./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:55:25,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:55:25,069 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:55:25,075 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:55:25,076 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:55:25,076 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:55:25,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:55:25,078 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:55:25,079 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:55:25,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:55:25,080 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:55:25,080 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:55:25,081 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:55:25,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:55:25,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:55:25,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:55:25,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:55:25,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:55:25,085 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:55:25,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:55:25,086 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:55:25,087 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:55:25,088 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:55:25,088 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:55:25,088 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:55:25,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:55:25,089 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:55:25,090 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:55:25,090 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:55:25,091 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:55:25,091 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:55:25,091 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:55:25,091 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:55:25,092 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:55:25,092 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:55:25,093 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:55:25,093 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:55:25,100 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:55:25,100 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:55:25,101 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:55:25,101 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:55:25,101 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:55:25,101 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:55:25,101 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:55:25,101 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:55:25,101 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:55:25,102 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:55:25,102 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:55:25,102 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:55:25,102 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:55:25,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:55:25,102 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:55:25,102 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:55:25,102 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:55:25,103 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:55:25,103 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:55:25,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:55:25,104 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:55:25,104 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:55:25,104 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:55:25,104 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:55:25,104 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:55:25,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:55:25,104 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:55:25,104 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_336bdfaa-5539-461e-8467-0ac39fb15a64/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2018-12-09 17:55:25,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:55:25,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:55:25,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:55:25,134 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:55:25,135 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:55:25,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-12-09 17:55:25,177 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/data/682e27c4c/919535d44c994bfcb45c9a8aa4f2f9c0/FLAG2b2adc7f0 [2018-12-09 17:55:25,618 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:55:25,618 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-12-09 17:55:25,625 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/data/682e27c4c/919535d44c994bfcb45c9a8aa4f2f9c0/FLAG2b2adc7f0 [2018-12-09 17:55:25,633 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/data/682e27c4c/919535d44c994bfcb45c9a8aa4f2f9c0 [2018-12-09 17:55:25,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:55:25,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:55:25,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:55:25,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:55:25,638 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:55:25,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25, skipping insertion in model container [2018-12-09 17:55:25,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:55:25,665 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:55:25,812 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:55:25,820 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:55:25,895 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:55:25,910 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:55:25,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25 WrapperNode [2018-12-09 17:55:25,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:55:25,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:55:25,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:55:25,911 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:55:25,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:55:25,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:55:25,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:55:25,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:55:25,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... [2018-12-09 17:55:25,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:55:25,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:55:25,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:55:25,955 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:55:25,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:55:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 17:55:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 17:55:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:55:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:55:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 17:55:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 17:55:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:55:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 17:55:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 17:55:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 17:55:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 17:55:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 17:55:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 17:55:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 17:55:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 17:55:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 17:55:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 17:55:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 17:55:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 17:55:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 17:55:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 17:55:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 17:55:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 17:55:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 17:55:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 17:55:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 17:55:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 17:55:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 17:55:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:55:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 17:55:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 17:55:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 17:55:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 17:55:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 17:55:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:55:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 17:55:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 17:55:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 17:55:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:55:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:55:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 17:55:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 17:55:26,276 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:55:26,276 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 17:55:26,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:55:26 BoogieIcfgContainer [2018-12-09 17:55:26,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:55:26,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:55:26,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:55:26,279 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:55:26,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:55:25" (1/3) ... [2018-12-09 17:55:26,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a15377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:55:26, skipping insertion in model container [2018-12-09 17:55:26,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:55:25" (2/3) ... [2018-12-09 17:55:26,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a15377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:55:26, skipping insertion in model container [2018-12-09 17:55:26,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:55:26" (3/3) ... [2018-12-09 17:55:26,281 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-12-09 17:55:26,287 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:55:26,292 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:55:26,302 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:55:26,321 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:55:26,321 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:55:26,321 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:55:26,321 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:55:26,321 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:55:26,321 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:55:26,321 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:55:26,321 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:55:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-12-09 17:55:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 17:55:26,339 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:26,340 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:26,341 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:26,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:26,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1105178767, now seen corresponding path program 1 times [2018-12-09 17:55:26,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:26,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:26,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:26,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:26,373 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:55:26,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:55:26,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:55:26,483 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:26,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:55:26,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:55:26,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:55:26,495 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-12-09 17:55:26,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:26,518 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2018-12-09 17:55:26,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:55:26,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 17:55:26,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:26,526 INFO L225 Difference]: With dead ends: 272 [2018-12-09 17:55:26,526 INFO L226 Difference]: Without dead ends: 136 [2018-12-09 17:55:26,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:55:26,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-09 17:55:26,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-09 17:55:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-09 17:55:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2018-12-09 17:55:26,560 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2018-12-09 17:55:26,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:26,560 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2018-12-09 17:55:26,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:55:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2018-12-09 17:55:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 17:55:26,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:26,562 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:26,562 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:26,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:26,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1895038508, now seen corresponding path program 1 times [2018-12-09 17:55:26,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:26,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:26,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:26,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:26,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:55:26,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:55:26,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:55:26,620 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:26,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:55:26,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:55:26,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:55:26,621 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 3 states. [2018-12-09 17:55:26,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:26,634 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2018-12-09 17:55:26,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:55:26,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 17:55:26,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:26,636 INFO L225 Difference]: With dead ends: 215 [2018-12-09 17:55:26,636 INFO L226 Difference]: Without dead ends: 127 [2018-12-09 17:55:26,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:55:26,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-09 17:55:26,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-09 17:55:26,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-09 17:55:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2018-12-09 17:55:26,644 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2018-12-09 17:55:26,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:26,645 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2018-12-09 17:55:26,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:55:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2018-12-09 17:55:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 17:55:26,646 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:26,646 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:26,646 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:26,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:26,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1633888391, now seen corresponding path program 1 times [2018-12-09 17:55:26,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:26,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:26,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:26,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:26,647 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:55:26,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:55:26,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:55:26,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:26,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:55:26,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:55:26,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:55:26,725 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 7 states. [2018-12-09 17:55:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:26,947 INFO L93 Difference]: Finished difference Result 383 states and 468 transitions. [2018-12-09 17:55:26,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:55:26,947 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 17:55:26,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:26,950 INFO L225 Difference]: With dead ends: 383 [2018-12-09 17:55:26,950 INFO L226 Difference]: Without dead ends: 280 [2018-12-09 17:55:26,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:55:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-12-09 17:55:26,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2018-12-09 17:55:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-12-09 17:55:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2018-12-09 17:55:26,970 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 51 [2018-12-09 17:55:26,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:26,970 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2018-12-09 17:55:26,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:55:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2018-12-09 17:55:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 17:55:26,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:26,972 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:26,972 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:26,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:26,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1409171517, now seen corresponding path program 1 times [2018-12-09 17:55:26,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:26,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:26,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:26,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:26,973 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:55:27,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:55:27,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:55:27,039 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:27,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:55:27,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:55:27,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:55:27,040 INFO L87 Difference]: Start difference. First operand 272 states and 332 transitions. Second operand 6 states. [2018-12-09 17:55:27,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:27,162 INFO L93 Difference]: Finished difference Result 753 states and 944 transitions. [2018-12-09 17:55:27,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:55:27,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 17:55:27,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:27,165 INFO L225 Difference]: With dead ends: 753 [2018-12-09 17:55:27,165 INFO L226 Difference]: Without dead ends: 505 [2018-12-09 17:55:27,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:55:27,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-12-09 17:55:27,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 499. [2018-12-09 17:55:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-12-09 17:55:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 614 transitions. [2018-12-09 17:55:27,192 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 614 transitions. Word has length 57 [2018-12-09 17:55:27,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:27,193 INFO L480 AbstractCegarLoop]: Abstraction has 499 states and 614 transitions. [2018-12-09 17:55:27,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:55:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 614 transitions. [2018-12-09 17:55:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 17:55:27,195 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:27,195 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:27,195 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:27,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:27,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1704165985, now seen corresponding path program 1 times [2018-12-09 17:55:27,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:27,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:27,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:27,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:27,196 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:55:27,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:55:27,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:55:27,249 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:27,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:55:27,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:55:27,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:55:27,249 INFO L87 Difference]: Start difference. First operand 499 states and 614 transitions. Second operand 7 states. [2018-12-09 17:55:27,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:27,647 INFO L93 Difference]: Finished difference Result 1320 states and 1731 transitions. [2018-12-09 17:55:27,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 17:55:27,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 17:55:27,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:27,652 INFO L225 Difference]: With dead ends: 1320 [2018-12-09 17:55:27,652 INFO L226 Difference]: Without dead ends: 845 [2018-12-09 17:55:27,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 17:55:27,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2018-12-09 17:55:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 749. [2018-12-09 17:55:27,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2018-12-09 17:55:27,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 911 transitions. [2018-12-09 17:55:27,705 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 911 transitions. Word has length 61 [2018-12-09 17:55:27,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:27,705 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 911 transitions. [2018-12-09 17:55:27,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:55:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 911 transitions. [2018-12-09 17:55:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 17:55:27,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:27,708 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:27,708 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:27,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:27,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1326343568, now seen corresponding path program 1 times [2018-12-09 17:55:27,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:27,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:27,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:27,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:27,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:55:27,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:55:27,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:55:27,778 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:27,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:55:27,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:55:27,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:55:27,778 INFO L87 Difference]: Start difference. First operand 749 states and 911 transitions. Second operand 4 states. [2018-12-09 17:55:27,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:27,967 INFO L93 Difference]: Finished difference Result 2772 states and 3584 transitions. [2018-12-09 17:55:27,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:55:27,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-09 17:55:27,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:27,975 INFO L225 Difference]: With dead ends: 2772 [2018-12-09 17:55:27,976 INFO L226 Difference]: Without dead ends: 2047 [2018-12-09 17:55:27,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:55:27,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2018-12-09 17:55:28,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2001. [2018-12-09 17:55:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2018-12-09 17:55:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2521 transitions. [2018-12-09 17:55:28,054 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2521 transitions. Word has length 98 [2018-12-09 17:55:28,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:28,054 INFO L480 AbstractCegarLoop]: Abstraction has 2001 states and 2521 transitions. [2018-12-09 17:55:28,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:55:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2521 transitions. [2018-12-09 17:55:28,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 17:55:28,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:28,058 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:28,058 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:28,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:28,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1318584209, now seen corresponding path program 1 times [2018-12-09 17:55:28,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:28,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:28,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:28,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:28,059 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:55:28,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:55:28,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:55:28,118 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:28,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:55:28,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:55:28,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:55:28,119 INFO L87 Difference]: Start difference. First operand 2001 states and 2521 transitions. Second operand 6 states. [2018-12-09 17:55:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:28,184 INFO L93 Difference]: Finished difference Result 4062 states and 5342 transitions. [2018-12-09 17:55:28,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:55:28,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-09 17:55:28,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:28,193 INFO L225 Difference]: With dead ends: 4062 [2018-12-09 17:55:28,193 INFO L226 Difference]: Without dead ends: 2085 [2018-12-09 17:55:28,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:55:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2018-12-09 17:55:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 2061. [2018-12-09 17:55:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2061 states. [2018-12-09 17:55:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2585 transitions. [2018-12-09 17:55:28,270 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2585 transitions. Word has length 98 [2018-12-09 17:55:28,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:28,270 INFO L480 AbstractCegarLoop]: Abstraction has 2061 states and 2585 transitions. [2018-12-09 17:55:28,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:55:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2585 transitions. [2018-12-09 17:55:28,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 17:55:28,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:28,272 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:28,273 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:28,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:28,273 INFO L82 PathProgramCache]: Analyzing trace with hash -425097871, now seen corresponding path program 1 times [2018-12-09 17:55:28,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:28,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:28,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:28,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:28,274 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:55:28,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:55:28,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 17:55:28,334 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:28,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 17:55:28,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 17:55:28,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:55:28,335 INFO L87 Difference]: Start difference. First operand 2061 states and 2585 transitions. Second operand 8 states. [2018-12-09 17:55:28,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:28,419 INFO L93 Difference]: Finished difference Result 3744 states and 4844 transitions. [2018-12-09 17:55:28,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:55:28,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-09 17:55:28,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:28,427 INFO L225 Difference]: With dead ends: 3744 [2018-12-09 17:55:28,427 INFO L226 Difference]: Without dead ends: 1707 [2018-12-09 17:55:28,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:55:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-12-09 17:55:28,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2018-12-09 17:55:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2018-12-09 17:55:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2111 transitions. [2018-12-09 17:55:28,501 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2111 transitions. Word has length 98 [2018-12-09 17:55:28,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:28,501 INFO L480 AbstractCegarLoop]: Abstraction has 1707 states and 2111 transitions. [2018-12-09 17:55:28,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 17:55:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2111 transitions. [2018-12-09 17:55:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 17:55:28,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:28,505 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:28,505 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:28,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:28,505 INFO L82 PathProgramCache]: Analyzing trace with hash -2111915188, now seen corresponding path program 1 times [2018-12-09 17:55:28,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:28,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:28,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:28,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:28,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:55:28,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:55:28,612 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:55:28,612 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-12-09 17:55:28,613 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [51], [53], [54], [57], [72], [75], [76], [80], [81], [83], [92], [96], [100], [103], [108], [111], [116], [119], [135], [136], [137], [138], [139], [141], [146], [149], [150], [152], [157], [159], [160], [165], [167], [199], [203], [210], [211], [219], [225], [229], [230], [233], [235], [238], [240], [243], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [272], [274], [275], [282], [283], [284], [285], [286], [287], [290], [294], [295], [296], [297], [298], [299], [306], [307], [308], [310], [311], [312], [314], [315], [316], [317], [318] [2018-12-09 17:55:28,641 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:55:28,641 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:55:28,982 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:55:28,983 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 17:55:28,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:28,987 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:55:29,180 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.27% of their original sizes. [2018-12-09 17:55:29,180 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:55:29,294 INFO L418 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-12-09 17:55:29,294 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:55:29,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:55:29,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [13] total 29 [2018-12-09 17:55:29,295 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:29,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 17:55:29,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 17:55:29,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:55:29,296 INFO L87 Difference]: Start difference. First operand 1707 states and 2111 transitions. Second operand 18 states. [2018-12-09 17:55:33,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:33,092 INFO L93 Difference]: Finished difference Result 3717 states and 4654 transitions. [2018-12-09 17:55:33,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-09 17:55:33,092 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 102 [2018-12-09 17:55:33,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:33,097 INFO L225 Difference]: With dead ends: 3717 [2018-12-09 17:55:33,097 INFO L226 Difference]: Without dead ends: 2034 [2018-12-09 17:55:33,099 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2018-12-09 17:55:33,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2018-12-09 17:55:33,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2009. [2018-12-09 17:55:33,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2018-12-09 17:55:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2399 transitions. [2018-12-09 17:55:33,150 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2399 transitions. Word has length 102 [2018-12-09 17:55:33,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:33,150 INFO L480 AbstractCegarLoop]: Abstraction has 2009 states and 2399 transitions. [2018-12-09 17:55:33,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 17:55:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2399 transitions. [2018-12-09 17:55:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 17:55:33,154 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:33,154 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:33,154 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:33,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:33,154 INFO L82 PathProgramCache]: Analyzing trace with hash -970041235, now seen corresponding path program 1 times [2018-12-09 17:55:33,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:33,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:33,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:33,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:33,155 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 17:55:33,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:55:33,196 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:55:33,196 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-09 17:55:33,196 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [60], [62], [68], [72], [75], [76], [80], [81], [82], [83], [92], [96], [100], [103], [108], [111], [114], [116], [119], [135], [136], [137], [138], [139], [141], [146], [149], [150], [152], [157], [159], [160], [165], [167], [196], [199], [203], [209], [210], [211], [214], [218], [219], [225], [229], [230], [233], [235], [238], [240], [243], [249], [251], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [268], [269], [272], [274], [275], [276], [277], [280], [281], [282], [283], [284], [285], [286], [287], [290], [291], [294], [295], [296], [297], [298], [299], [304], [305], [306], [307], [308], [309], [310], [311], [312], [314], [315], [316], [317], [318] [2018-12-09 17:55:33,198 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:55:33,198 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:55:34,310 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:55:34,311 INFO L272 AbstractInterpreter]: Visited 122 different actions 666 times. Merged at 19 different actions 53 times. Never widened. Performed 34117 root evaluator evaluations with a maximum evaluation depth of 3. Performed 34117 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-12-09 17:55:34,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:34,313 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:55:34,313 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:55:34,313 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:55:34,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:34,320 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:55:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:34,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:55:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:55:34,438 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:55:34,590 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 17:55:34,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 17:55:34,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-09 17:55:34,606 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:34,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:55:34,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:55:34,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:55:34,607 INFO L87 Difference]: Start difference. First operand 2009 states and 2399 transitions. Second operand 5 states. [2018-12-09 17:55:35,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:35,033 INFO L93 Difference]: Finished difference Result 4084 states and 5187 transitions. [2018-12-09 17:55:35,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:55:35,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-12-09 17:55:35,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:35,046 INFO L225 Difference]: With dead ends: 4084 [2018-12-09 17:55:35,046 INFO L226 Difference]: Without dead ends: 2743 [2018-12-09 17:55:35,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 314 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:55:35,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2018-12-09 17:55:35,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2494. [2018-12-09 17:55:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2494 states. [2018-12-09 17:55:35,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 3041 transitions. [2018-12-09 17:55:35,205 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 3041 transitions. Word has length 157 [2018-12-09 17:55:35,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:35,206 INFO L480 AbstractCegarLoop]: Abstraction has 2494 states and 3041 transitions. [2018-12-09 17:55:35,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:55:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3041 transitions. [2018-12-09 17:55:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 17:55:35,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:55:35,210 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:55:35,210 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:55:35,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:35,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1731977465, now seen corresponding path program 1 times [2018-12-09 17:55:35,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:55:35,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:35,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:35,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:55:35,211 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:55:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 17:55:35,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:55:35,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:55:35,314 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-09 17:55:35,314 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [60], [62], [68], [72], [75], [76], [80], [81], [82], [83], [92], [96], [100], [103], [106], [108], [111], [114], [116], [119], [135], [136], [137], [138], [139], [141], [146], [149], [150], [152], [157], [159], [160], [165], [167], [196], [199], [203], [209], [210], [211], [214], [218], [219], [225], [229], [230], [233], [235], [238], [240], [243], [249], [251], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [268], [269], [272], [274], [275], [276], [277], [280], [281], [282], [283], [284], [285], [286], [287], [290], [291], [294], [295], [296], [297], [298], [299], [304], [305], [306], [307], [308], [309], [310], [311], [312], [314], [315], [316], [317], [318] [2018-12-09 17:55:35,317 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:55:35,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:55:36,257 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:55:36,257 INFO L272 AbstractInterpreter]: Visited 123 different actions 775 times. Merged at 20 different actions 68 times. Never widened. Performed 31470 root evaluator evaluations with a maximum evaluation depth of 3. Performed 31470 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 17 fixpoints after 6 different actions. Largest state had 132 variables. [2018-12-09 17:55:36,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:55:36,258 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:55:36,259 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:55:36,259 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:55:36,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:55:36,265 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:55:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:55:36,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:55:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:55:36,397 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:55:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 17:55:36,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 17:55:36,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 17:55:36,642 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:55:36,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 17:55:36,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 17:55:36,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 17:55:36,642 INFO L87 Difference]: Start difference. First operand 2494 states and 3041 transitions. Second operand 8 states. [2018-12-09 17:55:36,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:55:36,828 INFO L93 Difference]: Finished difference Result 4092 states and 5107 transitions. [2018-12-09 17:55:36,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:55:36,829 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2018-12-09 17:55:36,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:55:36,830 INFO L225 Difference]: With dead ends: 4092 [2018-12-09 17:55:36,830 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:55:36,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 291 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 17:55:36,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:55:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:55:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:55:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:55:36,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-12-09 17:55:36,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:55:36,838 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:55:36,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 17:55:36,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:55:36,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:55:36,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:55:36,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:36,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:37,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:55:38,394 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 43 [2018-12-09 17:55:38,823 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2018-12-09 17:55:39,051 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 36 [2018-12-09 17:55:39,275 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 22 [2018-12-09 17:55:39,947 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 43 [2018-12-09 17:55:40,467 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2018-12-09 17:55:40,527 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 17:55:40,527 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 17:55:40,527 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-12-09 17:55:40,527 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-12-09 17:55:40,527 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-12-09 17:55:40,527 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,527 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,528 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 954) no Hoare annotation was computed. [2018-12-09 17:55:40,528 INFO L448 ceAbstractionStarter]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2018-12-09 17:55:40,528 INFO L448 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,528 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-12-09 17:55:40,528 INFO L448 ceAbstractionStarter]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse0 .cse1)))) [2018-12-09 17:55:40,528 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2018-12-09 17:55:40,528 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 17:55:40,528 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 272) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse0)))) [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 277) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~systemActive~0 1)) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (and (not (= ~systemActive~0 0)) .cse0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse2) (or .cse3 .cse1 .cse0) (or .cse3 .cse7 .cse6) (or .cse4 .cse5 .cse2)))) [2018-12-09 17:55:40,529 INFO L444 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse4) (or .cse1 .cse6) (or .cse2 .cse3 .cse6))) [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-12-09 17:55:40,529 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2018-12-09 17:55:40,529 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2018-12-09 17:55:40,529 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L451 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: true [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L444 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2))) [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 303) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 17:55:40,530 INFO L444 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L444 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-12-09 17:55:40,530 INFO L444 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse4)) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2))) [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 298) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2018-12-09 17:55:40,530 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2018-12-09 17:55:40,530 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2018-12-09 17:55:40,531 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 448) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L444 ceAbstractionStarter]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:55:40,531 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L444 ceAbstractionStarter]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point L443(lines 442 489) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 485) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L444 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 468) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L444 ceAbstractionStarter]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-12-09 17:55:40,531 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2018-12-09 17:55:40,531 INFO L448 ceAbstractionStarter]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0))) [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0))) [2018-12-09 17:55:40,532 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 409) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2018-12-09 17:55:40,532 INFO L451 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: true [2018-12-09 17:55:40,532 INFO L448 ceAbstractionStarter]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point L403-1(line 403) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or (= ~systemActive~0 0) .cse1 .cse2))) [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2018-12-09 17:55:40,533 INFO L451 ceAbstractionStarter]: At program point L891(lines 866 895) the Hoare annotation is: true [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L451 ceAbstractionStarter]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L451 ceAbstractionStarter]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2018-12-09 17:55:40,533 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-12-09 17:55:40,533 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse2 (not .cse7)) (.cse8 (not (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= ~waterLevel~0 2)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~systemActive~0 0)) (.cse6 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse0 .cse6) (or .cse4 .cse7 .cse0 .cse8) (or .cse9 (or .cse0 (not (= ~systemActive~0 1)) .cse3 .cse10)) (or .cse7 .cse0 .cse8 .cse3) (or .cse7 .cse5 .cse8 .cse3) (or .cse0 .cse6 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse7 .cse5 .cse8) (or .cse4 .cse0 .cse9 .cse10) (or .cse5 .cse6 .cse3)))) [2018-12-09 17:55:40,533 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (not .cse8)) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not .cse6)) (.cse9 (not (= ~waterLevel~0 1))) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse2) (or .cse7 .cse8 .cse0 .cse9) (or .cse10 (or .cse0 (not (= ~systemActive~0 1)) .cse2 .cse11)) (or .cse7 .cse0 .cse1 .cse3) (or .cse7 .cse0 (and .cse4 .cse12)) (or .cse7 .cse5 .cse6) (or (and .cse4 .cse9 .cse12) .cse8 .cse0 .cse2) (or .cse7 .cse0 .cse10 .cse11)))) [2018-12-09 17:55:40,533 INFO L444 ceAbstractionStarter]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (not (= ~waterLevel~0 1))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not .cse7)) (.cse9 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (and .cse5 .cse6)) (or .cse4 .cse7 .cse0 .cse8) (or .cse6 .cse9 (<= 2 ~waterLevel~0) .cse3 .cse10) (or .cse7 .cse0 (and .cse8 .cse5) .cse3) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse1 .cse2) (or (not .cse9) .cse0 .cse6 .cse3) (or .cse4 .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2)))))) [2018-12-09 17:55:40,533 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 (and .cse3 .cse4)) (or .cse1 .cse5) (or (and .cse4 .cse3) .cse2 .cse5))) [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point L228(lines 227 246) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 17:55:40,534 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (or .cse1 .cse5)) (or .cse4 (or (= ~systemActive~0 0) .cse5)) (or .cse6 (or .cse0 .cse1 .cse7)) (or .cse0 .cse4 .cse1) (or .cse1 .cse2 .cse3 .cse5) (or .cse6 (or .cse1 (not (= ~systemActive~0 1)) .cse5) .cse7))) [2018-12-09 17:55:40,534 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2018-12-09 17:55:40,534 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2018-12-09 17:55:40,535 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-12-09 17:55:40,535 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2018-12-09 17:55:40,535 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-12-09 17:55:40,535 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-09 17:55:40,535 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-12-09 17:55:40,535 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-09 17:55:40,535 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-09 17:55:40,535 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-09 17:55:40,535 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-09 17:55:40,535 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-12-09 17:55:40,535 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-12-09 17:55:40,535 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-12-09 17:55:40,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:55:40 BoogieIcfgContainer [2018-12-09 17:55:40,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:55:40,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:55:40,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:55:40,543 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:55:40,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:55:26" (3/4) ... [2018-12-09 17:55:40,545 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 17:55:40,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 17:55:40,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 17:55:40,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 17:55:40,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 17:55:40,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 17:55:40,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 17:55:40,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 17:55:40,554 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 17:55:40,554 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 17:55:40,555 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 17:55:40,555 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 17:55:40,555 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 17:55:40,556 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:55:40,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) [2018-12-09 17:55:40,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 17:55:40,598 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_336bdfaa-5539-461e-8467-0ac39fb15a64/bin-2019/utaipan/witness.graphml [2018-12-09 17:55:40,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:55:40,598 INFO L168 Benchmark]: Toolchain (without parser) took 14963.48 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 957.1 MB in the beginning and 1.8 GB in the end (delta: -870.5 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. [2018-12-09 17:55:40,599 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:55:40,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:55:40,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:55:40,599 INFO L168 Benchmark]: Boogie Preprocessor took 22.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:55:40,600 INFO L168 Benchmark]: RCFGBuilder took 322.30 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:55:40,600 INFO L168 Benchmark]: TraceAbstraction took 14265.11 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 879.2 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -768.1 MB). Peak memory consumption was 999.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:55:40,600 INFO L168 Benchmark]: Witness Printer took 55.42 ms. Allocated memory is still 2.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 246.8 kB). Peak memory consumption was 246.8 kB. Max. memory is 11.5 GB. [2018-12-09 17:55:40,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.30 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14265.11 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 879.2 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -768.1 MB). Peak memory consumption was 999.0 MB. Max. memory is 11.5 GB. * Witness Printer took 55.42 ms. Allocated memory is still 2.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 246.8 kB). Peak memory consumption was 246.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 14.2s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 5.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2280 SDtfs, 1547 SDslu, 7148 SDs, 0 SdLazy, 2517 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 837 GetRequests, 723 SyntacticMatches, 8 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2494occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9968283048444726 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 454 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 5455 PreInvPairs, 5875 NumberOfFragments, 1991 HoareAnnotationTreeSize, 5455 FomulaSimplifications, 14390 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 33034 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1278 NumberOfCodeBlocks, 1278 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1573 ConstructedInterpolants, 0 QuantifiedInterpolants, 286165 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1741 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 298/312 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...