./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_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/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_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/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 [2018-12-08 19:46:56,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:46:56,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:46:56,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:46:56,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:46:56,069 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:46:56,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:46:56,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:46:56,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:46:56,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:46:56,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:46:56,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:46:56,072 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:46:56,073 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:46:56,073 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:46:56,074 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:46:56,074 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:46:56,075 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:46:56,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:46:56,077 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:46:56,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:46:56,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:46:56,079 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:46:56,079 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:46:56,079 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:46:56,080 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:46:56,080 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:46:56,081 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:46:56,081 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:46:56,082 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:46:56,082 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:46:56,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:46:56,082 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:46:56,082 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:46:56,083 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:46:56,083 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:46:56,083 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 19:46:56,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:46:56,091 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:46:56,092 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:46:56,092 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:46:56,092 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:46:56,092 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:46:56,092 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:46:56,092 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 19:46:56,092 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:46:56,093 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:46:56,093 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 19:46:56,093 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 19:46:56,093 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:46:56,093 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:46:56,093 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:46:56,094 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:46:56,094 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:46:56,094 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:46:56,094 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:46:56,094 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:46:56,094 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:46:56,094 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:46:56,094 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:46:56,095 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:46:56,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:46:56,095 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:46:56,095 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:46:56,095 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:46:56,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:46:56,095 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:46:56,096 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:46:56,096 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:46:56,096 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 19:46:56,096 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:46:56,096 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:46:56,096 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 19:46:56,096 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_01291584-0b34-4b35-ad2a-5c33d7743b82/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 [2018-12-08 19:46:56,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:46:56,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:46:56,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:46:56,128 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:46:56,128 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:46:56,129 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-08 19:46:56,176 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/data/582fb9a1e/e1d56a1ade8249b79b25719621b50efb/FLAGad7447053 [2018-12-08 19:46:56,505 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:46:56,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-08 19:46:56,512 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/data/582fb9a1e/e1d56a1ade8249b79b25719621b50efb/FLAGad7447053 [2018-12-08 19:46:56,520 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/data/582fb9a1e/e1d56a1ade8249b79b25719621b50efb [2018-12-08 19:46:56,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:46:56,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:46:56,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:46:56,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:46:56,525 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:46:56,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56, skipping insertion in model container [2018-12-08 19:46:56,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:46:56,553 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:46:56,702 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:46:56,746 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:46:56,789 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:46:56,804 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:46:56,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56 WrapperNode [2018-12-08 19:46:56,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:46:56,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:46:56,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:46:56,805 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:46:56,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:46:56,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:46:56,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:46:56,823 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:46:56,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... [2018-12-08 19:46:56,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:46:56,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:46:56,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:46:56,843 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:46:56,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/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 [2018-12-08 19:46:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 19:46:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 19:46:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:46:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:46:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:46:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 19:46:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 19:46:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 19:46:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 19:46:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 19:46:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 19:46:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 19:46:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 19:46:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 19:46:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 19:46:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:46:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:46:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:46:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:46:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 19:46:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 19:46:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 19:46:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 19:46:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 19:46:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 19:46:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 19:46:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 19:46:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 19:46:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 19:46:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 19:46:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 19:46:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:46:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:46:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 19:46:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 19:46:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 19:46:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 19:46:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 19:46:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 19:46:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 19:46:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 19:46:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 19:46:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 19:46:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 19:46:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 19:46:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 19:46:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 19:46:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 19:46:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:46:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:46:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 19:46:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 19:46:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 19:46:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 19:46:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:46:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:46:57,144 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:46:57,144 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 19:46:57,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:46:57 BoogieIcfgContainer [2018-12-08 19:46:57,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:46:57,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:46:57,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:46:57,147 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:46:57,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:46:56" (1/3) ... [2018-12-08 19:46:57,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:46:57, skipping insertion in model container [2018-12-08 19:46:57,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:46:56" (2/3) ... [2018-12-08 19:46:57,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:46:57, skipping insertion in model container [2018-12-08 19:46:57,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:46:57" (3/3) ... [2018-12-08 19:46:57,149 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-08 19:46:57,155 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:46:57,160 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:46:57,169 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:46:57,187 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:46:57,187 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:46:57,187 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:46:57,188 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:46:57,188 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:46:57,188 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:46:57,188 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:46:57,188 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:46:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-12-08 19:46:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 19:46:57,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:57,205 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] [2018-12-08 19:46:57,206 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:57,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:57,209 INFO L82 PathProgramCache]: Analyzing trace with hash -47045203, now seen corresponding path program 1 times [2018-12-08 19:46:57,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:57,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:57,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:57,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:57,238 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:57,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:57,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:46:57,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:57,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:46:57,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:46:57,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:46:57,363 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-12-08 19:46:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:57,385 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2018-12-08 19:46:57,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:46:57,386 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 19:46:57,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:57,393 INFO L225 Difference]: With dead ends: 252 [2018-12-08 19:46:57,393 INFO L226 Difference]: Without dead ends: 128 [2018-12-08 19:46:57,395 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 [2018-12-08 19:46:57,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-08 19:46:57,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-08 19:46:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-08 19:46:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-12-08 19:46:57,426 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2018-12-08 19:46:57,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:57,426 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-12-08 19:46:57,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:46:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-12-08 19:46:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 19:46:57,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:57,428 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] [2018-12-08 19:46:57,428 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:57,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:57,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1778182562, now seen corresponding path program 1 times [2018-12-08 19:46:57,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:57,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:57,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:57,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:57,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:57,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:57,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:57,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:46:57,482 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:57,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:46:57,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:46:57,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:46:57,484 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-12-08 19:46:57,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:57,496 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2018-12-08 19:46:57,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:46:57,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 19:46:57,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:57,497 INFO L225 Difference]: With dead ends: 201 [2018-12-08 19:46:57,498 INFO L226 Difference]: Without dead ends: 119 [2018-12-08 19:46:57,498 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 [2018-12-08 19:46:57,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-08 19:46:57,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-08 19:46:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-08 19:46:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-12-08 19:46:57,506 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2018-12-08 19:46:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:57,506 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-12-08 19:46:57,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:46:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-08 19:46:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 19:46:57,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:57,507 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] [2018-12-08 19:46:57,508 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:57,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:57,508 INFO L82 PathProgramCache]: Analyzing trace with hash -236607735, now seen corresponding path program 1 times [2018-12-08 19:46:57,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:57,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:57,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:57,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:57,509 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:57,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:57,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:46:57,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:57,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:46:57,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:46:57,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:46:57,584 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-12-08 19:46:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:57,784 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2018-12-08 19:46:57,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:46:57,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 19:46:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:57,786 INFO L225 Difference]: With dead ends: 210 [2018-12-08 19:46:57,786 INFO L226 Difference]: Without dead ends: 119 [2018-12-08 19:46:57,787 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 [2018-12-08 19:46:57,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-08 19:46:57,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-08 19:46:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-08 19:46:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2018-12-08 19:46:57,797 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2018-12-08 19:46:57,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:57,797 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2018-12-08 19:46:57,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:46:57,797 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2018-12-08 19:46:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 19:46:57,799 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:57,799 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] [2018-12-08 19:46:57,800 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:57,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:57,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1269437359, now seen corresponding path program 1 times [2018-12-08 19:46:57,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:57,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:57,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:57,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:57,801 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:57,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:57,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 19:46:57,882 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:57,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 19:46:57,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 19:46:57,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:46:57,883 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2018-12-08 19:46:58,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:58,170 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2018-12-08 19:46:58,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:46:58,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-08 19:46:58,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:58,171 INFO L225 Difference]: With dead ends: 306 [2018-12-08 19:46:58,172 INFO L226 Difference]: Without dead ends: 215 [2018-12-08 19:46:58,172 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 [2018-12-08 19:46:58,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-12-08 19:46:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2018-12-08 19:46:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-12-08 19:46:58,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2018-12-08 19:46:58,187 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2018-12-08 19:46:58,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:58,187 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2018-12-08 19:46:58,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 19:46:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2018-12-08 19:46:58,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 19:46:58,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:58,189 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] [2018-12-08 19:46:58,189 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:58,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:58,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1348279355, now seen corresponding path program 1 times [2018-12-08 19:46:58,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:58,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:58,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:58,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:58,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:46:58,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:58,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:46:58,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:46:58,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:46:58,248 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 8 states. [2018-12-08 19:46:58,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:58,289 INFO L93 Difference]: Finished difference Result 373 states and 443 transitions. [2018-12-08 19:46:58,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:46:58,289 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-12-08 19:46:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:58,291 INFO L225 Difference]: With dead ends: 373 [2018-12-08 19:46:58,292 INFO L226 Difference]: Without dead ends: 204 [2018-12-08 19:46:58,293 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 [2018-12-08 19:46:58,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-12-08 19:46:58,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2018-12-08 19:46:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-12-08 19:46:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 231 transitions. [2018-12-08 19:46:58,311 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 231 transitions. Word has length 83 [2018-12-08 19:46:58,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:58,311 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 231 transitions. [2018-12-08 19:46:58,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:46:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 231 transitions. [2018-12-08 19:46:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 19:46:58,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:58,313 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] [2018-12-08 19:46:58,313 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:58,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:58,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1370911609, now seen corresponding path program 1 times [2018-12-08 19:46:58,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:58,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:58,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:58,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:58,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:46:58,391 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:58,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:46:58,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:46:58,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:46:58,392 INFO L87 Difference]: Start difference. First operand 201 states and 231 transitions. Second operand 6 states. [2018-12-08 19:46:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:58,506 INFO L93 Difference]: Finished difference Result 529 states and 629 transitions. [2018-12-08 19:46:58,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:46:58,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-08 19:46:58,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:58,508 INFO L225 Difference]: With dead ends: 529 [2018-12-08 19:46:58,508 INFO L226 Difference]: Without dead ends: 356 [2018-12-08 19:46:58,509 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 [2018-12-08 19:46:58,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-12-08 19:46:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2018-12-08 19:46:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-12-08 19:46:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 402 transitions. [2018-12-08 19:46:58,542 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 402 transitions. Word has length 83 [2018-12-08 19:46:58,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:58,542 INFO L480 AbstractCegarLoop]: Abstraction has 350 states and 402 transitions. [2018-12-08 19:46:58,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:46:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 402 transitions. [2018-12-08 19:46:58,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 19:46:58,544 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:58,544 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] [2018-12-08 19:46:58,544 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:58,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:58,544 INFO L82 PathProgramCache]: Analyzing trace with hash -21266901, now seen corresponding path program 1 times [2018-12-08 19:46:58,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:58,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:58,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:58,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:58,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:46:58,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:58,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:46:58,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:46:58,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:46:58,619 INFO L87 Difference]: Start difference. First operand 350 states and 402 transitions. Second operand 7 states. [2018-12-08 19:46:58,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:58,881 INFO L93 Difference]: Finished difference Result 701 states and 828 transitions. [2018-12-08 19:46:58,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:46:58,882 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-08 19:46:58,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:58,883 INFO L225 Difference]: With dead ends: 701 [2018-12-08 19:46:58,883 INFO L226 Difference]: Without dead ends: 379 [2018-12-08 19:46:58,884 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 [2018-12-08 19:46:58,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-12-08 19:46:58,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 349. [2018-12-08 19:46:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-12-08 19:46:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 399 transitions. [2018-12-08 19:46:58,897 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 399 transitions. Word has length 87 [2018-12-08 19:46:58,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:58,897 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 399 transitions. [2018-12-08 19:46:58,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:46:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 399 transitions. [2018-12-08 19:46:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 19:46:58,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:58,898 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] [2018-12-08 19:46:58,899 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:58,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:58,899 INFO L82 PathProgramCache]: Analyzing trace with hash -345672316, now seen corresponding path program 1 times [2018-12-08 19:46:58,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:58,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:58,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:58,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:58,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:46:58,946 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:58,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:46:58,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:46:58,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:46:58,946 INFO L87 Difference]: Start difference. First operand 349 states and 399 transitions. Second operand 6 states. [2018-12-08 19:46:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:58,969 INFO L93 Difference]: Finished difference Result 680 states and 790 transitions. [2018-12-08 19:46:58,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:46:58,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 19:46:58,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:58,971 INFO L225 Difference]: With dead ends: 680 [2018-12-08 19:46:58,971 INFO L226 Difference]: Without dead ends: 359 [2018-12-08 19:46:58,971 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 [2018-12-08 19:46:58,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-12-08 19:46:58,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-12-08 19:46:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-12-08 19:46:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2018-12-08 19:46:58,982 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2018-12-08 19:46:58,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:58,983 INFO L480 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2018-12-08 19:46:58,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:46:58,983 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2018-12-08 19:46:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 19:46:58,984 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:58,984 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] [2018-12-08 19:46:58,984 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:58,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:58,985 INFO L82 PathProgramCache]: Analyzing trace with hash 2081408455, now seen corresponding path program 1 times [2018-12-08 19:46:58,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:58,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:58,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:58,985 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:59,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:59,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 19:46:59,028 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:59,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 19:46:59,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 19:46:59,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:46:59,029 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2018-12-08 19:46:59,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:59,155 INFO L93 Difference]: Finished difference Result 1076 states and 1296 transitions. [2018-12-08 19:46:59,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 19:46:59,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-08 19:46:59,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:59,158 INFO L225 Difference]: With dead ends: 1076 [2018-12-08 19:46:59,158 INFO L226 Difference]: Without dead ends: 745 [2018-12-08 19:46:59,159 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 [2018-12-08 19:46:59,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-12-08 19:46:59,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2018-12-08 19:46:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-12-08 19:46:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2018-12-08 19:46:59,179 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2018-12-08 19:46:59,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:59,180 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2018-12-08 19:46:59,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 19:46:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2018-12-08 19:46:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:46:59,181 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:59,181 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] [2018-12-08 19:46:59,181 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:59,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:59,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1819438657, now seen corresponding path program 1 times [2018-12-08 19:46:59,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:59,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:59,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:59,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:59,182 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:46:59,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:46:59,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:46:59,215 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:46:59,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:46:59,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:46:59,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:46:59,215 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2018-12-08 19:46:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:46:59,243 INFO L93 Difference]: Finished difference Result 744 states and 856 transitions. [2018-12-08 19:46:59,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:46:59,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-08 19:46:59,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:46:59,245 INFO L225 Difference]: With dead ends: 744 [2018-12-08 19:46:59,245 INFO L226 Difference]: Without dead ends: 741 [2018-12-08 19:46:59,246 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 [2018-12-08 19:46:59,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-12-08 19:46:59,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2018-12-08 19:46:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-12-08 19:46:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2018-12-08 19:46:59,269 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2018-12-08 19:46:59,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:46:59,269 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2018-12-08 19:46:59,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:46:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2018-12-08 19:46:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 19:46:59,271 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:46:59,271 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] [2018-12-08 19:46:59,272 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:46:59,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:46:59,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1243590183, now seen corresponding path program 1 times [2018-12-08 19:46:59,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:46:59,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:59,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:46:59,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:46:59,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:46:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:46:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 19:46:59,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:46:59,371 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:46:59,371 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-08 19:46:59,373 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] [2018-12-08 19:46:59,404 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:46:59,404 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:47:00,686 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:47:00,687 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. [2018-12-08 19:47:00,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:47:00,693 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:47:00,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:47:00,693 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/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 [2018-12-08 19:47:00,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:47:00,701 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:47:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:47:00,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:47:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 19:47:00,899 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:47:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 19:47:01,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 19:47:01,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-08 19:47:01,200 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:47:01,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:47:01,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:47:01,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 19:47:01,201 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 8 states. [2018-12-08 19:47:01,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:47:01,354 INFO L93 Difference]: Finished difference Result 1156 states and 1334 transitions. [2018-12-08 19:47:01,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:47:01,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-12-08 19:47:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:47:01,356 INFO L225 Difference]: With dead ends: 1156 [2018-12-08 19:47:01,356 INFO L226 Difference]: Without dead ends: 565 [2018-12-08 19:47:01,379 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 [2018-12-08 19:47:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-12-08 19:47:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 536. [2018-12-08 19:47:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-12-08 19:47:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 606 transitions. [2018-12-08 19:47:01,399 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 606 transitions. Word has length 150 [2018-12-08 19:47:01,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:47:01,399 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 606 transitions. [2018-12-08 19:47:01,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:47:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 606 transitions. [2018-12-08 19:47:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 19:47:01,400 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:47:01,401 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] [2018-12-08 19:47:01,401 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:47:01,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:47:01,401 INFO L82 PathProgramCache]: Analyzing trace with hash -294954383, now seen corresponding path program 1 times [2018-12-08 19:47:01,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:47:01,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:47:01,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:47:01,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:47:01,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:47:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:47:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:47:01,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:47:01,452 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:47:01,452 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-08 19:47:01,453 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] [2018-12-08 19:47:01,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:47:01,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:47:02,102 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:47:02,102 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. [2018-12-08 19:47:02,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:47:02,104 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:47:02,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:47:02,104 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/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 [2018-12-08 19:47:02,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:47:02,109 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:47:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:47:02,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:47:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:47:02,199 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:47:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:47:02,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 19:47:02,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-08 19:47:02,325 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:47:02,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:47:02,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:47:02,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:47:02,325 INFO L87 Difference]: Start difference. First operand 536 states and 606 transitions. Second operand 3 states. [2018-12-08 19:47:02,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:47:02,365 INFO L93 Difference]: Finished difference Result 861 states and 983 transitions. [2018-12-08 19:47:02,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:47:02,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-12-08 19:47:02,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:47:02,366 INFO L225 Difference]: With dead ends: 861 [2018-12-08 19:47:02,366 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 19:47:02,366 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 [2018-12-08 19:47:02,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 19:47:02,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 19:47:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 19:47:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 19:47:02,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-12-08 19:47:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:47:02,367 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 19:47:02,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:47:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 19:47:02,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:47:02,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 19:47:02,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:47:02,748 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-12-08 19:47:03,065 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-12-08 19:47:03,578 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2018-12-08 19:47:04,024 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-12-08 19:47:04,880 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2018-12-08 19:47:04,880 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2018-12-08 19:47:04,880 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2018-12-08 19:47:04,880 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2018-12-08 19:47:04,880 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2018-12-08 19:47:04,880 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))) [2018-12-08 19:47:04,881 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))) [2018-12-08 19:47:04,881 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))) [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2018-12-08 19:47:04,881 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))) [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2018-12-08 19:47:04,881 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))) [2018-12-08 19:47:04,881 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))) [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-12-08 19:47:04,881 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2018-12-08 19:47:04,881 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2018-12-08 19:47:04,881 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))) [2018-12-08 19:47:04,881 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2018-12-08 19:47:04,882 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))) [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-12-08 19:47:04,882 INFO L451 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-12-08 19:47:04,882 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)))) [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-12-08 19:47:04,882 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)))) [2018-12-08 19:47:04,882 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))))) [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-12-08 19:47:04,882 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-12-08 19:47:04,883 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))))) [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-12-08 19:47:04,883 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)))) [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-12-08 19:47:04,883 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)))) [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-12-08 19:47:04,883 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-12-08 19:47:04,883 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))) [2018-12-08 19:47:04,883 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))) [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-12-08 19:47:04,883 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))) [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-12-08 19:47:04,883 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))) [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-12-08 19:47:04,883 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-12-08 19:47:04,884 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))) [2018-12-08 19:47:04,884 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))) [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-12-08 19:47:04,884 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))))) [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2018-12-08 19:47:04,884 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)))) [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2018-12-08 19:47:04,884 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)))) [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-12-08 19:47:04,884 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)))) [2018-12-08 19:47:04,884 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2018-12-08 19:47:04,885 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))) [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2018-12-08 19:47:04,885 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))))) [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L451 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2018-12-08 19:47:04,885 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))) [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2018-12-08 19:47:04,885 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-12-08 19:47:04,885 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-12-08 19:47:04,886 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-08 19:47:04,886 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-12-08 19:47:04,886 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-12-08 19:47:04,886 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-08 19:47:04,886 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2018-12-08 19:47:04,886 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)))) [2018-12-08 19:47:04,886 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))) [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-12-08 19:47:04,886 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)))) [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-12-08 19:47:04,886 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-12-08 19:47:04,887 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))) [2018-12-08 19:47:04,887 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-12-08 19:47:04,887 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:47:04,887 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)) [2018-12-08 19:47:04,887 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:47:04,887 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)))) [2018-12-08 19:47:04,887 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))) [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-12-08 19:47:04,887 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)))) [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-12-08 19:47:04,887 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-12-08 19:47:04,888 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))))) [2018-12-08 19:47:04,888 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-12-08 19:47:04,888 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))))) [2018-12-08 19:47:04,888 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2018-12-08 19:47:04,888 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))) [2018-12-08 19:47:04,888 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2018-12-08 19:47:04,888 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2018-12-08 19:47:04,888 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-12-08 19:47:04,888 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2018-12-08 19:47:04,889 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2018-12-08 19:47:04,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:47:04 BoogieIcfgContainer [2018-12-08 19:47:04,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:47:04,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:47:04,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:47:04,897 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:47:04,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:46:57" (3/4) ... [2018-12-08 19:47:04,900 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:47:04,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 19:47:04,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 19:47:04,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 19:47:04,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 19:47:04,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 19:47:04,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 19:47:04,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 19:47:04,909 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 19:47:04,925 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) [2018-12-08 19:47:04,925 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 19:47:04,953 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01291584-0b34-4b35-ad2a-5c33d7743b82/bin-2019/utaipan/witness.graphml [2018-12-08 19:47:04,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:47:04,953 INFO L168 Benchmark]: Toolchain (without parser) took 8431.06 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 618.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 434.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:47:04,954 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:47:04,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-08 19:47:04,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:47:04,954 INFO L168 Benchmark]: Boogie Preprocessor took 19.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:47:04,955 INFO L168 Benchmark]: RCFGBuilder took 302.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:47:04,955 INFO L168 Benchmark]: TraceAbstraction took 7751.48 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 470.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -47.9 MB). Peak memory consumption was 585.7 MB. Max. memory is 11.5 GB. [2018-12-08 19:47:04,955 INFO L168 Benchmark]: Witness Printer took 55.79 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 605.1 kB). Peak memory consumption was 605.1 kB. Max. memory is 11.5 GB. [2018-12-08 19:47:04,957 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 302.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7751.48 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 470.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -47.9 MB). Peak memory consumption was 585.7 MB. Max. memory is 11.5 GB. * Witness Printer took 55.79 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 605.1 kB). Peak memory consumption was 605.1 kB. 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, 7.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1921 SDtfs, 1013 SDslu, 3715 SDs, 0 SdLazy, 1189 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 716 GetRequests, 631 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s 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, 1.9s 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, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s 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...