./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43_false-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_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/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 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:39:19,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:39:19,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:39:19,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:39:19,088 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:39:19,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:39:19,090 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:39:19,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:39:19,092 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:39:19,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:39:19,093 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:39:19,093 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:39:19,094 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:39:19,095 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:39:19,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:39:19,096 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:39:19,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:39:19,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:39:19,099 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:39:19,100 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:39:19,101 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:39:19,102 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:39:19,103 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:39:19,103 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:39:19,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:39:19,104 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:39:19,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:39:19,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:39:19,106 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:39:19,107 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:39:19,107 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:39:19,107 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:39:19,107 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:39:19,107 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:39:19,108 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:39:19,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:39:19,109 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:39:19,117 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:39:19,118 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:39:19,118 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:39:19,118 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:39:19,118 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:39:19,119 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:39:19,119 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:39:19,119 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:39:19,119 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:39:19,119 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:39:19,119 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:39:19,119 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:39:19,120 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:39:19,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:39:19,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:39:19,120 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:39:19,120 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:39:19,121 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:39:19,121 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:39:19,121 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:39:19,121 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:39:19,121 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:39:19,121 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:39:19,121 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:39:19,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:39:19,122 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:39:19,122 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:39:19,122 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:39:19,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:39:19,122 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:39:19,122 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:39:19,123 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:39:19,123 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:39:19,123 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:39:19,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:39:19,123 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:39:19,123 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_8b6cf926-8929-4c10-aefe-830311c11fa2/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 -> 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 [2018-12-02 08:39:19,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:39:19,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:39:19,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:39:19,155 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:39:19,155 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:39:19,156 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-02 08:39:19,190 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/data/b0a326ea0/93b41b50fee648b2b251a78910cbcb4a/FLAG3e719e2c3 [2018-12-02 08:39:19,549 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:39:19,549 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-02 08:39:19,555 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/data/b0a326ea0/93b41b50fee648b2b251a78910cbcb4a/FLAG3e719e2c3 [2018-12-02 08:39:19,927 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/data/b0a326ea0/93b41b50fee648b2b251a78910cbcb4a [2018-12-02 08:39:19,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:39:19,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:39:19,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:39:19,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:39:19,937 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:39:19,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:39:19" (1/1) ... [2018-12-02 08:39:19,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30baa60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19, skipping insertion in model container [2018-12-02 08:39:19,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:39:19" (1/1) ... [2018-12-02 08:39:19,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:39:19,968 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:39:20,112 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:39:20,119 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:39:20,197 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:39:20,213 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:39:20,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20 WrapperNode [2018-12-02 08:39:20,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:39:20,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:39:20,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:39:20,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:39:20,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:39:20,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:39:20,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:39:20,234 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:39:20,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... [2018-12-02 08:39:20,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:39:20,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:39:20,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:39:20,257 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:39:20,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:39:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 08:39:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 08:39:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:39:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:39:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 08:39:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 08:39:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:39:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 08:39:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 08:39:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 08:39:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 08:39:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 08:39:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 08:39:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 08:39:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 08:39:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 08:39:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 08:39:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 08:39:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 08:39:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 08:39:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 08:39:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 08:39:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 08:39:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 08:39:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 08:39:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 08:39:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 08:39:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 08:39:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 08:39:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 08:39:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 08:39:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 08:39:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 08:39:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 08:39:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 08:39:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 08:39:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 08:39:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 08:39:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 08:39:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 08:39:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 08:39:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 08:39:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 08:39:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 08:39:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 08:39:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 08:39:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:39:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:39:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 08:39:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 08:39:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 08:39:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 08:39:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:39:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:39:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 08:39:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 08:39:20,568 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:39:20,568 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 08:39:20,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:39:20 BoogieIcfgContainer [2018-12-02 08:39:20,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:39:20,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:39:20,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:39:20,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:39:20,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:39:19" (1/3) ... [2018-12-02 08:39:20,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aca331f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:39:20, skipping insertion in model container [2018-12-02 08:39:20,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:20" (2/3) ... [2018-12-02 08:39:20,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aca331f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:39:20, skipping insertion in model container [2018-12-02 08:39:20,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:39:20" (3/3) ... [2018-12-02 08:39:20,575 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-02 08:39:20,583 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:39:20,590 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:39:20,602 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:39:20,621 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:39:20,622 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:39:20,622 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:39:20,622 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:39:20,622 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:39:20,622 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:39:20,622 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:39:20,622 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:39:20,634 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-12-02 08:39:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 08:39:20,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:20,639 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] [2018-12-02 08:39:20,640 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:20,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:20,644 INFO L82 PathProgramCache]: Analyzing trace with hash -184128027, now seen corresponding path program 1 times [2018-12-02 08:39:20,645 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:20,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:20,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:20,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:20,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:39:20,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:39:20,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 08:39:20,781 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:20,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 08:39:20,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 08:39:20,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:39:20,793 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-12-02 08:39:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:20,815 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-02 08:39:20,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 08:39:20,816 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 08:39:20,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:20,823 INFO L225 Difference]: With dead ends: 252 [2018-12-02 08:39:20,823 INFO L226 Difference]: Without dead ends: 126 [2018-12-02 08:39:20,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:39:20,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-02 08:39:20,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-02 08:39:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-02 08:39:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-02 08:39:20,857 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-12-02 08:39:20,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:20,857 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-02 08:39:20,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 08:39:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-02 08:39:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 08:39:20,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:20,859 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] [2018-12-02 08:39:20,859 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:20,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:20,860 INFO L82 PathProgramCache]: Analyzing trace with hash 19630979, now seen corresponding path program 1 times [2018-12-02 08:39:20,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:20,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:20,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:20,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:20,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:39:20,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:39:20,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:39:20,910 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:20,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:39:20,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:39:20,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:39:20,912 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-12-02 08:39:20,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:20,923 INFO L93 Difference]: Finished difference Result 192 states and 223 transitions. [2018-12-02 08:39:20,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:39:20,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 08:39:20,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:20,925 INFO L225 Difference]: With dead ends: 192 [2018-12-02 08:39:20,925 INFO L226 Difference]: Without dead ends: 117 [2018-12-02 08:39:20,926 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:39:20,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-02 08:39:20,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-02 08:39:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-02 08:39:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-12-02 08:39:20,933 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-12-02 08:39:20,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:20,934 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-12-02 08:39:20,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:39:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-12-02 08:39:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 08:39:20,935 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:20,935 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:39:20,935 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:20,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:20,935 INFO L82 PathProgramCache]: Analyzing trace with hash 611754136, now seen corresponding path program 1 times [2018-12-02 08:39:20,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:20,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:20,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:20,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:20,936 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:39:21,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:39:21,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:39:21,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:21,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:39:21,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:39:21,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:39:21,007 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-12-02 08:39:21,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:21,253 INFO L93 Difference]: Finished difference Result 353 states and 423 transitions. [2018-12-02 08:39:21,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:39:21,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 08:39:21,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:21,255 INFO L225 Difference]: With dead ends: 353 [2018-12-02 08:39:21,255 INFO L226 Difference]: Without dead ends: 260 [2018-12-02 08:39:21,256 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 [2018-12-02 08:39:21,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-12-02 08:39:21,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 240. [2018-12-02 08:39:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-12-02 08:39:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 286 transitions. [2018-12-02 08:39:21,274 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 286 transitions. Word has length 51 [2018-12-02 08:39:21,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:21,274 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 286 transitions. [2018-12-02 08:39:21,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:39:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 286 transitions. [2018-12-02 08:39:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 08:39:21,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:21,275 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] [2018-12-02 08:39:21,275 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:21,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:21,276 INFO L82 PathProgramCache]: Analyzing trace with hash -560090356, now seen corresponding path program 1 times [2018-12-02 08:39:21,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:21,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:21,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:21,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:21,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:39:21,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:39:21,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:39:21,336 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:21,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:39:21,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:39:21,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:39:21,337 INFO L87 Difference]: Start difference. First operand 240 states and 286 transitions. Second operand 6 states. [2018-12-02 08:39:21,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:21,453 INFO L93 Difference]: Finished difference Result 657 states and 806 transitions. [2018-12-02 08:39:21,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:39:21,454 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-02 08:39:21,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:21,457 INFO L225 Difference]: With dead ends: 657 [2018-12-02 08:39:21,457 INFO L226 Difference]: Without dead ends: 441 [2018-12-02 08:39:21,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:39:21,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-12-02 08:39:21,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2018-12-02 08:39:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-12-02 08:39:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 522 transitions. [2018-12-02 08:39:21,492 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 522 transitions. Word has length 57 [2018-12-02 08:39:21,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:21,493 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 522 transitions. [2018-12-02 08:39:21,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:39:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 522 transitions. [2018-12-02 08:39:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 08:39:21,495 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:21,496 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] [2018-12-02 08:39:21,496 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:21,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:21,496 INFO L82 PathProgramCache]: Analyzing trace with hash -165783568, now seen corresponding path program 1 times [2018-12-02 08:39:21,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:21,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:21,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:21,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:21,497 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:39:21,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:39:21,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:39:21,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:21,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:39:21,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:39:21,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:39:21,572 INFO L87 Difference]: Start difference. First operand 435 states and 522 transitions. Second operand 7 states. [2018-12-02 08:39:21,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:21,925 INFO L93 Difference]: Finished difference Result 1128 states and 1443 transitions. [2018-12-02 08:39:21,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 08:39:21,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-02 08:39:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:21,929 INFO L225 Difference]: With dead ends: 1128 [2018-12-02 08:39:21,929 INFO L226 Difference]: Without dead ends: 717 [2018-12-02 08:39:21,931 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 [2018-12-02 08:39:21,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-12-02 08:39:21,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 633. [2018-12-02 08:39:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-12-02 08:39:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 761 transitions. [2018-12-02 08:39:21,968 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 761 transitions. Word has length 61 [2018-12-02 08:39:21,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:21,968 INFO L480 AbstractCegarLoop]: Abstraction has 633 states and 761 transitions. [2018-12-02 08:39:21,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:39:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 761 transitions. [2018-12-02 08:39:21,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 08:39:21,970 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:21,970 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] [2018-12-02 08:39:21,970 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:21,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:21,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1529417656, now seen corresponding path program 1 times [2018-12-02 08:39:21,971 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:21,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:21,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:21,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:21,972 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:39:22,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:39:22,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:39:22,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:22,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:39:22,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:39:22,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:39:22,021 INFO L87 Difference]: Start difference. First operand 633 states and 761 transitions. Second operand 6 states. [2018-12-02 08:39:22,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:22,067 INFO L93 Difference]: Finished difference Result 1270 states and 1570 transitions. [2018-12-02 08:39:22,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 08:39:22,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-02 08:39:22,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:22,071 INFO L225 Difference]: With dead ends: 1270 [2018-12-02 08:39:22,071 INFO L226 Difference]: Without dead ends: 661 [2018-12-02 08:39:22,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:39:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-12-02 08:39:22,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 653. [2018-12-02 08:39:22,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-12-02 08:39:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 781 transitions. [2018-12-02 08:39:22,105 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 781 transitions. Word has length 93 [2018-12-02 08:39:22,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:22,106 INFO L480 AbstractCegarLoop]: Abstraction has 653 states and 781 transitions. [2018-12-02 08:39:22,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:39:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 781 transitions. [2018-12-02 08:39:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 08:39:22,108 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:22,108 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] [2018-12-02 08:39:22,108 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:22,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:22,108 INFO L82 PathProgramCache]: Analyzing trace with hash 632024378, now seen corresponding path program 1 times [2018-12-02 08:39:22,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:22,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:22,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:22,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:22,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:39:22,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:39:22,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 08:39:22,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:22,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:39:22,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:39:22,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:39:22,166 INFO L87 Difference]: Start difference. First operand 653 states and 781 transitions. Second operand 8 states. [2018-12-02 08:39:22,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:22,205 INFO L93 Difference]: Finished difference Result 1310 states and 1610 transitions. [2018-12-02 08:39:22,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:39:22,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-02 08:39:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:22,207 INFO L225 Difference]: With dead ends: 1310 [2018-12-02 08:39:22,207 INFO L226 Difference]: Without dead ends: 681 [2018-12-02 08:39:22,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:39:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-12-02 08:39:22,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2018-12-02 08:39:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-12-02 08:39:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 797 transitions. [2018-12-02 08:39:22,227 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 797 transitions. Word has length 93 [2018-12-02 08:39:22,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:22,227 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 797 transitions. [2018-12-02 08:39:22,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:39:22,227 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 797 transitions. [2018-12-02 08:39:22,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 08:39:22,228 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:22,228 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] [2018-12-02 08:39:22,229 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:22,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:22,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1692003461, now seen corresponding path program 1 times [2018-12-02 08:39:22,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:22,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:22,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:22,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:22,230 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:39:22,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:39:22,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 08:39:22,267 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:22,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:39:22,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:39:22,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:39:22,268 INFO L87 Difference]: Start difference. First operand 669 states and 797 transitions. Second operand 4 states. [2018-12-02 08:39:22,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:22,401 INFO L93 Difference]: Finished difference Result 2127 states and 2660 transitions. [2018-12-02 08:39:22,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:39:22,401 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-02 08:39:22,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:22,405 INFO L225 Difference]: With dead ends: 2127 [2018-12-02 08:39:22,405 INFO L226 Difference]: Without dead ends: 1482 [2018-12-02 08:39:22,407 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:39:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2018-12-02 08:39:22,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1451. [2018-12-02 08:39:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2018-12-02 08:39:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1767 transitions. [2018-12-02 08:39:22,451 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1767 transitions. Word has length 93 [2018-12-02 08:39:22,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:22,451 INFO L480 AbstractCegarLoop]: Abstraction has 1451 states and 1767 transitions. [2018-12-02 08:39:22,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:39:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1767 transitions. [2018-12-02 08:39:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 08:39:22,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:22,453 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] [2018-12-02 08:39:22,453 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:22,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:22,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1486305825, now seen corresponding path program 1 times [2018-12-02 08:39:22,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:22,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:22,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:22,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:22,454 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:39:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 08:39:22,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:39:22,530 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:39:22,531 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 98 with the following transitions: [2018-12-02 08:39:22,532 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [32], [34], [35], [38], [41], [43], [46], [56], [57], [61], [62], [64], [73], [77], [81], [84], [89], [92], [97], [100], [116], [117], [118], [119], [120], [122], [127], [130], [131], [133], [138], [140], [141], [146], [148], [180], [184], [191], [192], [200], [206], [210], [211], [214], [216], [219], [221], [224], [233], [234], [235], [236], [237], [238], [239], [240], [241], [245], [247], [248], [249], [250], [251], [252], [257], [258], [259], [260], [263], [267], [268], [269], [270], [271], [272], [279], [280], [281], [283], [284], [285], [287], [288], [289], [290], [291] [2018-12-02 08:39:22,555 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:39:22,555 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:39:22,845 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:39:22,846 INFO L272 AbstractInterpreter]: Visited 73 different actions 73 times. Never merged. Never widened. Performed 2467 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2467 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-02 08:39:22,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:22,851 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:39:23,047 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 97.26% of their original sizes. [2018-12-02 08:39:23,048 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:39:23,153 INFO L418 sIntCurrentIteration]: We unified 96 AI predicates to 96 [2018-12-02 08:39:23,154 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:39:23,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:39:23,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [13] total 29 [2018-12-02 08:39:23,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:39:23,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 08:39:23,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 08:39:23,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-02 08:39:23,155 INFO L87 Difference]: Start difference. First operand 1451 states and 1767 transitions. Second operand 18 states. [2018-12-02 08:39:26,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:39:26,075 INFO L93 Difference]: Finished difference Result 3171 states and 3912 transitions. [2018-12-02 08:39:26,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-02 08:39:26,075 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 97 [2018-12-02 08:39:26,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:39:26,079 INFO L225 Difference]: With dead ends: 3171 [2018-12-02 08:39:26,079 INFO L226 Difference]: Without dead ends: 1744 [2018-12-02 08:39:26,081 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 115 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2018-12-02 08:39:26,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2018-12-02 08:39:26,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1727. [2018-12-02 08:39:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1727 states. [2018-12-02 08:39:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2032 transitions. [2018-12-02 08:39:26,128 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2032 transitions. Word has length 97 [2018-12-02 08:39:26,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:39:26,128 INFO L480 AbstractCegarLoop]: Abstraction has 1727 states and 2032 transitions. [2018-12-02 08:39:26,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 08:39:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2032 transitions. [2018-12-02 08:39:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 08:39:26,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:39:26,131 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:39:26,131 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:39:26,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:39:26,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1406219486, now seen corresponding path program 1 times [2018-12-02 08:39:26,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:39:26,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:26,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:39:26,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:39:26,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:39:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:39:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:39:26,217 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 08:39:26,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:39:26 BoogieIcfgContainer [2018-12-02 08:39:26,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:39:26,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:39:26,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:39:26,300 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:39:26,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:39:20" (3/4) ... [2018-12-02 08:39:26,302 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 08:39:26,384 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b6cf926-8929-4c10-aefe-830311c11fa2/bin-2019/utaipan/witness.graphml [2018-12-02 08:39:26,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:39:26,385 INFO L168 Benchmark]: Toolchain (without parser) took 6454.10 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 433.1 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -266.2 MB). Peak memory consumption was 166.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:39:26,386 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:39:26,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:39:26,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.87 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. [2018-12-02 08:39:26,386 INFO L168 Benchmark]: Boogie Preprocessor took 22.82 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. [2018-12-02 08:39:26,386 INFO L168 Benchmark]: RCFGBuilder took 312.21 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: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:39:26,386 INFO L168 Benchmark]: TraceAbstraction took 5730.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 297.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -186.0 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:39:26,386 INFO L168 Benchmark]: Witness Printer took 84.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:39:26,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.87 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 22.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 312.21 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: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5730.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 297.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -186.0 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * Witness Printer took 84.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 405]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L147] int pumpRunning = 0; [L148] int systemActive = 1; [L436] int cleanupTimeShifts = 4; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int retValue_acc ; [L513] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L517] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L519] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L519] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L519] tmp = valid_product() [L521] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L523] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L524] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L503] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L344] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L346] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L356] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L389] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L299] int retValue_acc ; [L300] int tmp ; [L301] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L305] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] tmp = isHighWaterSensorDry() [L307] COND FALSE !(\read(tmp)) [L310] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L312] retValue_acc = tmp___0 [L313] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L189] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L193] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L243] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L247] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] retValue_acc = isMethaneLevelCritical() [L249] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L222] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] tmp = isMethaneAlarm() [L224] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L228] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L212] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L228] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L193] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L170] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L411] int tmp ; [L412] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] tmp = isMethaneLevelCritical() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L170] RET __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L389] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L344] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L346] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L352] tmp = __VERIFIER_nondet_int() [L354] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L366] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L366] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L389] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L157] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L170] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; [L412] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneLevelCritical() [L418] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L420] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L254] int retValue_acc ; [L257] retValue_acc = pumpRunning [L258] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L420] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L420] tmp___0 = isPumpRunning() [L422] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L424] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L405] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. UNSAFE Result, 5.6s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1603 SDtfs, 1063 SDslu, 4690 SDs, 0 SdLazy, 1202 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 189 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1727occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9967521548646078 AbsIntWeakeningRatio, 1.1145833333333333 AbsIntAvgWeakeningVarsNumRemoved, 83.69791666666667 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 178 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 770 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 629 ConstructedInterpolants, 0 QuantifiedInterpolants, 75807 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...