./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product64_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/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 d5d7e7efc35ba4bdb3849277724b5f801bec138c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:16:39,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:16:39,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:16:39,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:16:39,527 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:16:39,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:16:39,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:16:39,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:16:39,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:16:39,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:16:39,532 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:16:39,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:16:39,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:16:39,534 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:16:39,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:16:39,535 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:16:39,536 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:16:39,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:16:39,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:16:39,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:16:39,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:16:39,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:16:39,543 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:16:39,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:16:39,543 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:16:39,544 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:16:39,544 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:16:39,545 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:16:39,545 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:16:39,546 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:16:39,546 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:16:39,547 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:16:39,547 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:16:39,547 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:16:39,548 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:16:39,548 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:16:39,548 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:16:39,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:16:39,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:16:39,559 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:16:39,559 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:16:39,559 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:16:39,560 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:16:39,560 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:16:39,560 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:16:39,560 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:16:39,560 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:16:39,560 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:16:39,560 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:16:39,560 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:16:39,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:16:39,561 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:16:39,561 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:16:39,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:16:39,562 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:16:39,562 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:16:39,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:16:39,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:16:39,562 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:16:39,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:16:39,562 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:16:39,563 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:16:39,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:16:39,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:16:39,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:16:39,563 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:16:39,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:16:39,564 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:16:39,564 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:16:39,564 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:16:39,564 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:16:39,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:16:39,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:16:39,564 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:16:39,564 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_c653b992-1255-455d-bb25-05a3883e6681/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 -> d5d7e7efc35ba4bdb3849277724b5f801bec138c [2018-11-18 17:16:39,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:16:39,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:16:39,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:16:39,601 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:16:39,602 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:16:39,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product64_true-unreach-call_false-termination.cil.c [2018-11-18 17:16:39,643 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/data/57a954881/f051f94fa6c9488a97f882bd054194bb/FLAG4f61679d1 [2018-11-18 17:16:40,078 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:16:40,079 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/sv-benchmarks/c/product-lines/minepump_spec5_product64_true-unreach-call_false-termination.cil.c [2018-11-18 17:16:40,086 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/data/57a954881/f051f94fa6c9488a97f882bd054194bb/FLAG4f61679d1 [2018-11-18 17:16:40,095 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/data/57a954881/f051f94fa6c9488a97f882bd054194bb [2018-11-18 17:16:40,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:16:40,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:16:40,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:16:40,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:16:40,100 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:16:40,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a0f02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40, skipping insertion in model container [2018-11-18 17:16:40,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:16:40,142 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:16:40,351 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:16:40,359 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:16:40,472 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:16:40,496 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:16:40,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40 WrapperNode [2018-11-18 17:16:40,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:16:40,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:16:40,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:16:40,498 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:16:40,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:16:40,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:16:40,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:16:40,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:16:40,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... [2018-11-18 17:16:40,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:16:40,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:16:40,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:16:40,560 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:16:40,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/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 [2018-11-18 17:16:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:16:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:16:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 17:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 17:16:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 17:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 17:16:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:16:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:16:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:16:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 17:16:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 17:16:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:16:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:16:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:16:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:16:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:16:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:16:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 17:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 17:16:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:16:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 17:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 17:16:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 17:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 17:16:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:16:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:16:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:16:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:16:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:16:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 17:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 17:16:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:16:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:16:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:16:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:16:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:16:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:16:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:16:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:16:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:16:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:16:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:16:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:16:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:16:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:16:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:16:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:16:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:16:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:16:41,129 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:16:41,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:41 BoogieIcfgContainer [2018-11-18 17:16:41,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:16:41,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:16:41,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:16:41,134 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:16:41,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:16:40" (1/3) ... [2018-11-18 17:16:41,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12aa9d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:16:41, skipping insertion in model container [2018-11-18 17:16:41,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:40" (2/3) ... [2018-11-18 17:16:41,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12aa9d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:16:41, skipping insertion in model container [2018-11-18 17:16:41,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:41" (3/3) ... [2018-11-18 17:16:41,138 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64_true-unreach-call_false-termination.cil.c [2018-11-18 17:16:41,147 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:16:41,155 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:16:41,169 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:16:41,196 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:16:41,197 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:16:41,197 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:16:41,197 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:16:41,197 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:16:41,197 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:16:41,197 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:16:41,197 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:16:41,215 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states. [2018-11-18 17:16:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 17:16:41,223 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:41,224 INFO L375 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] [2018-11-18 17:16:41,227 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:41,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:41,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1561587635, now seen corresponding path program 1 times [2018-11-18 17:16:41,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:41,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:41,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:41,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:41,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:41,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:41,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:16:41,450 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:41,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:16:41,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:16:41,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:16:41,463 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 2 states. [2018-11-18 17:16:41,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:41,497 INFO L93 Difference]: Finished difference Result 346 states and 427 transitions. [2018-11-18 17:16:41,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:16:41,498 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 17:16:41,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:41,507 INFO L225 Difference]: With dead ends: 346 [2018-11-18 17:16:41,508 INFO L226 Difference]: Without dead ends: 175 [2018-11-18 17:16:41,511 INFO L604 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 [2018-11-18 17:16:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-11-18 17:16:41,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-11-18 17:16:41,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 17:16:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 207 transitions. [2018-11-18 17:16:41,552 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 207 transitions. Word has length 59 [2018-11-18 17:16:41,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:41,553 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 207 transitions. [2018-11-18 17:16:41,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:16:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 207 transitions. [2018-11-18 17:16:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 17:16:41,556 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:41,556 INFO L375 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] [2018-11-18 17:16:41,556 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:41,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:41,557 INFO L82 PathProgramCache]: Analyzing trace with hash -694781333, now seen corresponding path program 1 times [2018-11-18 17:16:41,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:41,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:41,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:41,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:41,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:41,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:41,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:16:41,642 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:41,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:16:41,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:16:41,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:16:41,645 INFO L87 Difference]: Start difference. First operand 175 states and 207 transitions. Second operand 3 states. [2018-11-18 17:16:41,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:41,667 INFO L93 Difference]: Finished difference Result 283 states and 335 transitions. [2018-11-18 17:16:41,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:16:41,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 17:16:41,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:41,670 INFO L225 Difference]: With dead ends: 283 [2018-11-18 17:16:41,670 INFO L226 Difference]: Without dead ends: 165 [2018-11-18 17:16:41,672 INFO L604 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 [2018-11-18 17:16:41,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-18 17:16:41,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-11-18 17:16:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-18 17:16:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 194 transitions. [2018-11-18 17:16:41,687 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 194 transitions. Word has length 61 [2018-11-18 17:16:41,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:41,687 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 194 transitions. [2018-11-18 17:16:41,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:16:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2018-11-18 17:16:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 17:16:41,689 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:41,689 INFO L375 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] [2018-11-18 17:16:41,689 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:41,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:41,690 INFO L82 PathProgramCache]: Analyzing trace with hash 974945360, now seen corresponding path program 1 times [2018-11-18 17:16:41,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:41,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:41,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:41,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:41,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:41,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:41,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:16:41,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:41,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:16:41,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:16:41,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:16:41,867 INFO L87 Difference]: Start difference. First operand 165 states and 194 transitions. Second operand 7 states. [2018-11-18 17:16:42,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:42,382 INFO L93 Difference]: Finished difference Result 496 states and 603 transitions. [2018-11-18 17:16:42,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:16:42,383 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 17:16:42,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:42,386 INFO L225 Difference]: With dead ends: 496 [2018-11-18 17:16:42,386 INFO L226 Difference]: Without dead ends: 359 [2018-11-18 17:16:42,387 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:16:42,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-18 17:16:42,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 347. [2018-11-18 17:16:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-11-18 17:16:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 421 transitions. [2018-11-18 17:16:42,423 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 421 transitions. Word has length 66 [2018-11-18 17:16:42,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:42,423 INFO L480 AbstractCegarLoop]: Abstraction has 347 states and 421 transitions. [2018-11-18 17:16:42,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:16:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 421 transitions. [2018-11-18 17:16:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 17:16:42,426 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:42,426 INFO L375 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] [2018-11-18 17:16:42,427 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:42,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:42,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1620348517, now seen corresponding path program 1 times [2018-11-18 17:16:42,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:42,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:42,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:42,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:42,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:16:42,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:42,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:16:42,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:42,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:16:42,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:16:42,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:16:42,532 INFO L87 Difference]: Start difference. First operand 347 states and 421 transitions. Second operand 7 states. [2018-11-18 17:16:43,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:43,104 INFO L93 Difference]: Finished difference Result 891 states and 1145 transitions. [2018-11-18 17:16:43,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:16:43,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 17:16:43,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:43,108 INFO L225 Difference]: With dead ends: 891 [2018-11-18 17:16:43,108 INFO L226 Difference]: Without dead ends: 572 [2018-11-18 17:16:43,110 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:16:43,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-11-18 17:16:43,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 515. [2018-11-18 17:16:43,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-18 17:16:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 614 transitions. [2018-11-18 17:16:43,147 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 614 transitions. Word has length 71 [2018-11-18 17:16:43,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:43,147 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 614 transitions. [2018-11-18 17:16:43,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:16:43,147 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 614 transitions. [2018-11-18 17:16:43,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 17:16:43,150 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:43,150 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:43,150 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:43,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:43,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1841440114, now seen corresponding path program 1 times [2018-11-18 17:16:43,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:43,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:43,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:43,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:43,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:43,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:43,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:16:43,231 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:43,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:16:43,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:16:43,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:16:43,232 INFO L87 Difference]: Start difference. First operand 515 states and 614 transitions. Second operand 6 states. [2018-11-18 17:16:43,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:43,271 INFO L93 Difference]: Finished difference Result 1016 states and 1252 transitions. [2018-11-18 17:16:43,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:16:43,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2018-11-18 17:16:43,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:43,275 INFO L225 Difference]: With dead ends: 1016 [2018-11-18 17:16:43,275 INFO L226 Difference]: Without dead ends: 529 [2018-11-18 17:16:43,276 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:16:43,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-11-18 17:16:43,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 525. [2018-11-18 17:16:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-11-18 17:16:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 624 transitions. [2018-11-18 17:16:43,298 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 624 transitions. Word has length 114 [2018-11-18 17:16:43,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:43,298 INFO L480 AbstractCegarLoop]: Abstraction has 525 states and 624 transitions. [2018-11-18 17:16:43,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:16:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 624 transitions. [2018-11-18 17:16:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 17:16:43,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:43,300 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:43,300 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:43,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:43,300 INFO L82 PathProgramCache]: Analyzing trace with hash -514365136, now seen corresponding path program 1 times [2018-11-18 17:16:43,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:43,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:43,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:43,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:43,303 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:43,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:43,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:16:43,393 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:43,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:16:43,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:16:43,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:16:43,394 INFO L87 Difference]: Start difference. First operand 525 states and 624 transitions. Second operand 8 states. [2018-11-18 17:16:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:43,424 INFO L93 Difference]: Finished difference Result 1036 states and 1272 transitions. [2018-11-18 17:16:43,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:16:43,425 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2018-11-18 17:16:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:43,428 INFO L225 Difference]: With dead ends: 1036 [2018-11-18 17:16:43,428 INFO L226 Difference]: Without dead ends: 539 [2018-11-18 17:16:43,429 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:16:43,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-11-18 17:16:43,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2018-11-18 17:16:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-11-18 17:16:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 632 transitions. [2018-11-18 17:16:43,446 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 632 transitions. Word has length 114 [2018-11-18 17:16:43,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:43,447 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 632 transitions. [2018-11-18 17:16:43,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:16:43,447 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 632 transitions. [2018-11-18 17:16:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 17:16:43,449 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:43,449 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:43,450 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:43,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:43,450 INFO L82 PathProgramCache]: Analyzing trace with hash 254804879, now seen corresponding path program 1 times [2018-11-18 17:16:43,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:43,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:43,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:43,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:43,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:43,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:43,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:16:43,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:43,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:16:43,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:16:43,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:16:43,537 INFO L87 Difference]: Start difference. First operand 533 states and 632 transitions. Second operand 4 states. [2018-11-18 17:16:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:43,721 INFO L93 Difference]: Finished difference Result 1664 states and 2066 transitions. [2018-11-18 17:16:43,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:16:43,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-11-18 17:16:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:43,725 INFO L225 Difference]: With dead ends: 1664 [2018-11-18 17:16:43,725 INFO L226 Difference]: Without dead ends: 1159 [2018-11-18 17:16:43,727 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:16:43,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2018-11-18 17:16:43,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1142. [2018-11-18 17:16:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1142 states. [2018-11-18 17:16:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1393 transitions. [2018-11-18 17:16:43,768 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1393 transitions. Word has length 114 [2018-11-18 17:16:43,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:43,768 INFO L480 AbstractCegarLoop]: Abstraction has 1142 states and 1393 transitions. [2018-11-18 17:16:43,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:16:43,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1393 transitions. [2018-11-18 17:16:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 17:16:43,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:43,771 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:43,771 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:43,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:43,771 INFO L82 PathProgramCache]: Analyzing trace with hash -861451179, now seen corresponding path program 1 times [2018-11-18 17:16:43,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:43,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:43,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:43,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:43,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:43,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:43,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:16:43,889 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:43,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:16:43,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:16:43,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:16:43,890 INFO L87 Difference]: Start difference. First operand 1142 states and 1393 transitions. Second operand 9 states. [2018-11-18 17:16:44,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:44,686 INFO L93 Difference]: Finished difference Result 3118 states and 3970 transitions. [2018-11-18 17:16:44,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:16:44,687 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2018-11-18 17:16:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:44,693 INFO L225 Difference]: With dead ends: 3118 [2018-11-18 17:16:44,693 INFO L226 Difference]: Without dead ends: 2203 [2018-11-18 17:16:44,695 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:16:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2203 states. [2018-11-18 17:16:44,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2203 to 1963. [2018-11-18 17:16:44,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1963 states. [2018-11-18 17:16:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 2354 transitions. [2018-11-18 17:16:44,766 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 2354 transitions. Word has length 118 [2018-11-18 17:16:44,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:44,766 INFO L480 AbstractCegarLoop]: Abstraction has 1963 states and 2354 transitions. [2018-11-18 17:16:44,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:16:44,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2354 transitions. [2018-11-18 17:16:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 17:16:44,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:44,770 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:44,771 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:44,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:44,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1852461835, now seen corresponding path program 1 times [2018-11-18 17:16:44,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:44,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:44,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:44,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:44,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 17:16:44,896 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:44,897 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:16:44,897 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-18 17:16:44,898 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [76], [77], [78], [80], [83], [87], [88], [89], [93], [95], [96], [99], [103], [104], [105], [108], [110], [116], [120], [123], [124], [125], [129], [135], [139], [143], [146], [149], [151], [157], [159], [165], [171], [179], [180], [181], [182], [183], [184], [185], [187], [192], [195], [196], [198], [203], [205], [206], [207], [208], [216], [217], [248], [251], [255], [261], [264], [268], [269], [273], [276], [278], [281], [288], [291], [296], [300], [301], [304], [305], [306], [307], [308], [309], [310], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [326], [327], [328], [329], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345], [346], [347], [348], [349], [356], [357], [360], [361], [362], [363], [364], [365], [370], [371], [372], [373], [374], [375], [376], [377], [378], [379], [380], [382], [383], [384], [385], [388], [389] [2018-11-18 17:16:44,926 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:16:44,926 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:16:46,220 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:16:46,221 INFO L272 AbstractInterpreter]: Visited 154 different actions 743 times. Merged at 17 different actions 48 times. Never widened. Performed 23876 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23876 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 17:16:46,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:46,241 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:16:46,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:46,241 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/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 [2018-11-18 17:16:46,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:46,258 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:16:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:46,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:16:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:16:46,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:16:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 17:16:47,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:16:47,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 17:16:47,036 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:16:47,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 17:16:47,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 17:16:47,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:16:47,037 INFO L87 Difference]: Start difference. First operand 1963 states and 2354 transitions. Second operand 16 states. [2018-11-18 17:16:48,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:48,092 INFO L93 Difference]: Finished difference Result 4435 states and 5522 transitions. [2018-11-18 17:16:48,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 17:16:48,093 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 197 [2018-11-18 17:16:48,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:48,100 INFO L225 Difference]: With dead ends: 4435 [2018-11-18 17:16:48,100 INFO L226 Difference]: Without dead ends: 2693 [2018-11-18 17:16:48,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 386 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 17:16:48,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2018-11-18 17:16:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2431. [2018-11-18 17:16:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2431 states. [2018-11-18 17:16:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 2863 transitions. [2018-11-18 17:16:48,194 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 2863 transitions. Word has length 197 [2018-11-18 17:16:48,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:48,195 INFO L480 AbstractCegarLoop]: Abstraction has 2431 states and 2863 transitions. [2018-11-18 17:16:48,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 17:16:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2863 transitions. [2018-11-18 17:16:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-11-18 17:16:48,201 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:48,201 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:48,201 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:48,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:48,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1948726163, now seen corresponding path program 1 times [2018-11-18 17:16:48,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:48,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:48,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:48,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:48,203 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 143 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-18 17:16:48,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:48,436 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:16:48,437 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 381 with the following transitions: [2018-11-18 17:16:48,437 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [72], [74], [75], [76], [77], [78], [80], [83], [87], [88], [89], [93], [95], [96], [97], [98], [99], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [129], [135], [139], [143], [146], [149], [151], [157], [159], [162], [165], [168], [171], [179], [180], [181], [182], [183], [184], [185], [187], [192], [195], [196], [198], [203], [205], [206], [207], [208], [216], [217], [248], [251], [255], [258], [261], [264], [268], [269], [273], [276], [278], [281], [288], [291], [292], [293], [296], [298], [300], [301], [304], [305], [306], [307], [308], [309], [310], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [326], [327], [328], [329], [332], [333], [334], [335], [336], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [352], [353], [354], [355], [356], [357], [360], [361], [362], [363], [364], [365], [370], [371], [372], [373], [374], [375], [376], [377], [378], [379], [380], [382], [383], [384], [385], [388], [389] [2018-11-18 17:16:48,442 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:16:48,442 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:16:51,954 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:16:51,954 INFO L272 AbstractInterpreter]: Visited 172 different actions 2032 times. Merged at 26 different actions 177 times. Widened at 1 different actions 1 times. Performed 83919 root evaluator evaluations with a maximum evaluation depth of 5. Performed 83919 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 55 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 17:16:51,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:51,956 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:16:51,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:51,956 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/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 [2018-11-18 17:16:51,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:51,962 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:16:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:52,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:16:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-11-18 17:16:52,240 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:16:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 111 proven. 52 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2018-11-18 17:16:52,858 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:16:52,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 17:16:52,858 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:16:52,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 17:16:52,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 17:16:52,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 17:16:52,859 INFO L87 Difference]: Start difference. First operand 2431 states and 2863 transitions. Second operand 18 states. [2018-11-18 17:16:56,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:56,035 INFO L93 Difference]: Finished difference Result 6588 states and 8181 transitions. [2018-11-18 17:16:56,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 17:16:56,036 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 380 [2018-11-18 17:16:56,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:56,051 INFO L225 Difference]: With dead ends: 6588 [2018-11-18 17:16:56,051 INFO L226 Difference]: Without dead ends: 3557 [2018-11-18 17:16:56,059 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 809 GetRequests, 749 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-11-18 17:16:56,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states. [2018-11-18 17:16:56,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 3319. [2018-11-18 17:16:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3319 states. [2018-11-18 17:16:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 3319 states and 3860 transitions. [2018-11-18 17:16:56,236 INFO L78 Accepts]: Start accepts. Automaton has 3319 states and 3860 transitions. Word has length 380 [2018-11-18 17:16:56,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:56,236 INFO L480 AbstractCegarLoop]: Abstraction has 3319 states and 3860 transitions. [2018-11-18 17:16:56,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 17:16:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 3860 transitions. [2018-11-18 17:16:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2018-11-18 17:16:56,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:56,247 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:56,248 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:56,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:56,248 INFO L82 PathProgramCache]: Analyzing trace with hash -279601387, now seen corresponding path program 1 times [2018-11-18 17:16:56,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:56,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:56,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:56,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:56,249 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 119 proven. 16 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2018-11-18 17:16:56,430 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:56,430 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:16:56,430 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 432 with the following transitions: [2018-11-18 17:16:56,430 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [72], [74], [75], [76], [77], [78], [80], [85], [87], [88], [89], [93], [95], [96], [97], [98], [99], [102], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [129], [135], [139], [143], [146], [149], [151], [157], [159], [165], [168], [171], [179], [180], [181], [182], [183], [184], [185], [187], [192], [195], [196], [198], [201], [203], [205], [206], [207], [208], [216], [217], [248], [251], [255], [261], [264], [268], [269], [273], [276], [278], [281], [284], [288], [291], [296], [300], [301], [304], [305], [306], [307], [308], [309], [310], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [326], [327], [328], [329], [332], [333], [334], [335], [336], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [354], [355], [356], [357], [360], [361], [362], [363], [364], [365], [370], [371], [372], [373], [374], [375], [376], [377], [378], [379], [380], [382], [383], [384], [385], [386], [387], [388], [389] [2018-11-18 17:16:56,433 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:16:56,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:16:59,934 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:16:59,935 INFO L272 AbstractInterpreter]: Visited 166 different actions 2267 times. Merged at 41 different actions 467 times. Widened at 1 different actions 3 times. Performed 95538 root evaluator evaluations with a maximum evaluation depth of 5. Performed 95538 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 93 fixpoints after 10 different actions. Largest state had 135 variables. [2018-11-18 17:16:59,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:59,937 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:16:59,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:59,937 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:16:59,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:59,945 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:17:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:00,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:17:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-11-18 17:17:00,132 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:17:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2018-11-18 17:17:00,618 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:17:00,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [9] total 11 [2018-11-18 17:17:00,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:00,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:17:00,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:17:00,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:17:00,619 INFO L87 Difference]: Start difference. First operand 3319 states and 3860 transitions. Second operand 3 states. [2018-11-18 17:17:00,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:00,736 INFO L93 Difference]: Finished difference Result 5297 states and 6174 transitions. [2018-11-18 17:17:00,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:17:00,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 431 [2018-11-18 17:17:00,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:00,745 INFO L225 Difference]: With dead ends: 5297 [2018-11-18 17:17:00,746 INFO L226 Difference]: Without dead ends: 2041 [2018-11-18 17:17:00,752 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 863 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:17:00,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2018-11-18 17:17:00,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 2001. [2018-11-18 17:17:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2018-11-18 17:17:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2293 transitions. [2018-11-18 17:17:00,855 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2293 transitions. Word has length 431 [2018-11-18 17:17:00,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:00,856 INFO L480 AbstractCegarLoop]: Abstraction has 2001 states and 2293 transitions. [2018-11-18 17:17:00,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:17:00,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2293 transitions. [2018-11-18 17:17:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-11-18 17:17:00,864 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:00,864 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:00,864 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:00,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:00,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1623677902, now seen corresponding path program 1 times [2018-11-18 17:17:00,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:00,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:00,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:00,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:00,865 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 116 proven. 12 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-11-18 17:17:01,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:17:01,018 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:17:01,018 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 403 with the following transitions: [2018-11-18 17:17:01,018 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [72], [74], [75], [76], [77], [78], [80], [85], [87], [88], [89], [93], [95], [96], [97], [98], [99], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [129], [135], [139], [143], [146], [149], [151], [157], [159], [162], [165], [168], [171], [179], [180], [181], [182], [183], [184], [185], [187], [192], [195], [196], [198], [203], [205], [206], [207], [208], [216], [217], [248], [251], [255], [258], [261], [264], [268], [269], [273], [276], [278], [281], [288], [291], [292], [293], [296], [300], [301], [304], [305], [306], [307], [308], [309], [310], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [326], [327], [328], [329], [332], [333], [334], [335], [336], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [352], [353], [354], [355], [356], [357], [360], [361], [362], [363], [364], [365], [370], [371], [372], [373], [374], [375], [376], [377], [378], [379], [380], [382], [383], [384], [385], [388], [389] [2018-11-18 17:17:01,021 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:17:01,021 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:17:03,136 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:17:03,136 INFO L272 AbstractInterpreter]: Visited 166 different actions 1516 times. Merged at 27 different actions 167 times. Never widened. Performed 53545 root evaluator evaluations with a maximum evaluation depth of 5. Performed 53545 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 51 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-18 17:17:03,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:03,138 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:17:03,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:17:03,138 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:17:03,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:03,144 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:17:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:03,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:17:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-18 17:17:03,388 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:17:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 116 proven. 12 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-11-18 17:17:03,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:17:03,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 17:17:03,692 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:03,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:17:03,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:17:03,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:17:03,693 INFO L87 Difference]: Start difference. First operand 2001 states and 2293 transitions. Second operand 6 states. [2018-11-18 17:17:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:03,802 INFO L93 Difference]: Finished difference Result 2432 states and 2770 transitions. [2018-11-18 17:17:03,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:17:03,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 402 [2018-11-18 17:17:03,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:03,804 INFO L225 Difference]: With dead ends: 2432 [2018-11-18 17:17:03,804 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:17:03,808 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 815 GetRequests, 799 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:17:03,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:17:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:17:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:17:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:17:03,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 402 [2018-11-18 17:17:03,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:03,809 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:17:03,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:17:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:17:03,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:17:03,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:17:03,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:03,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:03,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:04,794 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2018-11-18 17:17:05,120 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 40 [2018-11-18 17:17:05,739 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2018-11-18 17:17:06,015 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2018-11-18 17:17:06,174 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2018-11-18 17:17:06,290 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 26 [2018-11-18 17:17:06,400 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 34 [2018-11-18 17:17:06,678 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-11-18 17:17:07,901 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2018-11-18 17:17:07,919 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse3) (or .cse1 .cse2 .cse7 .cse6 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse3))) [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-18 17:17:07,920 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-18 17:17:07,920 INFO L421 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~systemActive~0 0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse4 .cse0 .cse6) (or .cse4 .cse2 .cse0 .cse5 .cse6) (or .cse2 .cse0 .cse5 .cse1) (or .cse3 (or .cse5 (or .cse2 .cse1))))) [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L428 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 620 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L421 ceAbstractionStarter]: At program point L632(line 632) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~8 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,921 INFO L421 ceAbstractionStarter]: At program point L632-1(line 632) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~8 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L630(lines 630 637) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L421 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,921 INFO L421 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,921 INFO L421 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2018-11-18 17:17:07,921 INFO L421 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 17:17:07,921 INFO L421 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 17:17:07,921 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 255) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L421 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point L243(lines 243 260) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L421 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (or (or (= |old(~systemActive~0)| 0) .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 17:17:07,922 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 2))) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (or (or (= |old(~systemActive~0)| 0) .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or (or .cse1 .cse2) .cse0))) [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L428 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2018-11-18 17:17:07,922 INFO L425 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-11-18 17:17:07,923 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2018-11-18 17:17:07,923 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2018-11-18 17:17:07,923 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2018-11-18 17:17:07,923 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 606 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,923 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:17:07,923 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:17:07,923 INFO L421 ceAbstractionStarter]: At program point L611(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,923 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2018-11-18 17:17:07,923 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2018-11-18 17:17:07,923 INFO L428 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: true [2018-11-18 17:17:07,923 INFO L425 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-11-18 17:17:07,923 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2018-11-18 17:17:07,923 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2018-11-18 17:17:07,924 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2018-11-18 17:17:07,924 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2018-11-18 17:17:07,924 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 530) no Hoare annotation was computed. [2018-11-18 17:17:07,924 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2018-11-18 17:17:07,924 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2018-11-18 17:17:07,924 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2018-11-18 17:17:07,924 INFO L421 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 17:17:07,924 INFO L425 ceAbstractionStarter]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2018-11-18 17:17:07,924 INFO L421 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 17:17:07,924 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2018-11-18 17:17:07,924 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 17:17:07,925 INFO L421 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 17:17:07,925 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 281) no Hoare annotation was computed. [2018-11-18 17:17:07,925 INFO L421 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 17:17:07,925 INFO L425 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2018-11-18 17:17:07,925 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 286) no Hoare annotation was computed. [2018-11-18 17:17:07,925 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2018-11-18 17:17:07,925 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2018-11-18 17:17:07,925 INFO L425 ceAbstractionStarter]: For program point L128(lines 128 134) no Hoare annotation was computed. [2018-11-18 17:17:07,925 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,925 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2018-11-18 17:17:07,925 INFO L421 ceAbstractionStarter]: At program point L155(lines 108 157) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse3 .cse2) .cse4 .cse5) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse4 .cse5) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:17:07,926 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse6 (and .cse8 .cse1 .cse2)) (.cse0 (= 2 ~waterLevel~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse3 (and .cse8 .cse2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4 .cse5) (and .cse6 .cse7) (and .cse6 .cse0 .cse5) (not (= |old(~waterLevel~0)| 1)) (and (and .cse7 .cse3 .cse5) .cse4)))) [2018-11-18 17:17:07,926 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2018-11-18 17:17:07,926 INFO L425 ceAbstractionStarter]: For program point L118(lines 118 124) no Hoare annotation was computed. [2018-11-18 17:17:07,926 INFO L425 ceAbstractionStarter]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2018-11-18 17:17:07,926 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 114) no Hoare annotation was computed. [2018-11-18 17:17:07,926 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 108 157) no Hoare annotation was computed. [2018-11-18 17:17:07,926 INFO L421 ceAbstractionStarter]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:17:07,926 INFO L421 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) (and (not (= ~systemActive~0 0)) .cse0 .cse1)) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:17:07,926 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 152) no Hoare annotation was computed. [2018-11-18 17:17:07,926 INFO L421 ceAbstractionStarter]: At program point L146-1(lines 138 153) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and (and .cse3 .cse0 .cse2) .cse4) (and .cse3 .cse5 .cse1 .cse2) (and .cse3 .cse5 .cse2 .cse4) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:17:07,926 INFO L425 ceAbstractionStarter]: For program point L109(lines 108 157) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and (and (and .cse3 .cse0 .cse2) .cse5) .cse6) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse6 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 17:17:07,927 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L421 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2018-11-18 17:17:07,927 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2018-11-18 17:17:07,928 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 298 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-18 17:17:07,928 INFO L421 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-18 17:17:07,928 INFO L425 ceAbstractionStarter]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2018-11-18 17:17:07,928 INFO L425 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-18 17:17:07,928 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2018-11-18 17:17:07,928 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2018-11-18 17:17:07,928 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2018-11-18 17:17:07,928 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 392) no Hoare annotation was computed. [2018-11-18 17:17:07,928 INFO L428 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-18 17:17:07,928 INFO L425 ceAbstractionStarter]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2018-11-18 17:17:07,928 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2018-11-18 17:17:07,928 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2018-11-18 17:17:07,928 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: true [2018-11-18 17:17:07,929 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2018-11-18 17:17:07,929 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L428 ceAbstractionStarter]: At program point L570(lines 545 574) the Hoare annotation is: true [2018-11-18 17:17:07,929 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2018-11-18 17:17:07,929 INFO L425 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2018-11-18 17:17:07,929 INFO L428 ceAbstractionStarter]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2018-11-18 17:17:07,930 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 555 569) no Hoare annotation was computed. [2018-11-18 17:17:07,930 INFO L428 ceAbstractionStarter]: At program point L555-3(lines 555 569) the Hoare annotation is: true [2018-11-18 17:17:07,930 INFO L428 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2018-11-18 17:17:07,930 INFO L425 ceAbstractionStarter]: For program point L551-1(line 551) no Hoare annotation was computed. [2018-11-18 17:17:07,930 INFO L421 ceAbstractionStarter]: At program point L192(lines 192 198) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (and .cse5 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~pumpRunning~0 1) .cse4)) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (= 1 ~waterLevel~0))) (or .cse3 (or .cse0 .cse2) .cse6) (or .cse0 .cse1 .cse3 .cse7) (or .cse0 .cse6 .cse3 .cse7)))) [2018-11-18 17:17:07,930 INFO L421 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse3) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse4))) [2018-11-18 17:17:07,930 INFO L425 ceAbstractionStarter]: For program point L185(lines 181 203) no Hoare annotation was computed. [2018-11-18 17:17:07,930 INFO L425 ceAbstractionStarter]: For program point L183(lines 181 203) no Hoare annotation was computed. [2018-11-18 17:17:07,930 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse9)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse7 .cse0 .cse8 .cse6 .cse5) (or (and (= ~pumpRunning~0 1) .cse9) (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse7 .cse0 .cse2 .cse5 .cse8) (or (or .cse0 .cse6 .cse1) .cse3) (or .cse0 .cse6 .cse10 .cse11 .cse5) (or .cse0 .cse2 .cse11 .cse10 .cse5)))) [2018-11-18 17:17:07,931 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2018-11-18 17:17:07,931 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2018-11-18 17:17:07,931 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse5 .cse6) (or .cse3 .cse1 .cse4 .cse6) (or (or .cse3 .cse2) .cse5)))) [2018-11-18 17:17:07,931 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 443 454) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 17:17:07,931 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2018-11-18 17:17:07,931 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2018-11-18 17:17:07,931 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2018-11-18 17:17:07,931 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2018-11-18 17:17:07,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:17:07,931 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 17:17:07,931 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:17:07,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:17:07,932 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-18 17:17:07,932 INFO L421 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-18 17:17:07,932 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 229) no Hoare annotation was computed. [2018-11-18 17:17:07,932 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2018-11-18 17:17:07,932 INFO L421 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-18 17:17:07,932 INFO L425 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-11-18 17:17:07,932 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 234) no Hoare annotation was computed. [2018-11-18 17:17:07,932 INFO L421 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 17:17:07,932 INFO L425 ceAbstractionStarter]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2018-11-18 17:17:07,932 INFO L421 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 17:17:07,932 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2018-11-18 17:17:07,933 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: true [2018-11-18 17:17:07,933 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2018-11-18 17:17:07,933 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2018-11-18 17:17:07,933 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2018-11-18 17:17:07,933 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1 .cse4) .cse0) (or .cse0 .cse5 .cse6 .cse3 .cse2) (or .cse5 (or .cse4 .cse3) .cse6 .cse0) (or .cse0 (or .cse3 .cse1) .cse6 .cse2))) [2018-11-18 17:17:07,933 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2018-11-18 17:17:07,933 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2018-11-18 17:17:07,933 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2018-11-18 17:17:07,933 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2018-11-18 17:17:07,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:17:07 BoogieIcfgContainer [2018-11-18 17:17:07,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:17:07,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:17:07,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:17:07,944 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:17:07,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:41" (3/4) ... [2018-11-18 17:17:07,949 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:17:07,954 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:17:07,954 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:17:07,954 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:17:07,954 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:17:07,954 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:17:07,954 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:17:07,954 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:17:07,954 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:17:07,955 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:17:07,956 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 17:17:07,956 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 17:17:07,956 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:17:07,956 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:17:07,956 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:17:07,956 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:17:07,956 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:17:07,956 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:17:07,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:17:07,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 17:17:07,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:17:07,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:17:07,964 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 17:17:07,968 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:17:07,969 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:17:07,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 17:17:07,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 17:17:08,027 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c653b992-1255-455d-bb25-05a3883e6681/bin-2019/utaipan/witness.graphml [2018-11-18 17:17:08,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:17:08,028 INFO L168 Benchmark]: Toolchain (without parser) took 27930.35 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 955.4 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 904.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:08,028 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:08,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:08,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.91 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. [2018-11-18 17:17:08,029 INFO L168 Benchmark]: Boogie Preprocessor took 31.34 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:08,029 INFO L168 Benchmark]: RCFGBuilder took 569.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:08,029 INFO L168 Benchmark]: TraceAbstraction took 26812.27 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-18 17:17:08,030 INFO L168 Benchmark]: Witness Printer took 83.44 ms. Allocated memory is still 3.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 88.4 kB). Peak memory consumption was 88.4 kB. Max. memory is 11.5 GB. [2018-11-18 17:17:08,031 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.91 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 31.34 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 569.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26812.27 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 83.44 ms. Allocated memory is still 3.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 88.4 kB). Peak memory consumption was 88.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 188 locations, 1 error locations. SAFE Result, 26.7s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3021 SDtfs, 2938 SDslu, 8898 SDs, 0 SdLazy, 6813 SolverSat, 1476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3008 GetRequests, 2833 SyntacticMatches, 20 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3319occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.4s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 876 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 5451 PreInvPairs, 5610 NumberOfFragments, 2685 HoareAnnotationTreeSize, 5451 FomulaSimplifications, 16805 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 77 FomulaSimplificationsInter, 32035 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3537 NumberOfCodeBlocks, 3537 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4927 ConstructedInterpolants, 0 QuantifiedInterpolants, 2006878 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5231 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 5007/5157 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...