transitions. Second operand 5 states. [2018-12-01 22:07:15,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:15,037 INFO L93 Difference]: Finished difference Result 942 states and 1134 transitions. [2018-12-01 22:07:15,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:07:15,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-01 22:07:15,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:15,039 INFO L225 Difference]: With dead ends: 942 [2018-12-01 22:07:15,039 INFO L226 Difference]: Without dead ends: 553 [2018-12-01 22:07:15,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:07:15,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-12-01 22:07:15,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-12-01 22:07:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-12-01 22:07:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 644 transitions. [2018-12-01 22:07:15,058 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 644 transitions. Word has length 89 [2018-12-01 22:07:15,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:15,058 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 644 transitions. [2018-12-01 22:07:15,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:07:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 644 transitions. [2018-12-01 22:07:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 22:07:15,059 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:15,060 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:15,060 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:15,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:15,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2080525941, now seen corresponding path program 1 times [2018-12-01 22:07:15,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:15,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:15,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:15,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:15,061 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:07:15,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:15,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:07:15,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:15,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:07:15,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:07:15,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:07:15,124 INFO L87 Difference]: Start difference. First operand 547 states and 644 transitions. Second operand 9 states. [2018-12-01 22:07:15,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:15,166 INFO L93 Difference]: Finished difference Result 1087 states and 1306 transitions. [2018-12-01 22:07:15,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:07:15,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-01 22:07:15,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:15,168 INFO L225 Difference]: With dead ends: 1087 [2018-12-01 22:07:15,168 INFO L226 Difference]: Without dead ends: 564 [2018-12-01 22:07:15,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:07:15,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-01 22:07:15,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2018-12-01 22:07:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-01 22:07:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 651 transitions. [2018-12-01 22:07:15,186 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 651 transitions. Word has length 89 [2018-12-01 22:07:15,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:15,186 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 651 transitions. [2018-12-01 22:07:15,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:07:15,186 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 651 transitions. [2018-12-01 22:07:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 22:07:15,187 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:15,188 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-01 22:07:15,188 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:15,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:15,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1634582220, now seen corresponding path program 1 times [2018-12-01 22:07:15,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:15,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:15,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:15,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:15,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:07:15,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:07:15,254 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:07:15,255 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-12-01 22:07:15,256 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [71], [72], [74], [83], [87], [91], [94], [99], [105], [107], [113], [116], [128], [129], [130], [132], [135], [140], [141], [143], [148], [150], [151], [152], [153], [166], [170], [203], [204], [205], [207], [212], [214], [217], [219], [224], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [274], [275], [282], [283], [284], [285], [290], [294], [295], [298], [299], [302], [303], [304], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-01 22:07:15,289 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:07:15,289 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:07:15,538 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:07:15,539 INFO L272 AbstractInterpreter]: Visited 73 different actions 73 times. Never merged. Never widened. Performed 2473 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2473 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-01 22:07:15,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:15,544 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:07:15,709 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.67% of their original sizes. [2018-12-01 22:07:15,709 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:07:15,821 INFO L418 sIntCurrentIteration]: We unified 100 AI predicates to 100 [2018-12-01 22:07:15,821 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:07:15,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:07:15,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [9] total 25 [2018-12-01 22:07:15,821 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:15,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-01 22:07:15,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-01 22:07:15,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:07:15,822 INFO L87 Difference]: Start difference. First operand 554 states and 651 transitions. Second operand 18 states. [2018-12-01 22:07:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:17,704 INFO L93 Difference]: Finished difference Result 1219 states and 1456 transitions. [2018-12-01 22:07:17,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 22:07:17,704 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 101 [2018-12-01 22:07:17,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:17,707 INFO L225 Difference]: With dead ends: 1219 [2018-12-01 22:07:17,707 INFO L226 Difference]: Without dead ends: 689 [2018-12-01 22:07:17,709 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2018-12-01 22:07:17,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-12-01 22:07:17,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 685. [2018-12-01 22:07:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2018-12-01 22:07:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 804 transitions. [2018-12-01 22:07:17,739 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 804 transitions. Word has length 101 [2018-12-01 22:07:17,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:17,739 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 804 transitions. [2018-12-01 22:07:17,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-01 22:07:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 804 transitions. [2018-12-01 22:07:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 22:07:17,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:17,742 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-01 22:07:17,742 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:17,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash 302274552, now seen corresponding path program 1 times [2018-12-01 22:07:17,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:17,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:17,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:17,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:17,743 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:07:17,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:17,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 22:07:17,821 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:17,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:07:17,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:07:17,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:07:17,822 INFO L87 Difference]: Start difference. First operand 685 states and 804 transitions. Second operand 10 states. [2018-12-01 22:07:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:17,937 INFO L93 Difference]: Finished difference Result 1694 states and 2052 transitions. [2018-12-01 22:07:17,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 22:07:17,937 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-01 22:07:17,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:17,941 INFO L225 Difference]: With dead ends: 1694 [2018-12-01 22:07:17,941 INFO L226 Difference]: Without dead ends: 1164 [2018-12-01 22:07:17,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-01 22:07:17,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2018-12-01 22:07:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1146. [2018-12-01 22:07:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2018-12-01 22:07:17,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1349 transitions. [2018-12-01 22:07:17,975 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1349 transitions. Word has length 105 [2018-12-01 22:07:17,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:17,975 INFO L480 AbstractCegarLoop]: Abstraction has 1146 states and 1349 transitions. [2018-12-01 22:07:17,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:07:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1349 transitions. [2018-12-01 22:07:17,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 22:07:17,977 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:17,977 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-01 22:07:17,977 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:17,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:17,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1308230506, now seen corresponding path program 1 times [2018-12-01 22:07:17,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:17,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:17,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:17,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:17,979 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:07:18,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:07:18,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 22:07:18,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:18,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:07:18,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:07:18,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:07:18,071 INFO L87 Difference]: Start difference. First operand 1146 states and 1349 transitions. Second operand 10 states. [2018-12-01 22:07:18,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:18,222 INFO L93 Difference]: Finished difference Result 2143 states and 2528 transitions. [2018-12-01 22:07:18,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 22:07:18,223 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-01 22:07:18,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:18,227 INFO L225 Difference]: With dead ends: 2143 [2018-12-01 22:07:18,227 INFO L226 Difference]: Without dead ends: 1152 [2018-12-01 22:07:18,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-01 22:07:18,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2018-12-01 22:07:18,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1116. [2018-12-01 22:07:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-12-01 22:07:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1279 transitions. [2018-12-01 22:07:18,271 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1279 transitions. Word has length 105 [2018-12-01 22:07:18,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:18,271 INFO L480 AbstractCegarLoop]: Abstraction has 1116 states and 1279 transitions. [2018-12-01 22:07:18,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:07:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1279 transitions. [2018-12-01 22:07:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 22:07:18,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:18,275 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:18,275 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:18,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:18,275 INFO L82 PathProgramCache]: Analyzing trace with hash 599699574, now seen corresponding path program 1 times [2018-12-01 22:07:18,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:18,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:18,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:18,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:18,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 22:07:18,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:07:18,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:07:18,325 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-12-01 22:07:18,325 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [70], [72], [74], [83], [87], [91], [97], [99], [105], [107], [113], [116], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [146], [150], [151], [152], [153], [163], [166], [170], [176], [203], [204], [205], [207], [210], [212], [214], [217], [219], [224], [230], [233], [237], [238], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [274], [275], [276], [277], [278], [279], [282], [283], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-01 22:07:18,327 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:07:18,327 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:07:18,401 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:07:18,401 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Performed 1955 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1955 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-01 22:07:18,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:18,403 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:07:18,493 INFO L227 lantSequenceWeakener]: Weakened 69 states. On average, predicates are now at 96.44% of their original sizes. [2018-12-01 22:07:18,493 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:07:18,575 INFO L418 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-12-01 22:07:18,575 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:07:18,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:07:18,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-01 22:07:18,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:18,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 22:07:18,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 22:07:18,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-12-01 22:07:18,576 INFO L87 Difference]: Start difference. First operand 1116 states and 1279 transitions. Second operand 13 states. [2018-12-01 22:07:19,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:19,404 INFO L93 Difference]: Finished difference Result 2191 states and 2518 transitions. [2018-12-01 22:07:19,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 22:07:19,404 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-12-01 22:07:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:19,407 INFO L225 Difference]: With dead ends: 2191 [2018-12-01 22:07:19,407 INFO L226 Difference]: Without dead ends: 1099 [2018-12-01 22:07:19,409 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2018-12-01 22:07:19,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2018-12-01 22:07:19,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1099. [2018-12-01 22:07:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1099 states. [2018-12-01 22:07:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1254 transitions. [2018-12-01 22:07:19,435 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1254 transitions. Word has length 149 [2018-12-01 22:07:19,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:19,435 INFO L480 AbstractCegarLoop]: Abstraction has 1099 states and 1254 transitions. [2018-12-01 22:07:19,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 22:07:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1254 transitions. [2018-12-01 22:07:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 22:07:19,437 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:19,438 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:07:19,438 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:19,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:19,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1382237250, now seen corresponding path program 1 times [2018-12-01 22:07:19,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:19,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:19,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:19,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:19,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 22:07:19,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:07:19,508 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:07:19,508 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-01 22:07:19,508 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [29], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [70], [71], [72], [73], [74], [83], [87], [91], [94], [97], [99], [102], [107], [113], [116], [128], [129], [130], [132], [135], [140], [141], [143], [146], [148], [150], [151], [152], [153], [156], [158], [160], [166], [170], [176], [203], [204], [205], [207], [210], [212], [214], [217], [219], [224], [230], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [268], [269], [272], [274], [275], [282], [283], [284], [285], [286], [287], [290], [291], [294], [295], [298], [299], [302], [303], [304], [305], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-01 22:07:19,511 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:07:19,511 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:07:20,692 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:07:20,692 INFO L272 AbstractInterpreter]: Visited 116 different actions 678 times. Merged at 34 different actions 161 times. Never widened. Performed 32439 root evaluator evaluations with a maximum evaluation depth of 3. Performed 32439 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 21 fixpoints after 7 different actions. Largest state had 133 variables. [2018-12-01 22:07:20,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:20,695 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:07:20,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:07:20,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/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 [2018-12-01 22:07:20,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:20,702 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:07:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:20,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:07:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:07:20,858 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:07:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 22:07:21,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-01 22:07:21,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-01 22:07:21,156 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:21,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 22:07:21,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 22:07:21,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-01 22:07:21,157 INFO L87 Difference]: Start difference. First operand 1099 states and 1254 transitions. Second operand 8 states. [2018-12-01 22:07:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:21,337 INFO L93 Difference]: Finished difference Result 2047 states and 2357 transitions. [2018-12-01 22:07:21,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:07:21,338 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-12-01 22:07:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:21,342 INFO L225 Difference]: With dead ends: 2047 [2018-12-01 22:07:21,342 INFO L226 Difference]: Without dead ends: 1086 [2018-12-01 22:07:21,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 305 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-01 22:07:21,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2018-12-01 22:07:21,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1080. [2018-12-01 22:07:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2018-12-01 22:07:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1219 transitions. [2018-12-01 22:07:21,381 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1219 transitions. Word has length 160 [2018-12-01 22:07:21,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:21,381 INFO L480 AbstractCegarLoop]: Abstraction has 1080 states and 1219 transitions. [2018-12-01 22:07:21,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 22:07:21,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1219 transitions. [2018-12-01 22:07:21,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 22:07:21,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:21,384 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:07:21,384 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:21,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:21,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1567783436, now seen corresponding path program 1 times [2018-12-01 22:07:21,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:21,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:21,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:21,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:21,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 22:07:21,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:07:21,438 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:07:21,438 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-01 22:07:21,438 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [70], [72], [74], [83], [87], [91], [97], [99], [102], [107], [113], [116], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [146], [150], [151], [152], [153], [156], [158], [160], [163], [166], [170], [176], [203], [204], [205], [207], [210], [212], [214], [217], [219], [224], [230], [233], [237], [238], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-01 22:07:21,441 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:07:21,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:07:21,552 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:07:21,552 INFO L272 AbstractInterpreter]: Visited 63 different actions 63 times. Never merged. Never widened. Performed 2084 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2084 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-01 22:07:21,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:21,554 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:07:21,645 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 96.45% of their original sizes. [2018-12-01 22:07:21,645 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:07:21,740 INFO L418 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-12-01 22:07:21,740 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:07:21,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:07:21,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-12-01 22:07:21,740 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:07:21,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 22:07:21,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 22:07:21,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-12-01 22:07:21,741 INFO L87 Difference]: Start difference. First operand 1080 states and 1219 transitions. Second operand 15 states. [2018-12-01 22:07:22,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:22,723 INFO L93 Difference]: Finished difference Result 1977 states and 2245 transitions. [2018-12-01 22:07:22,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-01 22:07:22,723 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 157 [2018-12-01 22:07:22,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:22,728 INFO L225 Difference]: With dead ends: 1977 [2018-12-01 22:07:22,728 INFO L226 Difference]: Without dead ends: 1029 [2018-12-01 22:07:22,731 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2018-12-01 22:07:22,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2018-12-01 22:07:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1021. [2018-12-01 22:07:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2018-12-01 22:07:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1150 transitions. [2018-12-01 22:07:22,789 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1150 transitions. Word has length 157 [2018-12-01 22:07:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:22,789 INFO L480 AbstractCegarLoop]: Abstraction has 1021 states and 1150 transitions. [2018-12-01 22:07:22,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 22:07:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1150 transitions. [2018-12-01 22:07:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 22:07:22,792 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:07:22,792 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-12-01 22:07:22,792 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:07:22,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:22,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1987977279, now seen corresponding path program 1 times [2018-12-01 22:07:22,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:07:22,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:22,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:22,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:07:22,793 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:07:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 22:07:22,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:07:22,842 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:07:22,842 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-01 22:07:22,842 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [71], [72], [74], [83], [87], [91], [94], [97], [99], [105], [107], [113], [116], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [148], [150], [151], [152], [153], [163], [166], [170], [176], [203], [204], [205], [207], [210], [212], [214], [217], [219], [224], [230], [233], [237], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [274], [275], [276], [277], [278], [279], [282], [283], [284], [285], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320] [2018-12-01 22:07:22,843 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:07:22,844 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:07:23,051 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:07:23,051 INFO L272 AbstractInterpreter]: Visited 107 different actions 130 times. Merged at 6 different actions 6 times. Never widened. Performed 6581 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-01 22:07:23,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:07:23,055 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:07:23,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:07:23,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:07:23,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:07:23,064 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:07:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:23,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:07:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 22:07:23,242 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:07:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 22:07:23,481 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:07:23,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-01 22:07:23,481 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:07:23,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 22:07:23,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 22:07:23,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-01 22:07:23,482 INFO L87 Difference]: Start difference. First operand 1021 states and 1150 transitions. Second operand 15 states. [2018-12-01 22:07:24,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:07:24,855 INFO L93 Difference]: Finished difference Result 2425 states and 3113 transitions. [2018-12-01 22:07:24,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-01 22:07:24,855 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2018-12-01 22:07:24,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:07:24,856 INFO L225 Difference]: With dead ends: 2425 [2018-12-01 22:07:24,856 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:07:24,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 296 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-01 22:07:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:07:24,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:07:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:07:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:07:24,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-12-01 22:07:24,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:07:24,860 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:07:24,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 22:07:24,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:07:24,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:07:24,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:07:24,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:24,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:07:25,969 WARN L180 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2018-12-01 22:07:26,485 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2018-12-01 22:07:26,827 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2018-12-01 22:07:27,033 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2018-12-01 22:07:27,243 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2018-12-01 22:07:27,399 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-12-01 22:07:27,723 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2018-12-01 22:07:28,595 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-12-01 22:07:28,596 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-01 22:07:28,596 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-12-01 22:07:28,596 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-12-01 22:07:28,596 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-12-01 22:07:28,596 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 559 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-01 22:07:28,596 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:07:28,596 INFO L444 ceAbstractionStarter]: At program point L571-1(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:07:28,596 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2018-12-01 22:07:28,596 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 559 581) no Hoare annotation was computed. [2018-12-01 22:07:28,596 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 576) no Hoare annotation was computed. [2018-12-01 22:07:28,596 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-12-01 22:07:28,597 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-01 22:07:28,597 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-01 22:07:28,597 INFO L444 ceAbstractionStarter]: At program point L565-1(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-01 22:07:28,597 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 559 581) no Hoare annotation was computed. [2018-12-01 22:07:28,597 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-01 22:07:28,597 INFO L448 ceAbstractionStarter]: For program point L737-1(lines 718 742) no Hoare annotation was computed. [2018-12-01 22:07:28,597 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse6 .cse3 .cse7) (or .cse8 .cse9 .cse3 .cse4) (or .cse5 .cse8 .cse9 .cse3) (or .cse6 .cse0 .cse3 .cse7 .cse4))) [2018-12-01 22:07:28,598 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse4 (= processEnvironment__wrappee__methaneQuery_~tmp~5 1)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 1)) (< 2 ~waterLevel~0) .cse3 (and .cse2 .cse4)) (or (and .cse4 (= ~pumpRunning~0 0)) .cse1 .cse3 .cse5 (not (= ~waterLevel~0 2))) (or .cse6 .cse1 .cse2 .cse3 .cse5) (or .cse1 .cse3 .cse7 .cse5) (or .cse6 .cse8 .cse3 .cse5) (or .cse0 .cse6 .cse8 .cse3) (or .cse0 .cse1 .cse3 .cse7))) [2018-12-01 22:07:28,598 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2018-12-01 22:07:28,598 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-01 22:07:28,598 INFO L448 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2018-12-01 22:07:28,598 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2018-12-01 22:07:28,598 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 718 742) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse8))) [2018-12-01 22:07:28,598 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 718 742) no Hoare annotation was computed. [2018-12-01 22:07:28,598 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2018-12-01 22:07:28,598 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2018-12-01 22:07:28,598 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2018-12-01 22:07:28,598 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-12-01 22:07:28,599 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 549 558) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 549 558) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 549 558) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 802 812) the Hoare annotation is: true [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L451 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 794 801) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2018-12-01 22:07:28,599 INFO L444 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-01 22:07:28,600 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 744 768) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse8))) [2018-12-01 22:07:28,600 INFO L444 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-01 22:07:28,600 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2018-12-01 22:07:28,600 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2018-12-01 22:07:28,600 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-12-01 22:07:28,600 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2018-12-01 22:07:28,600 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 675) no Hoare annotation was computed. [2018-12-01 22:07:28,600 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 665 678) no Hoare annotation was computed. [2018-12-01 22:07:28,600 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 665 678) the Hoare annotation is: true [2018-12-01 22:07:28,600 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 665 678) no Hoare annotation was computed. [2018-12-01 22:07:28,600 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 710 716) no Hoare annotation was computed. [2018-12-01 22:07:28,600 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 710 716) the Hoare annotation is: true [2018-12-01 22:07:28,601 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 886 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1))) [2018-12-01 22:07:28,601 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 886 951) no Hoare annotation was computed. [2018-12-01 22:07:28,601 INFO L444 ceAbstractionStarter]: At program point L944(lines 895 945) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:07:28,601 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-12-01 22:07:28,601 INFO L444 ceAbstractionStarter]: At program point L934-2(lines 926 939) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 22:07:28,601 INFO L448 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2018-12-01 22:07:28,601 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 22:07:28,601 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-12-01 22:07:28,601 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse5 .cse3 .cse4) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 22:07:28,601 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-12-01 22:07:28,601 INFO L448 ceAbstractionStarter]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2018-12-01 22:07:28,601 INFO L444 ceAbstractionStarter]: At program point L941(lines 896 943) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse3 .cse4))) [2018-12-01 22:07:28,601 INFO L444 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse3 .cse4))) [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 906 912) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 886 951) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 769 776) the Hoare annotation is: (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 769 776) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 777 793) no Hoare annotation was computed. [2018-12-01 22:07:28,602 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 777 793) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 22:07:28,602 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< 2 ~waterLevel~0) .cse2) (or .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2)) .cse4) (or (< 1 ~waterLevel~0) .cse0 .cse4 .cse2 .cse3)))) [2018-12-01 22:07:28,602 INFO L448 ceAbstractionStarter]: For program point L788-1(lines 777 793) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point L867-2(lines 867 871) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 858 876) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 858 876) the Hoare annotation is: true [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 858 876) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 656 664) the Hoare annotation is: true [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 (or .cse1 .cse4) .cse6) (or (or .cse7 .cse4) .cse3 .cse5 .cse6) (or .cse3 (or .cse0 .cse7 .cse4) .cse2))) [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-12-01 22:07:28,603 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse7 (and .cse12 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1))) (.cse8 (= 0 ~pumpRunning~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse3) .cse7) (or .cse1 .cse8 .cse5 .cse3 .cse9) (or (or .cse6 .cse3) .cse5 .cse9 .cse7) (or .cse0 .cse10 .cse6 .cse3 .cse4) (or .cse0 .cse1 (and .cse8 (<= ~waterLevel~0 2)) .cse5 .cse3) (or .cse10 .cse6 .cse3 .cse4 .cse9) (or .cse0 .cse11 .cse1 .cse12 .cse3) (or .cse1 .cse3 .cse4 .cse9 .cse2) (or .cse1 (= ~waterLevel~0 2) .cse3 .cse9 (not (= |old(~waterLevel~0)| 2))) (or .cse11 .cse1 .cse12 .cse3 .cse9)))) [2018-12-01 22:07:28,603 INFO L444 ceAbstractionStarter]: At program point L697(lines 697 703) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 1))) (let ((.cse4 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse13 (and .cse14 .cse16 .cse8)) (.cse12 (and .cse14 .cse6 .cse16)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse15 (and .cse14 .cse8)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (let ((.cse7 (<= ~waterLevel~0 2))) (or .cse5 .cse0 (and .cse6 .cse7) (and .cse7 .cse8) .cse9 .cse1)) (or .cse10 .cse11 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse4 .cse1 .cse2) (or (or .cse11 .cse1) .cse12 .cse9 .cse3 .cse13) (or .cse10 .cse5 .cse11 .cse1 .cse2) (or .cse5 (< 1 |old(~waterLevel~0)|) .cse0 .cse14 .cse1) (or .cse9 (or .cse5 .cse11 .cse1) .cse13 .cse12) (or .cse0 (and .cse14 .cse6) .cse15 .cse9 .cse1 .cse3) (or .cse0 .cse15 .cse1 .cse3 (not (= |old(~waterLevel~0)| 2)))))) [2018-12-01 22:07:28,604 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse9 (= ~pumpRunning~0 1)) (.cse8 (or .cse0 .cse1)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1) (or .cse8 (and (<= ~waterLevel~0 2) .cse9) .cse7 .cse3) (or (and .cse10 .cse9) .cse7 (or .cse5 .cse0 .cse1)) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse10 .cse3) (or .cse5 .cse4 .cse0 .cse1 .cse2) (or .cse6 .cse7 .cse1 .cse3)))) [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point L690(lines 689 708) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 686 709) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse12 (or .cse2 .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse1 .cse6 .cse7 .cse3 .cse8) (or .cse6 .cse9 .cse0 .cse3 .cse10) (or .cse1 .cse6 (and .cse9 .cse11) .cse0 .cse3) (or .cse7 .cse2 .cse3 .cse8 .cse10) (or .cse12 .cse0 (and .cse11 .cse5) .cse10) (or .cse1 .cse13 .cse6 .cse4 .cse3) (or .cse6 .cse3 .cse8 .cse10 .cse7) (or .cse13 .cse12 .cse4 .cse10) (or .cse6 (= ~waterLevel~0 2) .cse3 .cse10 (not (= |old(~waterLevel~0)| 2))) (or .cse1 .cse7 .cse2 .cse3 .cse8) (or .cse13 .cse6 .cse4 .cse3 .cse10)))) [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 686 709) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 686 709) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 484 513) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L451 ceAbstractionStarter]: At program point L509(lines 484 513) the Hoare annotation is: true [2018-12-01 22:07:28,604 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 484 513) the Hoare annotation is: true [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L451 ceAbstractionStarter]: At program point L498-1(lines 498 502) the Hoare annotation is: true [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L451 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: true [2018-12-01 22:07:28,604 INFO L451 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-12-01 22:07:28,604 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse4 .cse6 .cse3 .cse5) (or .cse2 .cse6 .cse3 .cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (or .cse0 .cse2 .cse6 .cse3))) [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-12-01 22:07:28,605 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3))) [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or (< 1 ~waterLevel~0) .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse3))) [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: (let ((.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse2 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse1) (or .cse3 .cse0 .cse8 .cse9 .cse2) (or .cse3 .cse0 .cse5 .cse6 .cse2) (or .cse3 .cse8 .cse2 .cse9 .cse7))) [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 541 547) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 541 547) the Hoare annotation is: true [2018-12-01 22:07:28,605 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:07:28,605 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-01 22:07:28,605 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:07:28,606 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:07:28,606 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 877 884) no Hoare annotation was computed. [2018-12-01 22:07:28,606 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 877 884) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or (or .cse2 .cse3) .cse0 .cse4 .cse5) (or .cse1 .cse6 .cse4 .cse0 .cse3) (or .cse6 .cse4 .cse0 .cse3 .cse5))) [2018-12-01 22:07:28,606 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 877 884) no Hoare annotation was computed. [2018-12-01 22:07:28,606 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-12-01 22:07:28,606 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-12-01 22:07:28,606 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse7 .cse3 .cse6 .cse4 .cse5) (or .cse0 (or .cse8 .cse2 .cse3) .cse9) (or .cse8 .cse10 .cse7 .cse9 .cse3) (or .cse8 .cse7 .cse1 .cse0 .cse3) (or .cse10 .cse7 .cse9 .cse3 .cse4) (or .cse8 .cse7 .cse5 .cse3 .cse6) (or .cse10 .cse9 .cse2 .cse3 .cse4))) [2018-12-01 22:07:28,606 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 953 960) no Hoare annotation was computed. [2018-12-01 22:07:28,606 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-12-01 22:07:28,606 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 953 960) the Hoare annotation is: true [2018-12-01 22:07:28,606 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 953 960) no Hoare annotation was computed. [2018-12-01 22:07:28,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:07:28 BoogieIcfgContainer [2018-12-01 22:07:28,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:07:28,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:07:28,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:07:28,617 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:07:28,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:07:13" (3/4) ... [2018-12-01 22:07:28,620 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 22:07:28,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 22:07:28,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 22:07:28,630 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-01 22:07:28,631 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-01 22:07:28,631 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 22:07:28,631 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 22:07:28,631 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 22:07:28,632 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 22:07:28,650 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-01 22:07:28,650 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 22:07:28,680 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8352bd87-f910-4f50-b785-341c8970c2b8/bin-2019/utaipan/witness.graphml [2018-12-01 22:07:28,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:07:28,681 INFO L168 Benchmark]: Toolchain (without parser) took 15906.10 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 751.3 MB). Free memory was 947.0 MB in the beginning and 1.6 GB in the end (delta: -677.0 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:07:28,681 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:07:28,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:07:28,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:07:28,682 INFO L168 Benchmark]: Boogie Preprocessor took 22.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:07:28,682 INFO L168 Benchmark]: RCFGBuilder took 371.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:07:28,682 INFO L168 Benchmark]: TraceAbstraction took 15149.95 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 641.7 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -595.8 MB). Peak memory consumption was 893.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:07:28,682 INFO L168 Benchmark]: Witness Printer took 64.06 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:07:28,683 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 371.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15149.95 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 641.7 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -595.8 MB). Peak memory consumption was 893.3 MB. Max. memory is 11.5 GB. * Witness Printer took 64.06 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: 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: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 15.0s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2800 SDtfs, 2249 SDslu, 10569 SDs, 0 SdLazy, 4750 SolverSat, 1128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1215 GetRequests, 1004 SyntacticMatches, 19 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1146occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.997729925919483 AbsIntWeakeningRatio, 0.948019801980198 AbsIntAvgWeakeningVarsNumRemoved, 60.43069306930693 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 129 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3841 PreInvPairs, 4218 NumberOfFragments, 3452 HoareAnnotationTreeSize, 3841 FomulaSimplifications, 6432 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 64 FomulaSimplificationsInter, 18486 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1829 NumberOfCodeBlocks, 1829 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2123 ConstructedInterpolants, 0 QuantifiedInterpolants, 421392 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1773 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 374/400 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...