./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/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_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/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 0.1.23-5842f4b [2018-11-18 10:10:18,004 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:10:18,005 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:10:18,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:10:18,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:10:18,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:10:18,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:10:18,015 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:10:18,016 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:10:18,017 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:10:18,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:10:18,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:10:18,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:10:18,019 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:10:18,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:10:18,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:10:18,021 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:10:18,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:10:18,024 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:10:18,026 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:10:18,027 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:10:18,027 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:10:18,029 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:10:18,029 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:10:18,029 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:10:18,031 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:10:18,031 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:10:18,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:10:18,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:10:18,034 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:10:18,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:10:18,035 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:10:18,035 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:10:18,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:10:18,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:10:18,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:10:18,036 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:10:18,044 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:10:18,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:10:18,045 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:10:18,045 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:10:18,045 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:10:18,045 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:10:18,045 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:10:18,046 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:10:18,046 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:10:18,046 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:10:18,046 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:10:18,046 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:10:18,046 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:10:18,047 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:10:18,047 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:10:18,047 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:10:18,047 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:10:18,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:10:18,047 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:10:18,048 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:10:18,048 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:10:18,048 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:10:18,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:10:18,048 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:10:18,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:10:18,048 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:10:18,048 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:10:18,049 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:10:18,049 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:10:18,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:10:18,049 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:10:18,049 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:10:18,049 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:10:18,049 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:10:18,050 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:10:18,050 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:10:18,050 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:10:18,050 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_300f0601-735a-4a0c-a4c9-4db2f7de592c/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 [2018-11-18 10:10:18,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:10:18,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:10:18,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:10:18,087 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:10:18,087 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:10:18,088 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-18 10:10:18,131 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/data/2f846288e/16317abaa1744d1494079e9c58a08bd0/FLAG323ca4d41 [2018-11-18 10:10:18,564 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:10:18,565 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-18 10:10:18,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/data/2f846288e/16317abaa1744d1494079e9c58a08bd0/FLAG323ca4d41 [2018-11-18 10:10:18,582 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/data/2f846288e/16317abaa1744d1494079e9c58a08bd0 [2018-11-18 10:10:18,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:10:18,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:10:18,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:10:18,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:10:18,587 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:10:18,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:18,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18, skipping insertion in model container [2018-11-18 10:10:18,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:18,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:10:18,623 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:10:18,813 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:10:18,821 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:10:18,925 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:10:18,945 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:10:18,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18 WrapperNode [2018-11-18 10:10:18,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:10:18,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:10:18,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:10:18,946 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:10:18,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:18,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:18,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:10:18,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:10:18,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:10:18,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:10:18,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:18,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:18,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:18,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:18,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:19,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:19,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... [2018-11-18 10:10:19,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:10:19,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:10:19,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:10:19,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:10:19,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:10:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:10:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:10:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:10:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:10:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:10:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:10:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:10:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 10:10:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 10:10:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:10:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:10:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:10:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:10:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:10:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:10:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:10:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:10:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:10:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:10:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 10:10:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 10:10:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 10:10:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 10:10:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:10:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:10:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:10:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:10:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:10:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:10:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:10:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:10:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:10:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:10:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:10:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:10:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:10:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:10:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:10:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:10:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:10:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:10:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:10:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:10:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:10:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:10:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:10:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:10:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:10:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:10:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:10:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:10:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:10:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:10:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:10:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:10:19,535 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:10:19,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:19 BoogieIcfgContainer [2018-11-18 10:10:19,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:10:19,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:10:19,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:10:19,538 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:10:19,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:10:18" (1/3) ... [2018-11-18 10:10:19,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46323f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:10:19, skipping insertion in model container [2018-11-18 10:10:19,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:18" (2/3) ... [2018-11-18 10:10:19,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46323f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:10:19, skipping insertion in model container [2018-11-18 10:10:19,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:19" (3/3) ... [2018-11-18 10:10:19,541 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-18 10:10:19,547 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:10:19,552 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:10:19,561 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:10:19,585 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:10:19,585 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:10:19,585 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:10:19,585 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:10:19,585 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:10:19,585 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:10:19,585 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:10:19,586 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:10:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-18 10:10:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:10:19,606 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:19,607 INFO L375 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] [2018-11-18 10:10:19,609 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:19,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:19,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1092414191, now seen corresponding path program 1 times [2018-11-18 10:10:19,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:19,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:19,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:19,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:19,644 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:19,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:19,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:10:19,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:19,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:10:19,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:10:19,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:10:19,820 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-18 10:10:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:19,848 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2018-11-18 10:10:19,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:10:19,849 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 10:10:19,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:19,857 INFO L225 Difference]: With dead ends: 256 [2018-11-18 10:10:19,857 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 10:10:19,861 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:10:19,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 10:10:19,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 10:10:19,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 10:10:19,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2018-11-18 10:10:19,898 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 51 [2018-11-18 10:10:19,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:19,899 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2018-11-18 10:10:19,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:10:19,899 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2018-11-18 10:10:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 10:10:19,901 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:19,902 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:19,902 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:19,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:19,902 INFO L82 PathProgramCache]: Analyzing trace with hash -316242965, now seen corresponding path program 1 times [2018-11-18 10:10:19,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:19,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:19,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:19,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:19,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:19,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:19,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:19,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:10:19,975 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:19,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:10:19,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:10:19,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:10:19,977 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 3 states. [2018-11-18 10:10:19,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:19,995 INFO L93 Difference]: Finished difference Result 203 states and 239 transitions. [2018-11-18 10:10:19,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:10:19,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 10:10:19,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:19,997 INFO L225 Difference]: With dead ends: 203 [2018-11-18 10:10:19,997 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 10:10:19,998 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:10:19,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 10:10:20,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 10:10:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 10:10:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-18 10:10:20,008 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-11-18 10:10:20,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:20,009 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-18 10:10:20,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:10:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-18 10:10:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 10:10:20,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:20,011 INFO L375 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] [2018-11-18 10:10:20,011 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:20,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:20,011 INFO L82 PathProgramCache]: Analyzing trace with hash 358185783, now seen corresponding path program 1 times [2018-11-18 10:10:20,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:20,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:20,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:20,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:20,012 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:20,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:20,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:10:20,118 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:20,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:10:20,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:10:20,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:10:20,119 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-11-18 10:10:20,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:20,364 INFO L93 Difference]: Finished difference Result 212 states and 253 transitions. [2018-11-18 10:10:20,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:10:20,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 10:10:20,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:20,366 INFO L225 Difference]: With dead ends: 212 [2018-11-18 10:10:20,366 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 10:10:20,367 INFO L604 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 [2018-11-18 10:10:20,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 10:10:20,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 10:10:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 10:10:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-11-18 10:10:20,377 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 57 [2018-11-18 10:10:20,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:20,377 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-11-18 10:10:20,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:10:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-11-18 10:10:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 10:10:20,379 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:20,380 INFO L375 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] [2018-11-18 10:10:20,380 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:20,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:20,380 INFO L82 PathProgramCache]: Analyzing trace with hash -2034488385, now seen corresponding path program 1 times [2018-11-18 10:10:20,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:20,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:20,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:20,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:20,381 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:20,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:20,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:20,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:10:20,469 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:20,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:10:20,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:10:20,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:10:20,470 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 5 states. [2018-11-18 10:10:20,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:20,787 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2018-11-18 10:10:20,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:10:20,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-18 10:10:20,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:20,790 INFO L225 Difference]: With dead ends: 310 [2018-11-18 10:10:20,790 INFO L226 Difference]: Without dead ends: 218 [2018-11-18 10:10:20,791 INFO L604 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 [2018-11-18 10:10:20,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-11-18 10:10:20,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 199. [2018-11-18 10:10:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-11-18 10:10:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 229 transitions. [2018-11-18 10:10:20,811 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 229 transitions. Word has length 70 [2018-11-18 10:10:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:20,812 INFO L480 AbstractCegarLoop]: Abstraction has 199 states and 229 transitions. [2018-11-18 10:10:20,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:10:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 229 transitions. [2018-11-18 10:10:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 10:10:20,822 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:20,822 INFO L375 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] [2018-11-18 10:10:20,826 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:20,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:20,827 INFO L82 PathProgramCache]: Analyzing trace with hash -879421356, now seen corresponding path program 1 times [2018-11-18 10:10:20,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:20,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:20,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:20,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:20,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:20,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:20,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:10:20,913 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:20,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:10:20,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:10:20,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:10:20,914 INFO L87 Difference]: Start difference. First operand 199 states and 229 transitions. Second operand 6 states. [2018-11-18 10:10:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:21,148 INFO L93 Difference]: Finished difference Result 523 states and 623 transitions. [2018-11-18 10:10:21,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:10:21,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-18 10:10:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:21,153 INFO L225 Difference]: With dead ends: 523 [2018-11-18 10:10:21,153 INFO L226 Difference]: Without dead ends: 352 [2018-11-18 10:10:21,154 INFO L604 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 [2018-11-18 10:10:21,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-11-18 10:10:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 346. [2018-11-18 10:10:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-11-18 10:10:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 398 transitions. [2018-11-18 10:10:21,180 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 398 transitions. Word has length 84 [2018-11-18 10:10:21,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:21,181 INFO L480 AbstractCegarLoop]: Abstraction has 346 states and 398 transitions. [2018-11-18 10:10:21,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:10:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 398 transitions. [2018-11-18 10:10:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 10:10:21,182 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:21,182 INFO L375 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] [2018-11-18 10:10:21,183 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:21,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:21,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1314842536, now seen corresponding path program 1 times [2018-11-18 10:10:21,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:21,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:21,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:21,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:21,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:21,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:21,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:10:21,270 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:21,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:10:21,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:10:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:10:21,271 INFO L87 Difference]: Start difference. First operand 346 states and 398 transitions. Second operand 7 states. [2018-11-18 10:10:21,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:21,722 INFO L93 Difference]: Finished difference Result 695 states and 822 transitions. [2018-11-18 10:10:21,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 10:10:21,723 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-18 10:10:21,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:21,725 INFO L225 Difference]: With dead ends: 695 [2018-11-18 10:10:21,725 INFO L226 Difference]: Without dead ends: 377 [2018-11-18 10:10:21,726 INFO L604 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 [2018-11-18 10:10:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-18 10:10:21,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 345. [2018-11-18 10:10:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-11-18 10:10:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 395 transitions. [2018-11-18 10:10:21,747 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 395 transitions. Word has length 88 [2018-11-18 10:10:21,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:21,748 INFO L480 AbstractCegarLoop]: Abstraction has 345 states and 395 transitions. [2018-11-18 10:10:21,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:10:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 395 transitions. [2018-11-18 10:10:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 10:10:21,749 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:21,749 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:21,749 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:21,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:21,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1109167981, now seen corresponding path program 1 times [2018-11-18 10:10:21,750 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:21,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:21,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:21,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:21,751 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:21,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:21,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:10:21,814 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:21,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:10:21,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:10:21,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:10:21,815 INFO L87 Difference]: Start difference. First operand 345 states and 395 transitions. Second operand 6 states. [2018-11-18 10:10:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:21,850 INFO L93 Difference]: Finished difference Result 672 states and 782 transitions. [2018-11-18 10:10:21,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:10:21,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 10:10:21,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:21,853 INFO L225 Difference]: With dead ends: 672 [2018-11-18 10:10:21,853 INFO L226 Difference]: Without dead ends: 355 [2018-11-18 10:10:21,854 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:10:21,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-11-18 10:10:21,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-11-18 10:10:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-11-18 10:10:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 405 transitions. [2018-11-18 10:10:21,873 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 405 transitions. Word has length 89 [2018-11-18 10:10:21,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:21,874 INFO L480 AbstractCegarLoop]: Abstraction has 355 states and 405 transitions. [2018-11-18 10:10:21,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:10:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 405 transitions. [2018-11-18 10:10:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 10:10:21,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:21,875 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:21,875 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:21,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:21,876 INFO L82 PathProgramCache]: Analyzing trace with hash -407568107, now seen corresponding path program 1 times [2018-11-18 10:10:21,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:21,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:21,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:21,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:21,877 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:21,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:21,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 10:10:21,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:21,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 10:10:21,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 10:10:21,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:10:21,965 INFO L87 Difference]: Start difference. First operand 355 states and 405 transitions. Second operand 8 states. [2018-11-18 10:10:22,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:22,004 INFO L93 Difference]: Finished difference Result 696 states and 816 transitions. [2018-11-18 10:10:22,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:10:22,005 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-18 10:10:22,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:22,007 INFO L225 Difference]: With dead ends: 696 [2018-11-18 10:10:22,007 INFO L226 Difference]: Without dead ends: 369 [2018-11-18 10:10:22,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:10:22,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-18 10:10:22,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 363. [2018-11-18 10:10:22,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-11-18 10:10:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 413 transitions. [2018-11-18 10:10:22,027 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 413 transitions. Word has length 89 [2018-11-18 10:10:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:22,028 INFO L480 AbstractCegarLoop]: Abstraction has 363 states and 413 transitions. [2018-11-18 10:10:22,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 10:10:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 413 transitions. [2018-11-18 10:10:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 10:10:22,029 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:22,029 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:22,029 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:22,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:22,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1317912790, now seen corresponding path program 1 times [2018-11-18 10:10:22,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:22,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:22,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:22,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:22,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:22,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:22,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:10:22,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:22,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:10:22,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:10:22,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:10:22,101 INFO L87 Difference]: Start difference. First operand 363 states and 413 transitions. Second operand 4 states. [2018-11-18 10:10:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:22,317 INFO L93 Difference]: Finished difference Result 1090 states and 1310 transitions. [2018-11-18 10:10:22,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:10:22,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-18 10:10:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:22,323 INFO L225 Difference]: With dead ends: 1090 [2018-11-18 10:10:22,323 INFO L226 Difference]: Without dead ends: 755 [2018-11-18 10:10:22,324 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:10:22,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-11-18 10:10:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 489. [2018-11-18 10:10:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-11-18 10:10:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 552 transitions. [2018-11-18 10:10:22,359 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 552 transitions. Word has length 89 [2018-11-18 10:10:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:22,359 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 552 transitions. [2018-11-18 10:10:22,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:10:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 552 transitions. [2018-11-18 10:10:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 10:10:22,361 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:22,361 INFO L375 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, 1] [2018-11-18 10:10:22,361 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:22,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:22,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1271291184, now seen corresponding path program 1 times [2018-11-18 10:10:22,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:22,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:22,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:22,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:22,362 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:22,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:22,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:10:22,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:22,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:10:22,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:10:22,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:10:22,407 INFO L87 Difference]: Start difference. First operand 489 states and 552 transitions. Second operand 3 states. [2018-11-18 10:10:22,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:22,451 INFO L93 Difference]: Finished difference Result 751 states and 863 transitions. [2018-11-18 10:10:22,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:10:22,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-18 10:10:22,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:22,455 INFO L225 Difference]: With dead ends: 751 [2018-11-18 10:10:22,455 INFO L226 Difference]: Without dead ends: 748 [2018-11-18 10:10:22,456 INFO L604 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 [2018-11-18 10:10:22,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2018-11-18 10:10:22,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 626. [2018-11-18 10:10:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-18 10:10:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 717 transitions. [2018-11-18 10:10:22,481 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 717 transitions. Word has length 93 [2018-11-18 10:10:22,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:22,481 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 717 transitions. [2018-11-18 10:10:22,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:10:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 717 transitions. [2018-11-18 10:10:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 10:10:22,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:22,484 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:22,484 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:22,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:22,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1825551631, now seen corresponding path program 1 times [2018-11-18 10:10:22,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:22,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:22,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:22,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:22,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:10:22,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:22,608 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:10:22,608 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-18 10:10:22,610 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [24], [26], [27], [30], [34], [35], [36], [39], [41], [47], [51], [54], [55], [56], [60], [66], [70], [74], [77], [80], [82], [85], [88], [90], [93], [108], [110], [113], [115], [118], [121], [124], [132], [133], [134], [135], [136], [137], [138], [139], [141], [146], [148], [149], [154], [156], [184], [185], [188], [191], [195], [201], [204], [208], [209], [213], [216], [218], [221], [228], [231], [234], [238], [239], [242], [243], [244], [245], [246], [247], [248], [249], [250], [252], [253], [254], [256], [257], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [271], [274], [275], [276], [277], [278], [280], [281], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [302], [303] [2018-11-18 10:10:22,640 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:10:22,640 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:10:24,848 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:10:24,849 INFO L272 AbstractInterpreter]: Visited 121 different actions 972 times. Merged at 21 different actions 87 times. Never widened. Performed 39227 root evaluator evaluations with a maximum evaluation depth of 3. Performed 39227 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 21 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-18 10:10:24,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:24,855 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:10:24,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:24,855 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:10:24,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:24,862 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:10:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:24,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:10:25,188 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:10:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:10:25,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:10:25,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 10:10:25,579 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:25,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 10:10:25,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 10:10:25,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 10:10:25,580 INFO L87 Difference]: Start difference. First operand 626 states and 717 transitions. Second operand 8 states. [2018-11-18 10:10:25,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:25,731 INFO L93 Difference]: Finished difference Result 1170 states and 1348 transitions. [2018-11-18 10:10:25,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:10:25,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-18 10:10:25,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:25,734 INFO L225 Difference]: With dead ends: 1170 [2018-11-18 10:10:25,734 INFO L226 Difference]: Without dead ends: 572 [2018-11-18 10:10:25,735 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 10:10:25,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-11-18 10:10:25,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 543. [2018-11-18 10:10:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-11-18 10:10:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 613 transitions. [2018-11-18 10:10:25,758 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 613 transitions. Word has length 152 [2018-11-18 10:10:25,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:25,758 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 613 transitions. [2018-11-18 10:10:25,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 10:10:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 613 transitions. [2018-11-18 10:10:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 10:10:25,760 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:25,760 INFO L375 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, 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] [2018-11-18 10:10:25,760 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:25,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:25,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1944490656, now seen corresponding path program 1 times [2018-11-18 10:10:25,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:25,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:25,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:25,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:25,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:10:25,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:25,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:10:25,836 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-18 10:10:25,837 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [30], [34], [35], [36], [51], [54], [56], [60], [66], [70], [74], [77], [80], [82], [85], [88], [90], [93], [108], [110], [113], [115], [118], [121], [124], [132], [133], [134], [135], [136], [137], [138], [139], [141], [146], [148], [149], [154], [156], [184], [185], [191], [195], [201], [209], [213], [216], [218], [221], [231], [234], [238], [239], [242], [243], [244], [245], [246], [247], [248], [249], [250], [252], [253], [254], [264], [265], [266], [267], [268], [269], [270], [271], [274], [275], [276], [277], [278], [280], [281], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299] [2018-11-18 10:10:25,839 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:10:25,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:10:26,378 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:10:26,378 INFO L272 AbstractInterpreter]: Visited 100 different actions 381 times. Merged at 14 different actions 33 times. Never widened. Performed 13144 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13144 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 134 variables. [2018-11-18 10:10:26,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:26,380 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:10:26,380 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:26,380 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:10:26,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:26,386 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:10:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:26,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:26,498 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:10:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:10:26,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:10:26,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-18 10:10:26,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:26,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:10:26,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:10:26,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:10:26,630 INFO L87 Difference]: Start difference. First operand 543 states and 613 transitions. Second operand 3 states. [2018-11-18 10:10:26,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:26,690 INFO L93 Difference]: Finished difference Result 873 states and 995 transitions. [2018-11-18 10:10:26,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:10:26,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-18 10:10:26,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:26,691 INFO L225 Difference]: With dead ends: 873 [2018-11-18 10:10:26,691 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:10:26,692 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:10:26,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:10:26,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:10:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:10:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:10:26,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-11-18 10:10:26,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:26,693 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:10:26,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:10:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:10:26,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:10:26,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:10:26,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:26,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:27,081 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-11-18 10:10:27,385 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-11-18 10:10:27,783 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-11-18 10:10:27,926 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2018-11-18 10:10:28,154 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2018-11-18 10:10:28,544 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-11-18 10:10:29,553 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2018-11-18 10:10:29,553 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2018-11-18 10:10:29,553 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2018-11-18 10:10:29,553 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2018-11-18 10:10:29,553 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2018-11-18 10:10:29,554 INFO L421 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))) [2018-11-18 10:10:29,554 INFO L421 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))) [2018-11-18 10:10:29,554 INFO L421 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))) [2018-11-18 10:10:29,554 INFO L425 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2018-11-18 10:10:29,554 INFO L425 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2018-11-18 10:10:29,554 INFO L425 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2018-11-18 10:10:29,554 INFO L421 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))) [2018-11-18 10:10:29,554 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2018-11-18 10:10:29,554 INFO L421 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))) [2018-11-18 10:10:29,554 INFO L421 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))) [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-18 10:10:29,555 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2018-11-18 10:10:29,555 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2018-11-18 10:10:29,555 INFO L421 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))) [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2018-11-18 10:10:29,555 INFO L421 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))) [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2018-11-18 10:10:29,555 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-11-18 10:10:29,555 INFO L428 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-11-18 10:10:29,555 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L421 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)))) [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L421 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)))) [2018-11-18 10:10:29,556 INFO L421 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))))) [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L421 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))))) [2018-11-18 10:10:29,556 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-18 10:10:29,556 INFO L421 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)))) [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L421 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)))) [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-11-18 10:10:29,557 INFO L421 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))) [2018-11-18 10:10:29,557 INFO L421 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))) [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L421 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))) [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L421 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))) [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L421 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))) [2018-11-18 10:10:29,557 INFO L421 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))) [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-11-18 10:10:29,557 INFO L425 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-11-18 10:10:29,558 INFO L425 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-11-18 10:10:29,558 INFO L425 ceAbstractionStarter]: For program point L241-1(lines 241 286) no Hoare annotation was computed. [2018-11-18 10:10:29,558 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-11-18 10:10:29,558 INFO L421 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))))) [2018-11-18 10:10:29,558 INFO L425 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2018-11-18 10:10:29,558 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2018-11-18 10:10:29,558 INFO L421 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)))) [2018-11-18 10:10:29,558 INFO L425 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-11-18 10:10:29,558 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2018-11-18 10:10:29,558 INFO L425 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L421 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)))) [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L421 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)))) [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L421 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))) [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L421 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))))) [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-11-18 10:10:29,559 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-11-18 10:10:29,560 INFO L428 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-11-18 10:10:29,560 INFO L425 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-11-18 10:10:29,560 INFO L425 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-11-18 10:10:29,560 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-11-18 10:10:29,560 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-11-18 10:10:29,560 INFO L425 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2018-11-18 10:10:29,560 INFO L421 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))) [2018-11-18 10:10:29,560 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2018-11-18 10:10:29,560 INFO L428 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-11-18 10:10:29,560 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-11-18 10:10:29,560 INFO L425 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-11-18 10:10:29,560 INFO L425 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-11-18 10:10:29,561 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-11-18 10:10:29,561 INFO L425 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-18 10:10:29,561 INFO L428 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-11-18 10:10:29,561 INFO L425 ceAbstractionStarter]: For program point L817-1(lines 817 831) no Hoare annotation was computed. [2018-11-18 10:10:29,561 INFO L428 ceAbstractionStarter]: At program point L817-3(lines 817 831) the Hoare annotation is: true [2018-11-18 10:10:29,561 INFO L428 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-11-18 10:10:29,561 INFO L425 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-18 10:10:29,561 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2018-11-18 10:10:29,561 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2018-11-18 10:10:29,561 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2018-11-18 10:10:29,561 INFO L421 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)))) [2018-11-18 10:10:29,562 INFO L421 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))) [2018-11-18 10:10:29,562 INFO L425 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-18 10:10:29,562 INFO L421 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)))) [2018-11-18 10:10:29,562 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-18 10:10:29,562 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-18 10:10:29,562 INFO L421 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))) [2018-11-18 10:10:29,562 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2018-11-18 10:10:29,562 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2018-11-18 10:10:29,562 INFO L425 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2018-11-18 10:10:29,562 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-11-18 10:10:29,563 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-11-18 10:10:29,563 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:10:29,563 INFO L421 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)) [2018-11-18 10:10:29,563 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:10:29,563 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:10:29,563 INFO L421 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)))) [2018-11-18 10:10:29,563 INFO L421 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))) [2018-11-18 10:10:29,563 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-11-18 10:10:29,563 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-11-18 10:10:29,563 INFO L421 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)))) [2018-11-18 10:10:29,564 INFO L425 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-18 10:10:29,564 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-11-18 10:10:29,564 INFO L421 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))))) [2018-11-18 10:10:29,564 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-11-18 10:10:29,564 INFO L421 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))))) [2018-11-18 10:10:29,564 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2018-11-18 10:10:29,564 INFO L421 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))) [2018-11-18 10:10:29,564 INFO L425 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2018-11-18 10:10:29,564 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2018-11-18 10:10:29,564 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2018-11-18 10:10:29,565 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-11-18 10:10:29,565 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2018-11-18 10:10:29,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:10:29 BoogieIcfgContainer [2018-11-18 10:10:29,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:10:29,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:10:29,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:10:29,576 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:10:29,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:19" (3/4) ... [2018-11-18 10:10:29,580 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:10:29,586 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:10:29,587 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:10:29,588 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:10:29,588 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:10:29,588 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:10:29,588 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:10:29,588 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:10:29,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 10:10:29,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:10:29,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:10:29,619 WARN L220 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) [2018-11-18 10:10:29,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:10:29,653 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_300f0601-735a-4a0c-a4c9-4db2f7de592c/bin-2019/utaipan/witness.graphml [2018-11-18 10:10:29,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:10:29,654 INFO L168 Benchmark]: Toolchain (without parser) took 11069.65 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 590.3 MB). Free memory was 955.5 MB in the beginning and 994.5 MB in the end (delta: -39.1 MB). Peak memory consumption was 551.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:29,655 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:10:29,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:29,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.17 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:29,655 INFO L168 Benchmark]: Boogie Preprocessor took 29.10 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:29,656 INFO L168 Benchmark]: RCFGBuilder took 530.75 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:29,656 INFO L168 Benchmark]: TraceAbstraction took 10039.82 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 460.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.6 MB). Peak memory consumption was 550.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:29,656 INFO L168 Benchmark]: Witness Printer took 77.15 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 994.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:29,661 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.17 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.10 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 530.75 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10039.82 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 460.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.6 MB). Peak memory consumption was 550.7 MB. Max. memory is 11.5 GB. * Witness Printer took 77.15 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 994.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 9.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1937 SDtfs, 948 SDslu, 3518 SDs, 0 SdLazy, 1178 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 724 GetRequests, 639 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=626occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 480 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1318 PreInvPairs, 1369 NumberOfFragments, 2308 HoareAnnotationTreeSize, 1318 FomulaSimplifications, 5319 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 7088 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1371 NumberOfCodeBlocks, 1371 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1659 ConstructedInterpolants, 0 QuantifiedInterpolants, 317430 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1592 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 275/291 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...