./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/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 3f8c4eddf293b722c8b0f77d2921f647762d8744 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:37:11,805 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:37:11,805 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:37:11,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:37:11,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:37:11,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:37:11,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:37:11,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:37:11,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:37:11,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:37:11,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:37:11,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:37:11,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:37:11,816 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:37:11,817 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:37:11,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:37:11,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:37:11,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:37:11,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:37:11,820 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:37:11,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:37:11,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:37:11,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:37:11,822 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:37:11,822 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:37:11,823 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:37:11,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:37:11,824 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:37:11,824 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:37:11,825 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:37:11,825 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:37:11,825 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:37:11,825 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:37:11,825 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:37:11,826 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:37:11,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:37:11,826 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:37:11,833 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:37:11,833 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:37:11,833 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:37:11,834 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:37:11,834 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:37:11,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:37:11,835 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:37:11,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:37:11,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:37:11,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:37:11,837 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:37:11,837 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_51d75667-5616-486d-ac42-201ec0995255/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 -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2018-12-02 02:37:11,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:37:11,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:37:11,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:37:11,867 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:37:11,867 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:37:11,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-02 02:37:11,906 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/data/925ad8c9c/77e9438a5bab49b3a30b251edb8094c1/FLAGd9f57cf7c [2018-12-02 02:37:12,354 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:37:12,355 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-02 02:37:12,361 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/data/925ad8c9c/77e9438a5bab49b3a30b251edb8094c1/FLAGd9f57cf7c [2018-12-02 02:37:12,369 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/data/925ad8c9c/77e9438a5bab49b3a30b251edb8094c1 [2018-12-02 02:37:12,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:37:12,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:37:12,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:37:12,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:37:12,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:37:12,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12, skipping insertion in model container [2018-12-02 02:37:12,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:37:12,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:37:12,546 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:37:12,591 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:37:12,630 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:37:12,647 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:37:12,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12 WrapperNode [2018-12-02 02:37:12,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:37:12,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:37:12,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:37:12,648 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:37:12,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:37:12,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:37:12,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:37:12,668 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:37:12,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... [2018-12-02 02:37:12,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:37:12,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:37:12,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:37:12,691 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:37:12,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:37:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 02:37:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 02:37:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:37:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:37:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:37:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 02:37:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 02:37:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 02:37:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 02:37:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 02:37:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 02:37:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 02:37:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 02:37:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 02:37:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 02:37:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:37:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:37:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:37:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:37:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 02:37:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 02:37:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 02:37:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 02:37:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 02:37:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 02:37:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 02:37:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 02:37:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 02:37:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 02:37:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 02:37:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 02:37:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:37:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:37:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 02:37:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 02:37:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 02:37:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 02:37:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 02:37:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 02:37:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 02:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 02:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 02:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 02:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 02:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 02:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 02:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 02:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 02:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 02:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 02:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 02:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 02:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:37:13,004 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:37:13,004 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 02:37:13,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:37:13 BoogieIcfgContainer [2018-12-02 02:37:13,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:37:13,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:37:13,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:37:13,007 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:37:13,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:37:12" (1/3) ... [2018-12-02 02:37:13,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4152bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:37:13, skipping insertion in model container [2018-12-02 02:37:13,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:12" (2/3) ... [2018-12-02 02:37:13,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4152bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:37:13, skipping insertion in model container [2018-12-02 02:37:13,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:37:13" (3/3) ... [2018-12-02 02:37:13,009 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-02 02:37:13,016 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:37:13,021 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:37:13,031 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:37:13,050 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:37:13,050 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:37:13,050 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:37:13,050 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:37:13,050 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:37:13,050 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:37:13,051 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:37:13,051 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:37:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-12-02 02:37:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 02:37:13,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:13,069 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:13,070 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:13,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:13,074 INFO L82 PathProgramCache]: Analyzing trace with hash -47045203, now seen corresponding path program 1 times [2018-12-02 02:37:13,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:13,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:13,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:13,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:13,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:13,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:13,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:13,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:37:13,221 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:13,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:37:13,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:37:13,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:37:13,234 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-12-02 02:37:13,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:13,255 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2018-12-02 02:37:13,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:37:13,256 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 02:37:13,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:13,263 INFO L225 Difference]: With dead ends: 252 [2018-12-02 02:37:13,263 INFO L226 Difference]: Without dead ends: 128 [2018-12-02 02:37:13,265 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:37:13,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-02 02:37:13,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-02 02:37:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-02 02:37:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-12-02 02:37:13,294 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2018-12-02 02:37:13,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:13,295 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-12-02 02:37:13,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:37:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-12-02 02:37:13,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 02:37:13,297 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:13,297 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:13,297 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:13,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:13,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1778182562, now seen corresponding path program 1 times [2018-12-02 02:37:13,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:13,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:13,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:13,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:13,298 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:13,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:13,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:37:13,355 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:13,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:37:13,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:37:13,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:37:13,357 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-12-02 02:37:13,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:13,370 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2018-12-02 02:37:13,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:37:13,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 02:37:13,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:13,371 INFO L225 Difference]: With dead ends: 201 [2018-12-02 02:37:13,371 INFO L226 Difference]: Without dead ends: 119 [2018-12-02 02:37:13,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:37:13,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-02 02:37:13,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-02 02:37:13,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-02 02:37:13,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-12-02 02:37:13,379 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2018-12-02 02:37:13,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:13,380 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-12-02 02:37:13,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:37:13,380 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-02 02:37:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 02:37:13,381 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:13,381 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:13,381 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:13,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:13,381 INFO L82 PathProgramCache]: Analyzing trace with hash -236607735, now seen corresponding path program 1 times [2018-12-02 02:37:13,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:13,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:13,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:13,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:13,382 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:13,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:13,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:37:13,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:13,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:37:13,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:37:13,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:37:13,454 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-12-02 02:37:13,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:13,638 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2018-12-02 02:37:13,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:37:13,638 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-02 02:37:13,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:13,639 INFO L225 Difference]: With dead ends: 210 [2018-12-02 02:37:13,639 INFO L226 Difference]: Without dead ends: 119 [2018-12-02 02:37:13,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:37:13,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-02 02:37:13,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-02 02:37:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-02 02:37:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2018-12-02 02:37:13,649 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2018-12-02 02:37:13,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:13,650 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2018-12-02 02:37:13,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:37:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2018-12-02 02:37:13,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 02:37:13,651 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:13,651 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:13,652 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:13,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:13,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1269437359, now seen corresponding path program 1 times [2018-12-02 02:37:13,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:13,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:13,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:13,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:13,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:13,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:13,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 02:37:13,739 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:13,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 02:37:13,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 02:37:13,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:37:13,740 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2018-12-02 02:37:14,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:14,023 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2018-12-02 02:37:14,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:37:14,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-02 02:37:14,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:14,025 INFO L225 Difference]: With dead ends: 306 [2018-12-02 02:37:14,025 INFO L226 Difference]: Without dead ends: 215 [2018-12-02 02:37:14,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:37:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-12-02 02:37:14,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2018-12-02 02:37:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-12-02 02:37:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2018-12-02 02:37:14,041 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2018-12-02 02:37:14,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:14,041 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2018-12-02 02:37:14,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 02:37:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2018-12-02 02:37:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 02:37:14,043 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:14,043 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:14,043 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:14,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:14,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1348279355, now seen corresponding path program 1 times [2018-12-02 02:37:14,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:14,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:14,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:14,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:14,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 02:37:14,122 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:14,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 02:37:14,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 02:37:14,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:37:14,123 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 8 states. [2018-12-02 02:37:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:14,152 INFO L93 Difference]: Finished difference Result 373 states and 443 transitions. [2018-12-02 02:37:14,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:37:14,152 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-12-02 02:37:14,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:14,154 INFO L225 Difference]: With dead ends: 373 [2018-12-02 02:37:14,155 INFO L226 Difference]: Without dead ends: 204 [2018-12-02 02:37:14,156 INFO L631 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 [2018-12-02 02:37:14,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-12-02 02:37:14,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2018-12-02 02:37:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-12-02 02:37:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 231 transitions. [2018-12-02 02:37:14,172 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 231 transitions. Word has length 83 [2018-12-02 02:37:14,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:14,173 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 231 transitions. [2018-12-02 02:37:14,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 02:37:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 231 transitions. [2018-12-02 02:37:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 02:37:14,174 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:14,174 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:14,174 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:14,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:14,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1370911609, now seen corresponding path program 1 times [2018-12-02 02:37:14,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:14,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:14,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:14,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:14,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:37:14,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:14,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:37:14,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:37:14,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:37:14,260 INFO L87 Difference]: Start difference. First operand 201 states and 231 transitions. Second operand 6 states. [2018-12-02 02:37:14,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:14,376 INFO L93 Difference]: Finished difference Result 529 states and 629 transitions. [2018-12-02 02:37:14,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:37:14,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-02 02:37:14,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:14,379 INFO L225 Difference]: With dead ends: 529 [2018-12-02 02:37:14,379 INFO L226 Difference]: Without dead ends: 356 [2018-12-02 02:37:14,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:37:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-12-02 02:37:14,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2018-12-02 02:37:14,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-12-02 02:37:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 402 transitions. [2018-12-02 02:37:14,403 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 402 transitions. Word has length 83 [2018-12-02 02:37:14,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:14,403 INFO L480 AbstractCegarLoop]: Abstraction has 350 states and 402 transitions. [2018-12-02 02:37:14,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:37:14,404 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 402 transitions. [2018-12-02 02:37:14,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 02:37:14,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:14,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:14,404 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:14,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:14,405 INFO L82 PathProgramCache]: Analyzing trace with hash -21266901, now seen corresponding path program 1 times [2018-12-02 02:37:14,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:14,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:14,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:14,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:14,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:37:14,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:14,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:37:14,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:37:14,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:37:14,473 INFO L87 Difference]: Start difference. First operand 350 states and 402 transitions. Second operand 7 states. [2018-12-02 02:37:14,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:14,746 INFO L93 Difference]: Finished difference Result 701 states and 828 transitions. [2018-12-02 02:37:14,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 02:37:14,747 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-02 02:37:14,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:14,748 INFO L225 Difference]: With dead ends: 701 [2018-12-02 02:37:14,748 INFO L226 Difference]: Without dead ends: 379 [2018-12-02 02:37:14,749 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 02:37:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-12-02 02:37:14,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 349. [2018-12-02 02:37:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-12-02 02:37:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 399 transitions. [2018-12-02 02:37:14,762 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 399 transitions. Word has length 87 [2018-12-02 02:37:14,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:14,762 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 399 transitions. [2018-12-02 02:37:14,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:37:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 399 transitions. [2018-12-02 02:37:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 02:37:14,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:14,764 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:14,764 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:14,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:14,764 INFO L82 PathProgramCache]: Analyzing trace with hash -345672316, now seen corresponding path program 1 times [2018-12-02 02:37:14,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:14,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:14,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,765 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:14,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:14,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:37:14,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:14,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:37:14,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:37:14,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:37:14,804 INFO L87 Difference]: Start difference. First operand 349 states and 399 transitions. Second operand 6 states. [2018-12-02 02:37:14,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:14,831 INFO L93 Difference]: Finished difference Result 680 states and 790 transitions. [2018-12-02 02:37:14,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:37:14,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-02 02:37:14,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:14,833 INFO L225 Difference]: With dead ends: 680 [2018-12-02 02:37:14,833 INFO L226 Difference]: Without dead ends: 359 [2018-12-02 02:37:14,833 INFO L631 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 [2018-12-02 02:37:14,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-12-02 02:37:14,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-12-02 02:37:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-12-02 02:37:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2018-12-02 02:37:14,845 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2018-12-02 02:37:14,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:14,845 INFO L480 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2018-12-02 02:37:14,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:37:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2018-12-02 02:37:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 02:37:14,846 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:14,846 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:14,846 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:14,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:14,847 INFO L82 PathProgramCache]: Analyzing trace with hash 2081408455, now seen corresponding path program 1 times [2018-12-02 02:37:14,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:14,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:14,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:14,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:14,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:14,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 02:37:14,888 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:14,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 02:37:14,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 02:37:14,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:37:14,889 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2018-12-02 02:37:14,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:14,993 INFO L93 Difference]: Finished difference Result 1076 states and 1296 transitions. [2018-12-02 02:37:14,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 02:37:14,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-02 02:37:14,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:14,996 INFO L225 Difference]: With dead ends: 1076 [2018-12-02 02:37:14,996 INFO L226 Difference]: Without dead ends: 745 [2018-12-02 02:37:14,996 INFO L631 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 [2018-12-02 02:37:14,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-12-02 02:37:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2018-12-02 02:37:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-12-02 02:37:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2018-12-02 02:37:15,022 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2018-12-02 02:37:15,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:15,022 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2018-12-02 02:37:15,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 02:37:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2018-12-02 02:37:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 02:37:15,024 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:15,024 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:15,024 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:15,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:15,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1819438657, now seen corresponding path program 1 times [2018-12-02 02:37:15,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:15,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:15,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:15,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:15,025 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:15,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:37:15,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:37:15,059 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:15,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:37:15,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:37:15,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:37:15,059 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2018-12-02 02:37:15,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:15,095 INFO L93 Difference]: Finished difference Result 744 states and 856 transitions. [2018-12-02 02:37:15,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:37:15,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-02 02:37:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:15,097 INFO L225 Difference]: With dead ends: 744 [2018-12-02 02:37:15,097 INFO L226 Difference]: Without dead ends: 741 [2018-12-02 02:37:15,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:37:15,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-12-02 02:37:15,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2018-12-02 02:37:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-12-02 02:37:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2018-12-02 02:37:15,120 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2018-12-02 02:37:15,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:15,121 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2018-12-02 02:37:15,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:37:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2018-12-02 02:37:15,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 02:37:15,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:15,123 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:37:15,123 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:15,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:15,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1243590183, now seen corresponding path program 1 times [2018-12-02 02:37:15,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:15,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:15,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:15,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:15,124 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 02:37:15,225 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:37:15,225 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:37:15,226 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-02 02:37:15,227 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [24], [26], [27], [30], [34], [35], [36], [39], [41], [47], [51], [54], [55], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [92], [107], [109], [112], [114], [117], [120], [123], [131], [132], [133], [134], [135], [136], [137], [138], [140], [145], [147], [148], [153], [155], [182], [183], [186], [189], [193], [199], [202], [206], [207], [211], [214], [216], [219], [226], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [251], [252], [254], [255], [256], [257], [260], [261], [262], [263], [264], [265], [266], [267], [268], [269], [272], [273], [274], [275], [276], [278], [279], [284], [285], [286], [287], [288], [289], [290], [291], [292], [294], [295], [296], [297], [300], [301] [2018-12-02 02:37:15,250 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:37:15,251 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:37:16,427 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:37:16,428 INFO L272 AbstractInterpreter]: Visited 120 different actions 647 times. Merged at 17 different actions 65 times. Never widened. Performed 27641 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27641 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 17 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-02 02:37:16,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:16,437 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:37:16,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:37:16,437 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:37:16,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:16,444 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:37:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:16,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:37:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 02:37:16,671 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:37:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 02:37:16,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 02:37:16,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 02:37:16,961 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:16,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 02:37:16,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 02:37:16,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 02:37:16,961 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 8 states. [2018-12-02 02:37:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:17,140 INFO L93 Difference]: Finished difference Result 1156 states and 1334 transitions. [2018-12-02 02:37:17,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:37:17,140 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-12-02 02:37:17,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:17,142 INFO L225 Difference]: With dead ends: 1156 [2018-12-02 02:37:17,142 INFO L226 Difference]: Without dead ends: 565 [2018-12-02 02:37:17,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 02:37:17,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-12-02 02:37:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 536. [2018-12-02 02:37:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-12-02 02:37:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 606 transitions. [2018-12-02 02:37:17,163 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 606 transitions. Word has length 150 [2018-12-02 02:37:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:17,163 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 606 transitions. [2018-12-02 02:37:17,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 02:37:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 606 transitions. [2018-12-02 02:37:17,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 02:37:17,164 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:37:17,165 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 02:37:17,165 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:37:17,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:17,165 INFO L82 PathProgramCache]: Analyzing trace with hash -294954383, now seen corresponding path program 1 times [2018-12-02 02:37:17,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:37:17,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:17,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:17,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:37:17,166 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:37:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 02:37:17,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:37:17,209 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:37:17,209 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-02 02:37:17,209 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [30], [34], [35], [36], [51], [54], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [92], [107], [109], [112], [114], [117], [120], [123], [131], [132], [133], [134], [135], [136], [137], [138], [140], [145], [147], [148], [153], [155], [182], [183], [189], [193], [199], [207], [211], [214], [216], [219], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [251], [252], [262], [263], [264], [265], [266], [267], [268], [269], [272], [273], [274], [275], [276], [278], [279], [286], [287], [288], [289], [290], [291], [292], [294], [295], [296], [297] [2018-12-02 02:37:17,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:37:17,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:37:17,878 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:37:17,878 INFO L272 AbstractInterpreter]: Visited 99 different actions 439 times. Merged at 13 different actions 43 times. Never widened. Performed 19381 root evaluator evaluations with a maximum evaluation depth of 3. Performed 19381 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-02 02:37:17,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:37:17,889 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:37:17,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:37:17,889 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:37:17,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:37:17,897 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:37:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:37:17,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:37:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:37:17,998 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:37:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 02:37:18,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 02:37:18,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-02 02:37:18,148 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:37:18,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:37:18,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:37:18,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:37:18,149 INFO L87 Difference]: Start difference. First operand 536 states and 606 transitions. Second operand 3 states. [2018-12-02 02:37:18,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:37:18,190 INFO L93 Difference]: Finished difference Result 861 states and 983 transitions. [2018-12-02 02:37:18,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:37:18,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-12-02 02:37:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:37:18,191 INFO L225 Difference]: With dead ends: 861 [2018-12-02 02:37:18,191 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:37:18,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:37:18,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:37:18,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:37:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:37:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:37:18,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-12-02 02:37:18,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:37:18,193 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:37:18,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:37:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:37:18,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:37:18,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:37:18,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:37:18,575 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-12-02 02:37:18,884 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-12-02 02:37:19,220 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-12-02 02:37:19,779 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-12-02 02:37:20,650 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2018-12-02 02:37:20,650 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2018-12-02 02:37:20,650 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2018-12-02 02:37:20,650 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2018-12-02 02:37:20,650 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2018-12-02 02:37:20,650 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,650 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,650 INFO L444 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,650 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2018-12-02 02:37:20,650 INFO L448 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L444 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,651 INFO L444 ceAbstractionStarter]: At program point L888-1(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2018-12-02 02:37:20,651 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-12-02 02:37:20,651 INFO L451 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-12-02 02:37:20,651 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse0 (or (< ~methaneLevelCritical~0 1) .cse2)))) [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse4 .cse1)))) [2018-12-02 02:37:20,652 INFO L444 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~1) .cse1) (or .cse2 .cse3)) (or .cse4 .cse3 .cse5) (or .cse1 .cse0 (or .cse3 .cse5)) (or .cse2 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse3 (or .cse5 .cse1)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-12-02 02:37:20,652 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse0 (or .cse1 .cse3)))) [2018-12-02 02:37:20,652 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 (or .cse1 .cse3)))) [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-12-02 02:37:20,653 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,653 INFO L444 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L444 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2))) [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-12-02 02:37:20,653 INFO L444 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-12-02 02:37:20,653 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2018-12-02 02:37:20,654 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L451 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 (or .cse6 .cse1) .cse7) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-12-02 02:37:20,655 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-12-02 02:37:20,655 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-02 02:37:20,655 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-12-02 02:37:20,656 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-12-02 02:37:20,656 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-12-02 02:37:20,656 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:37:20,656 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 02:37:20,656 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-02 02:37:20,657 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L444 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< |old(~pumpRunning~0)| 1) (or .cse0 .cse1)) (or (or .cse2 .cse0 .cse1) .cse3) (or .cse3 (< ~methaneLevelCritical~0 1) (or .cse2 .cse0) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2018-12-02 02:37:20,657 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-12-02 02:37:20,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:37:20 BoogieIcfgContainer [2018-12-02 02:37:20,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:37:20,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:37:20,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:37:20,665 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:37:20,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:37:13" (3/4) ... [2018-12-02 02:37:20,668 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 02:37:20,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 02:37:20,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 02:37:20,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 02:37:20,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 02:37:20,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 02:37:20,677 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 02:37:20,677 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:37:20,677 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:37:20,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-02 02:37:20,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 02:37:20,714 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_51d75667-5616-486d-ac42-201ec0995255/bin-2019/utaipan/witness.graphml [2018-12-02 02:37:20,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:37:20,715 INFO L168 Benchmark]: Toolchain (without parser) took 8343.86 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 534.2 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -267.6 MB). Peak memory consumption was 266.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:37:20,715 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:37:20,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 02:37:20,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:37:20,716 INFO L168 Benchmark]: Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:37:20,716 INFO L168 Benchmark]: RCFGBuilder took 314.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:37:20,716 INFO L168 Benchmark]: TraceAbstraction took 7660.17 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 438.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 550.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:37:20,716 INFO L168 Benchmark]: Witness Printer took 49.40 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:37:20,717 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 314.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7660.17 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 438.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 550.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.40 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1922 SDtfs, 1013 SDslu, 3719 SDs, 0 SdLazy, 1189 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 716 GetRequests, 631 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 470 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1256 PreInvPairs, 1307 NumberOfFragments, 2308 HoareAnnotationTreeSize, 1256 FomulaSimplifications, 5319 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 7088 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1349 NumberOfCodeBlocks, 1349 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 306747 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1754 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 269/285 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...