./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/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_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/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-aa41828 [2018-11-23 02:32:48,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:32:48,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:32:48,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:32:48,537 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:32:48,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:32:48,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:32:48,540 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:32:48,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:32:48,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:32:48,542 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:32:48,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:32:48,543 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:32:48,544 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:32:48,545 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:32:48,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:32:48,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:32:48,547 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:32:48,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:32:48,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:32:48,550 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:32:48,551 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:32:48,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:32:48,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:32:48,553 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:32:48,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:32:48,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:32:48,555 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:32:48,556 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:32:48,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:32:48,557 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:32:48,557 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:32:48,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:32:48,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:32:48,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:32:48,559 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:32:48,559 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:32:48,570 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:32:48,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:32:48,570 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:32:48,571 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:32:48,571 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:32:48,571 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:32:48,571 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:32:48,571 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:32:48,571 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:32:48,572 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:32:48,572 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:32:48,572 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:32:48,572 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:32:48,573 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:32:48,573 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:32:48,573 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:32:48,573 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:32:48,573 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:32:48,573 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:32:48,573 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:32:48,574 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:32:48,574 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:32:48,574 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:32:48,574 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:32:48,574 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:32:48,574 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:32:48,575 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:32:48,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:32:48,575 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:32:48,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:32:48,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:32:48,575 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:32:48,575 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:32:48,576 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:32:48,576 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:32:48,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:32:48,576 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:32:48,576 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_d9180c26-cf94-4076-b7ad-d790e4088d55/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 [2018-11-23 02:32:48,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:32:48,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:32:48,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:32:48,616 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:32:48,616 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:32:48,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-11-23 02:32:48,660 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/data/495068c80/532ece275bca4d0d85aee1fcebaa4e2f/FLAGca816753b [2018-11-23 02:32:49,014 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:32:49,015 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-11-23 02:32:49,023 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/data/495068c80/532ece275bca4d0d85aee1fcebaa4e2f/FLAGca816753b [2018-11-23 02:32:49,416 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/data/495068c80/532ece275bca4d0d85aee1fcebaa4e2f [2018-11-23 02:32:49,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:32:49,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:32:49,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:32:49,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:32:49,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:32:49,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49, skipping insertion in model container [2018-11-23 02:32:49,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:32:49,469 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:32:49,684 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:32:49,692 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:32:49,796 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:32:49,813 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:32:49,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49 WrapperNode [2018-11-23 02:32:49,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:32:49,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:32:49,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:32:49,814 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:32:49,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:32:49,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:32:49,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:32:49,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:32:49,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... [2018-11-23 02:32:49,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:32:49,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:32:49,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:32:49,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:32:49,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:32:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 02:32:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 02:32:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:32:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:32:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:32:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 02:32:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 02:32:49,918 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 02:32:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 02:32:49,918 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 02:32:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 02:32:49,918 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 02:32:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 02:32:49,918 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 02:32:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 02:32:49,919 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 02:32:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 02:32:49,919 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 02:32:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 02:32:49,919 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 02:32:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 02:32:49,920 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 02:32:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 02:32:49,920 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 02:32:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 02:32:49,920 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 02:32:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 02:32:49,920 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 02:32:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 02:32:49,920 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 02:32:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 02:32:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 02:32:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 02:32:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 02:32:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 02:32:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 02:32:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 02:32:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 02:32:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 02:32:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 02:32:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 02:32:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 02:32:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 02:32:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 02:32:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 02:32:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 02:32:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 02:32:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 02:32:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 02:32:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:32:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:32:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:32:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 02:32:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 02:32:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 02:32:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 02:32:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 02:32:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 02:32:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:32:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:32:50,386 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:32:50,386 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 02:32:50,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:50 BoogieIcfgContainer [2018-11-23 02:32:50,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:32:50,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:32:50,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:32:50,390 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:32:50,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:32:49" (1/3) ... [2018-11-23 02:32:50,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d071269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:32:50, skipping insertion in model container [2018-11-23 02:32:50,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:49" (2/3) ... [2018-11-23 02:32:50,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d071269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:32:50, skipping insertion in model container [2018-11-23 02:32:50,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:50" (3/3) ... [2018-11-23 02:32:50,392 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-11-23 02:32:50,398 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:32:50,403 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:32:50,412 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:32:50,433 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:32:50,433 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:32:50,433 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:32:50,434 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:32:50,434 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:32:50,434 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:32:50,434 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:32:50,434 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:32:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-23 02:32:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 02:32:50,455 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:50,456 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:32:50,457 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:50,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:50,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1275178253, now seen corresponding path program 1 times [2018-11-23 02:32:50,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:50,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:50,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:50,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:50,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:32:50,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:50,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:32:50,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:50,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:32:50,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:32:50,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:32:50,667 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-23 02:32:50,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:50,701 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-11-23 02:32:50,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:32:50,703 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 02:32:50,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:50,711 INFO L225 Difference]: With dead ends: 280 [2018-11-23 02:32:50,712 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 02:32:50,715 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:32:50,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 02:32:50,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 02:32:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 02:32:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-11-23 02:32:50,753 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 52 [2018-11-23 02:32:50,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:50,753 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-11-23 02:32:50,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:32:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-11-23 02:32:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 02:32:50,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:50,756 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:32:50,756 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:50,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:50,757 INFO L82 PathProgramCache]: Analyzing trace with hash 511140134, now seen corresponding path program 1 times [2018-11-23 02:32:50,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:50,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:50,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:50,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:50,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:32:50,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:50,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:32:50,843 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:50,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:32:50,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:32:50,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:32:50,845 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-11-23 02:32:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:50,863 INFO L93 Difference]: Finished difference Result 225 states and 265 transitions. [2018-11-23 02:32:50,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:32:50,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 02:32:50,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:50,865 INFO L225 Difference]: With dead ends: 225 [2018-11-23 02:32:50,866 INFO L226 Difference]: Without dead ends: 131 [2018-11-23 02:32:50,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:32:50,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-23 02:32:50,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-23 02:32:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 02:32:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2018-11-23 02:32:50,878 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2018-11-23 02:32:50,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:50,878 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2018-11-23 02:32:50,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:32:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-11-23 02:32:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 02:32:50,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:50,880 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:32:50,880 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:50,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:50,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1181363005, now seen corresponding path program 1 times [2018-11-23 02:32:50,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:50,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:50,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:50,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:50,882 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:32:50,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:50,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 02:32:50,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:50,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:32:50,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:32:50,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:32:50,988 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2018-11-23 02:32:51,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:51,225 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2018-11-23 02:32:51,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:32:51,225 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-23 02:32:51,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:51,227 INFO L225 Difference]: With dead ends: 238 [2018-11-23 02:32:51,227 INFO L226 Difference]: Without dead ends: 131 [2018-11-23 02:32:51,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:32:51,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-23 02:32:51,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-23 02:32:51,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 02:32:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-11-23 02:32:51,240 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 58 [2018-11-23 02:32:51,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:51,240 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-11-23 02:32:51,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:32:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-11-23 02:32:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 02:32:51,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:51,243 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] [2018-11-23 02:32:51,244 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:51,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:51,244 INFO L82 PathProgramCache]: Analyzing trace with hash -934730876, now seen corresponding path program 1 times [2018-11-23 02:32:51,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:51,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:51,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:51,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:51,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:32:51,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:51,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:32:51,346 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:51,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:32:51,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:32:51,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:32:51,347 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 5 states. [2018-11-23 02:32:51,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:51,810 INFO L93 Difference]: Finished difference Result 356 states and 428 transitions. [2018-11-23 02:32:51,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:32:51,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-23 02:32:51,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:51,812 INFO L225 Difference]: With dead ends: 356 [2018-11-23 02:32:51,812 INFO L226 Difference]: Without dead ends: 249 [2018-11-23 02:32:51,813 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 [2018-11-23 02:32:51,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-11-23 02:32:51,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 230. [2018-11-23 02:32:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-11-23 02:32:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 262 transitions. [2018-11-23 02:32:51,833 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 262 transitions. Word has length 71 [2018-11-23 02:32:51,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:51,834 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 262 transitions. [2018-11-23 02:32:51,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:32:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 262 transitions. [2018-11-23 02:32:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 02:32:51,835 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:51,835 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] [2018-11-23 02:32:51,836 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:51,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:51,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1197479596, now seen corresponding path program 1 times [2018-11-23 02:32:51,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:51,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:51,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:51,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:51,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:32:51,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:51,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:32:51,921 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:51,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:32:51,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:32:51,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:32:51,922 INFO L87 Difference]: Start difference. First operand 230 states and 262 transitions. Second operand 6 states. [2018-11-23 02:32:52,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:52,099 INFO L93 Difference]: Finished difference Result 570 states and 681 transitions. [2018-11-23 02:32:52,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:32:52,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-23 02:32:52,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:52,102 INFO L225 Difference]: With dead ends: 570 [2018-11-23 02:32:52,103 INFO L226 Difference]: Without dead ends: 364 [2018-11-23 02:32:52,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:32:52,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-23 02:32:52,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-11-23 02:32:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-11-23 02:32:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 416 transitions. [2018-11-23 02:32:52,145 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 416 transitions. Word has length 85 [2018-11-23 02:32:52,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:52,145 INFO L480 AbstractCegarLoop]: Abstraction has 360 states and 416 transitions. [2018-11-23 02:32:52,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:32:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 416 transitions. [2018-11-23 02:32:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 02:32:52,147 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:52,148 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] [2018-11-23 02:32:52,148 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:52,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:52,149 INFO L82 PathProgramCache]: Analyzing trace with hash -447752270, now seen corresponding path program 1 times [2018-11-23 02:32:52,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:52,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:52,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:52,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:52,150 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:32:52,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:52,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:32:52,296 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:52,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:32:52,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:32:52,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:32:52,297 INFO L87 Difference]: Start difference. First operand 360 states and 416 transitions. Second operand 6 states. [2018-11-23 02:32:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:52,466 INFO L93 Difference]: Finished difference Result 767 states and 921 transitions. [2018-11-23 02:32:52,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:32:52,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 02:32:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:52,469 INFO L225 Difference]: With dead ends: 767 [2018-11-23 02:32:52,469 INFO L226 Difference]: Without dead ends: 561 [2018-11-23 02:32:52,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:32:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-11-23 02:32:52,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 543. [2018-11-23 02:32:52,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-11-23 02:32:52,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 641 transitions. [2018-11-23 02:32:52,498 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 641 transitions. Word has length 89 [2018-11-23 02:32:52,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:52,499 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 641 transitions. [2018-11-23 02:32:52,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:32:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 641 transitions. [2018-11-23 02:32:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 02:32:52,500 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:52,500 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] [2018-11-23 02:32:52,501 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:52,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:52,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1370435853, now seen corresponding path program 1 times [2018-11-23 02:32:52,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:52,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:52,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:52,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:52,502 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:32:52,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:52,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:32:52,558 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:52,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:32:52,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:32:52,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:32:52,559 INFO L87 Difference]: Start difference. First operand 543 states and 641 transitions. Second operand 5 states. [2018-11-23 02:32:52,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:52,614 INFO L93 Difference]: Finished difference Result 942 states and 1134 transitions. [2018-11-23 02:32:52,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:32:52,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-23 02:32:52,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:52,617 INFO L225 Difference]: With dead ends: 942 [2018-11-23 02:32:52,618 INFO L226 Difference]: Without dead ends: 553 [2018-11-23 02:32:52,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:32:52,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-11-23 02:32:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-11-23 02:32:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-11-23 02:32:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 644 transitions. [2018-11-23 02:32:52,646 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 644 transitions. Word has length 89 [2018-11-23 02:32:52,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:52,647 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 644 transitions. [2018-11-23 02:32:52,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:32:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 644 transitions. [2018-11-23 02:32:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 02:32:52,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:52,649 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] [2018-11-23 02:32:52,649 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:52,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:52,650 INFO L82 PathProgramCache]: Analyzing trace with hash 2080525941, now seen corresponding path program 1 times [2018-11-23 02:32:52,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:52,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:52,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:52,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:52,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:52,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:32:52,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:52,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 02:32:52,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:52,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:32:52,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:32:52,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:32:52,747 INFO L87 Difference]: Start difference. First operand 547 states and 644 transitions. Second operand 9 states. [2018-11-23 02:32:52,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:52,811 INFO L93 Difference]: Finished difference Result 1087 states and 1306 transitions. [2018-11-23 02:32:52,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:32:52,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-23 02:32:52,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:52,814 INFO L225 Difference]: With dead ends: 1087 [2018-11-23 02:32:52,814 INFO L226 Difference]: Without dead ends: 564 [2018-11-23 02:32:52,815 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:32:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-23 02:32:52,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2018-11-23 02:32:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-23 02:32:52,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 651 transitions. [2018-11-23 02:32:52,842 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 651 transitions. Word has length 89 [2018-11-23 02:32:52,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:52,843 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 651 transitions. [2018-11-23 02:32:52,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:32:52,843 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 651 transitions. [2018-11-23 02:32:52,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 02:32:52,845 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:52,845 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] [2018-11-23 02:32:52,845 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:52,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:52,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1634582220, now seen corresponding path program 1 times [2018-11-23 02:32:52,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:52,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:52,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:52,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:52,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 02:32:52,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:32:52,917 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:32:52,918 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-11-23 02:32:52,919 INFO L202 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] [2018-11-23 02:32:52,949 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:32:52,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:32:53,368 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:32:53,369 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. [2018-11-23 02:32:53,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:53,388 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:32:53,665 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.67% of their original sizes. [2018-11-23 02:32:53,665 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:32:53,848 INFO L415 sIntCurrentIteration]: We unified 100 AI predicates to 100 [2018-11-23 02:32:53,848 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:32:53,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:32:53,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [9] total 25 [2018-11-23 02:32:53,849 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:53,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 02:32:53,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 02:32:53,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2018-11-23 02:32:53,850 INFO L87 Difference]: Start difference. First operand 554 states and 651 transitions. Second operand 18 states. [2018-11-23 02:32:56,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:56,363 INFO L93 Difference]: Finished difference Result 1219 states and 1456 transitions. [2018-11-23 02:32:56,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 02:32:56,363 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 101 [2018-11-23 02:32:56,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:56,365 INFO L225 Difference]: With dead ends: 1219 [2018-11-23 02:32:56,365 INFO L226 Difference]: Without dead ends: 689 [2018-11-23 02:32:56,366 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2018-11-23 02:32:56,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-11-23 02:32:56,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 685. [2018-11-23 02:32:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2018-11-23 02:32:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 804 transitions. [2018-11-23 02:32:56,385 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 804 transitions. Word has length 101 [2018-11-23 02:32:56,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:56,385 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 804 transitions. [2018-11-23 02:32:56,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 02:32:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 804 transitions. [2018-11-23 02:32:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 02:32:56,387 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:56,388 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] [2018-11-23 02:32:56,388 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:56,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:56,388 INFO L82 PathProgramCache]: Analyzing trace with hash 302274552, now seen corresponding path program 1 times [2018-11-23 02:32:56,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:56,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:56,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:56,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:56,389 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 02:32:56,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:56,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 02:32:56,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:56,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:32:56,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:32:56,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:32:56,467 INFO L87 Difference]: Start difference. First operand 685 states and 804 transitions. Second operand 10 states. [2018-11-23 02:32:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:56,590 INFO L93 Difference]: Finished difference Result 1694 states and 2052 transitions. [2018-11-23 02:32:56,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 02:32:56,591 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-23 02:32:56,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:56,594 INFO L225 Difference]: With dead ends: 1694 [2018-11-23 02:32:56,594 INFO L226 Difference]: Without dead ends: 1164 [2018-11-23 02:32:56,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:32:56,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2018-11-23 02:32:56,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1146. [2018-11-23 02:32:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2018-11-23 02:32:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1349 transitions. [2018-11-23 02:32:56,631 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1349 transitions. Word has length 105 [2018-11-23 02:32:56,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:56,631 INFO L480 AbstractCegarLoop]: Abstraction has 1146 states and 1349 transitions. [2018-11-23 02:32:56,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:32:56,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1349 transitions. [2018-11-23 02:32:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 02:32:56,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:56,633 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] [2018-11-23 02:32:56,633 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:56,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:56,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1308230506, now seen corresponding path program 1 times [2018-11-23 02:32:56,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:56,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:56,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:56,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:56,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:32:56,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:32:56,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 02:32:56,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:56,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:32:56,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:32:56,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:32:56,708 INFO L87 Difference]: Start difference. First operand 1146 states and 1349 transitions. Second operand 10 states. [2018-11-23 02:32:56,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:56,831 INFO L93 Difference]: Finished difference Result 2143 states and 2528 transitions. [2018-11-23 02:32:56,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 02:32:56,832 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-23 02:32:56,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:56,835 INFO L225 Difference]: With dead ends: 2143 [2018-11-23 02:32:56,835 INFO L226 Difference]: Without dead ends: 1152 [2018-11-23 02:32:56,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:32:56,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2018-11-23 02:32:56,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1116. [2018-11-23 02:32:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-11-23 02:32:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1279 transitions. [2018-11-23 02:32:56,870 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1279 transitions. Word has length 105 [2018-11-23 02:32:56,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:56,870 INFO L480 AbstractCegarLoop]: Abstraction has 1116 states and 1279 transitions. [2018-11-23 02:32:56,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:32:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1279 transitions. [2018-11-23 02:32:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 02:32:56,873 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:56,873 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] [2018-11-23 02:32:56,873 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:56,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:56,873 INFO L82 PathProgramCache]: Analyzing trace with hash 599699574, now seen corresponding path program 1 times [2018-11-23 02:32:56,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:56,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:56,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:56,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:56,874 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 02:32:56,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:32:56,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:32:56,922 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-23 02:32:56,922 INFO L202 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] [2018-11-23 02:32:56,925 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:32:56,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:32:57,022 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:32:57,023 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. [2018-11-23 02:32:57,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:57,024 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:32:57,122 INFO L227 lantSequenceWeakener]: Weakened 69 states. On average, predicates are now at 96.44% of their original sizes. [2018-11-23 02:32:57,122 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:32:57,189 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-23 02:32:57,189 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:32:57,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:32:57,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-23 02:32:57,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:32:57,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 02:32:57,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 02:32:57,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:32:57,191 INFO L87 Difference]: Start difference. First operand 1116 states and 1279 transitions. Second operand 13 states. [2018-11-23 02:32:58,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:32:58,092 INFO L93 Difference]: Finished difference Result 2191 states and 2518 transitions. [2018-11-23 02:32:58,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 02:32:58,092 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-11-23 02:32:58,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:32:58,096 INFO L225 Difference]: With dead ends: 2191 [2018-11-23 02:32:58,096 INFO L226 Difference]: Without dead ends: 1099 [2018-11-23 02:32:58,097 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2018-11-23 02:32:58,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2018-11-23 02:32:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1099. [2018-11-23 02:32:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1099 states. [2018-11-23 02:32:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1254 transitions. [2018-11-23 02:32:58,130 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1254 transitions. Word has length 149 [2018-11-23 02:32:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:32:58,131 INFO L480 AbstractCegarLoop]: Abstraction has 1099 states and 1254 transitions. [2018-11-23 02:32:58,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 02:32:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1254 transitions. [2018-11-23 02:32:58,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 02:32:58,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:32:58,134 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] [2018-11-23 02:32:58,134 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:32:58,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:58,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1382237250, now seen corresponding path program 1 times [2018-11-23 02:32:58,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:32:58,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:58,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:58,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:32:58,135 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:32:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 02:32:58,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:32:58,261 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:32:58,261 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-23 02:32:58,262 INFO L202 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] [2018-11-23 02:32:58,264 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:32:58,264 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:32:59,663 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:32:59,663 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. [2018-11-23 02:32:59,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:32:59,668 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:32:59,668 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:32:59,668 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:32:59,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:32:59,676 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:32:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:32:59,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:32:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:32:59,938 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:33:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 02:33:00,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:33:00,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-11-23 02:33:00,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:33:00,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:33:00,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:33:00,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:33:00,308 INFO L87 Difference]: Start difference. First operand 1099 states and 1254 transitions. Second operand 8 states. [2018-11-23 02:33:00,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:33:00,530 INFO L93 Difference]: Finished difference Result 2047 states and 2357 transitions. [2018-11-23 02:33:00,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:33:00,531 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-11-23 02:33:00,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:33:00,534 INFO L225 Difference]: With dead ends: 2047 [2018-11-23 02:33:00,534 INFO L226 Difference]: Without dead ends: 1086 [2018-11-23 02:33:00,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 305 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:33:00,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2018-11-23 02:33:00,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1080. [2018-11-23 02:33:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2018-11-23 02:33:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1219 transitions. [2018-11-23 02:33:00,581 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1219 transitions. Word has length 160 [2018-11-23 02:33:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:33:00,582 INFO L480 AbstractCegarLoop]: Abstraction has 1080 states and 1219 transitions. [2018-11-23 02:33:00,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:33:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1219 transitions. [2018-11-23 02:33:00,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 02:33:00,584 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:33:00,585 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] [2018-11-23 02:33:00,585 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:33:00,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:33:00,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1567783436, now seen corresponding path program 1 times [2018-11-23 02:33:00,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:33:00,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:33:00,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:33:00,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:33:00,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:33:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:33:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:33:00,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:33:00,654 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:33:00,655 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 02:33:00,655 INFO L202 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] [2018-11-23 02:33:00,657 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:33:00,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:33:00,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:33:00,785 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. [2018-11-23 02:33:00,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:33:00,787 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:33:00,901 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 96.45% of their original sizes. [2018-11-23 02:33:00,901 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:33:00,975 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-11-23 02:33:00,976 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:33:00,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:33:00,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-23 02:33:00,976 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:33:00,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 02:33:00,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 02:33:00,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-23 02:33:00,977 INFO L87 Difference]: Start difference. First operand 1080 states and 1219 transitions. Second operand 15 states. [2018-11-23 02:33:02,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:33:02,045 INFO L93 Difference]: Finished difference Result 1977 states and 2245 transitions. [2018-11-23 02:33:02,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 02:33:02,045 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 157 [2018-11-23 02:33:02,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:33:02,048 INFO L225 Difference]: With dead ends: 1977 [2018-11-23 02:33:02,048 INFO L226 Difference]: Without dead ends: 1029 [2018-11-23 02:33:02,050 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 [2018-11-23 02:33:02,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2018-11-23 02:33:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1021. [2018-11-23 02:33:02,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2018-11-23 02:33:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1150 transitions. [2018-11-23 02:33:02,080 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1150 transitions. Word has length 157 [2018-11-23 02:33:02,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:33:02,080 INFO L480 AbstractCegarLoop]: Abstraction has 1021 states and 1150 transitions. [2018-11-23 02:33:02,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 02:33:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1150 transitions. [2018-11-23 02:33:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 02:33:02,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:33:02,082 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] [2018-11-23 02:33:02,083 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:33:02,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:33:02,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1987977279, now seen corresponding path program 1 times [2018-11-23 02:33:02,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:33:02,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:33:02,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:33:02,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:33:02,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:33:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:33:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 02:33:02,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:33:02,149 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:33:02,149 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-23 02:33:02,149 INFO L202 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] [2018-11-23 02:33:02,151 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:33:02,151 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:33:02,388 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:33:02,389 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. [2018-11-23 02:33:02,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:33:02,395 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:33:02,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:33:02,396 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:33:02,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:33:02,424 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:33:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:33:02,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:33:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 02:33:02,634 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:33:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 02:33:02,905 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:33:02,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-23 02:33:02,906 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:33:02,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 02:33:02,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 02:33:02,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-23 02:33:02,907 INFO L87 Difference]: Start difference. First operand 1021 states and 1150 transitions. Second operand 15 states. [2018-11-23 02:33:04,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:33:04,528 INFO L93 Difference]: Finished difference Result 2425 states and 3113 transitions. [2018-11-23 02:33:04,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 02:33:04,528 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2018-11-23 02:33:04,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:33:04,529 INFO L225 Difference]: With dead ends: 2425 [2018-11-23 02:33:04,529 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:33:04,533 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 296 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 02:33:04,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:33:04,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:33:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:33:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:33:04,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-11-23 02:33:04,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:33:04,534 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:33:04,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 02:33:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:33:04,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:33:04,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:33:04,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:04,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:04,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:04,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:05,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:05,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:05,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:05,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:05,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:05,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:33:05,895 WARN L180 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2018-11-23 02:33:06,501 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2018-11-23 02:33:06,770 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2018-11-23 02:33:06,945 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2018-11-23 02:33:07,193 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2018-11-23 02:33:07,409 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2018-11-23 02:33:07,558 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-11-23 02:33:07,907 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2018-11-23 02:33:08,029 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2018-11-23 02:33:08,130 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2018-11-23 02:33:08,394 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2018-11-23 02:33:08,834 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 02:33:08,834 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 02:33:08,834 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-11-23 02:33:08,834 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-11-23 02:33:08,834 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-11-23 02:33:08,834 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))) [2018-11-23 02:33:08,834 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))) [2018-11-23 02:33:08,834 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))) [2018-11-23 02:33:08,834 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2018-11-23 02:33:08,834 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 559 581) no Hoare annotation was computed. [2018-11-23 02:33:08,834 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 576) no Hoare annotation was computed. [2018-11-23 02:33:08,835 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-11-23 02:33:08,835 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))) [2018-11-23 02:33:08,835 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))) [2018-11-23 02:33:08,835 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))) [2018-11-23 02:33:08,835 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 559 581) no Hoare annotation was computed. [2018-11-23 02:33:08,835 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))) [2018-11-23 02:33:08,835 INFO L448 ceAbstractionStarter]: For program point L737-1(lines 718 742) no Hoare annotation was computed. [2018-11-23 02:33:08,835 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))) [2018-11-23 02:33:08,836 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))) [2018-11-23 02:33:08,836 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2018-11-23 02:33:08,836 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))) [2018-11-23 02:33:08,836 INFO L448 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2018-11-23 02:33:08,836 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2018-11-23 02:33:08,836 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))) [2018-11-23 02:33:08,836 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 718 742) no Hoare annotation was computed. [2018-11-23 02:33:08,836 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2018-11-23 02:33:08,836 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2018-11-23 02:33:08,836 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2018-11-23 02:33:08,836 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-11-23 02:33:08,836 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-11-23 02:33:08,836 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))) [2018-11-23 02:33:08,836 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 549 558) no Hoare annotation was computed. [2018-11-23 02:33:08,837 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 549 558) no Hoare annotation was computed. [2018-11-23 02:33:08,837 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 802 812) the Hoare annotation is: true [2018-11-23 02:33:08,837 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2018-11-23 02:33:08,837 INFO L451 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-11-23 02:33:08,837 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2018-11-23 02:33:08,837 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-23 02:33:08,837 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))))) [2018-11-23 02:33:08,837 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2018-11-23 02:33:08,837 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2018-11-23 02:33:08,837 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))) [2018-11-23 02:33:08,837 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2018-11-23 02:33:08,838 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2018-11-23 02:33:08,838 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))) [2018-11-23 02:33:08,838 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))) [2018-11-23 02:33:08,838 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))) [2018-11-23 02:33:08,838 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2018-11-23 02:33:08,838 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))) [2018-11-23 02:33:08,838 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-11-23 02:33:08,838 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2018-11-23 02:33:08,838 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 675) no Hoare annotation was computed. [2018-11-23 02:33:08,838 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 665 678) no Hoare annotation was computed. [2018-11-23 02:33:08,839 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 665 678) the Hoare annotation is: true [2018-11-23 02:33:08,839 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 665 678) no Hoare annotation was computed. [2018-11-23 02:33:08,839 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 710 716) no Hoare annotation was computed. [2018-11-23 02:33:08,839 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 710 716) the Hoare annotation is: true [2018-11-23 02:33:08,839 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))) [2018-11-23 02:33:08,839 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 886 951) no Hoare annotation was computed. [2018-11-23 02:33:08,839 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))) [2018-11-23 02:33:08,839 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-11-23 02:33:08,839 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)))) [2018-11-23 02:33:08,839 INFO L448 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2018-11-23 02:33:08,840 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)))) [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-11-23 02:33:08,840 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)))) [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2018-11-23 02:33:08,840 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))) [2018-11-23 02:33:08,840 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))) [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 906 912) no Hoare annotation was computed. [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 886 951) no Hoare annotation was computed. [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-11-23 02:33:08,840 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))))) [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 769 776) no Hoare annotation was computed. [2018-11-23 02:33:08,840 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:33:08,840 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)|)) [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-11-23 02:33:08,841 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))))) [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 777 793) no Hoare annotation was computed. [2018-11-23 02:33:08,841 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))))) [2018-11-23 02:33:08,841 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)))) [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point L788-1(lines 777 793) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point L867-2(lines 867 871) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 858 876) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 858 876) the Hoare annotation is: true [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 858 876) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 656 664) the Hoare annotation is: true [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2018-11-23 02:33:08,841 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))) [2018-11-23 02:33:08,841 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-11-23 02:33:08,842 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-11-23 02:33:08,842 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)))) [2018-11-23 02:33:08,842 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)))))) [2018-11-23 02:33:08,842 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)))) [2018-11-23 02:33:08,842 INFO L448 ceAbstractionStarter]: For program point L690(lines 689 708) no Hoare annotation was computed. [2018-11-23 02:33:08,842 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)))) [2018-11-23 02:33:08,842 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 686 709) no Hoare annotation was computed. [2018-11-23 02:33:08,842 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 686 709) no Hoare annotation was computed. [2018-11-23 02:33:08,842 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 484 513) no Hoare annotation was computed. [2018-11-23 02:33:08,842 INFO L451 ceAbstractionStarter]: At program point L509(lines 484 513) the Hoare annotation is: true [2018-11-23 02:33:08,842 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 484 513) the Hoare annotation is: true [2018-11-23 02:33:08,842 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 02:33:08,842 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2018-11-23 02:33:08,842 INFO L451 ceAbstractionStarter]: At program point L498-1(lines 498 502) the Hoare annotation is: true [2018-11-23 02:33:08,842 INFO L448 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L451 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: true [2018-11-23 02:33:08,843 INFO L451 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-23 02:33:08,843 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))) [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-11-23 02:33:08,843 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))) [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-11-23 02:33:08,843 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-11-23 02:33:08,843 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))) [2018-11-23 02:33:08,843 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-11-23 02:33:08,844 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))) [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 541 547) no Hoare annotation was computed. [2018-11-23 02:33:08,844 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 541 547) the Hoare annotation is: true [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:33:08,844 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 02:33:08,844 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 877 884) no Hoare annotation was computed. [2018-11-23 02:33:08,844 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))) [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 877 884) no Hoare annotation was computed. [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-11-23 02:33:08,844 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))) [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 953 960) no Hoare annotation was computed. [2018-11-23 02:33:08,844 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-11-23 02:33:08,844 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 953 960) the Hoare annotation is: true [2018-11-23 02:33:08,845 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 953 960) no Hoare annotation was computed. [2018-11-23 02:33:08,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:33:08 BoogieIcfgContainer [2018-11-23 02:33:08,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:33:08,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:33:08,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:33:08,854 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:33:08,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:50" (3/4) ... [2018-11-23 02:33:08,858 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:33:08,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 02:33:08,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 02:33:08,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:33:08,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 02:33:08,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 02:33:08,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 02:33:08,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 02:33:08,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 02:33:08,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 02:33:08,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 02:33:08,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 02:33:08,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 02:33:08,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 02:33:08,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 02:33:08,870 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 02:33:08,870 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 02:33:08,871 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 02:33:08,871 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 02:33:08,871 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:33:08,872 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:33:08,872 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:33:08,897 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) [2018-11-23 02:33:08,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 02:33:08,931 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9180c26-cf94-4076-b7ad-d790e4088d55/bin-2019/utaipan/witness.graphml [2018-11-23 02:33:08,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:33:08,932 INFO L168 Benchmark]: Toolchain (without parser) took 19512.96 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 955.5 MB in the beginning and 1.6 GB in the end (delta: -652.9 MB). Peak memory consumption was 373.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:33:08,932 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:33:08,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:33:08,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:33:08,933 INFO L168 Benchmark]: Boogie Preprocessor took 32.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:33:08,933 INFO L168 Benchmark]: RCFGBuilder took 513.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:33:08,933 INFO L168 Benchmark]: TraceAbstraction took 18466.40 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 882.4 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -552.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 02:33:08,933 INFO L168 Benchmark]: Witness Printer took 76.93 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:33:08,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 513.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18466.40 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 882.4 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -552.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 76.93 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 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, 18.4s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2801 SDtfs, 2249 SDslu, 10571 SDs, 0 SdLazy, 4750 SolverSat, 1130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1215 GetRequests, 1004 SyntacticMatches, 19 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 1.6s 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, 2.3s 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, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 18486 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s 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...