./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product34_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_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45e9be5ff3d2c5f3e04037cd81f89ba3fcf7e541 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:47:43,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:47:43,419 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:47:43,424 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:47:43,425 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:47:43,425 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:47:43,426 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:47:43,427 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:47:43,429 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:47:43,429 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:47:43,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:47:43,430 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:47:43,431 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:47:43,432 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:47:43,432 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:47:43,433 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:47:43,434 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:47:43,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:47:43,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:47:43,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:47:43,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:47:43,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:47:43,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:47:43,442 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:47:43,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:47:43,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:47:43,444 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:47:43,444 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:47:43,445 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:47:43,446 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:47:43,446 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:47:43,447 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:47:43,447 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:47:43,447 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:47:43,448 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:47:43,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:47:43,449 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 05:47:43,459 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:47:43,459 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:47:43,460 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:47:43,460 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 05:47:43,460 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:47:43,460 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:47:43,460 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 05:47:43,461 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:47:43,461 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:47:43,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:47:43,462 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 05:47:43,462 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:47:43,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:47:43,463 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer 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 -> Automizer 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 -> 45e9be5ff3d2c5f3e04037cd81f89ba3fcf7e541 [2018-12-02 05:47:43,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:47:43,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:47:43,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:47:43,490 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:47:43,490 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:47:43,490 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product34_false-unreach-call_false-termination.cil.c [2018-12-02 05:47:43,525 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/data/17dc89ab2/1310e8b497a84465a7ecd413bd9d25fa/FLAG45574b54f [2018-12-02 05:47:43,977 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:47:43,977 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/sv-benchmarks/c/product-lines/minepump_spec1_product34_false-unreach-call_false-termination.cil.c [2018-12-02 05:47:43,983 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/data/17dc89ab2/1310e8b497a84465a7ecd413bd9d25fa/FLAG45574b54f [2018-12-02 05:47:43,991 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/data/17dc89ab2/1310e8b497a84465a7ecd413bd9d25fa [2018-12-02 05:47:43,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:47:43,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:47:43,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:47:43,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:47:43,996 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:47:43,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:47:43" (1/1) ... [2018-12-02 05:47:43,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:43, skipping insertion in model container [2018-12-02 05:47:43,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:47:43" (1/1) ... [2018-12-02 05:47:44,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:47:44,021 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:47:44,165 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:47:44,172 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:47:44,259 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:47:44,273 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:47:44,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44 WrapperNode [2018-12-02 05:47:44,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:47:44,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:47:44,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:47:44,274 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:47:44,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:47:44,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:47:44,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:47:44,294 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:47:44,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... [2018-12-02 05:47:44,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:47:44,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:47:44,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:47:44,315 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:47:44,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/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 05:47:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 05:47:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 05:47:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 05:47:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 05:47:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:47:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 05:47:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 05:47:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 05:47:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 05:47:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 05:47:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 05:47:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 05:47:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 05:47:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 05:47:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 05:47:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 05:47:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 05:47:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 05:47:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 05:47:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 05:47:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 05:47:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 05:47:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 05:47:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 05:47:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 05:47:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 05:47:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 05:47:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 05:47:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 05:47:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 05:47:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 05:47:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 05:47:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 05:47:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 05:47:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 05:47:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 05:47:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 05:47:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 05:47:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 05:47:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 05:47:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 05:47:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 05:47:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 05:47:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 05:47:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 05:47:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 05:47:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:47:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:47:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 05:47:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 05:47:44,648 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:47:44,649 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 05:47:44,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:47:44 BoogieIcfgContainer [2018-12-02 05:47:44,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:47:44,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 05:47:44,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 05:47:44,652 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 05:47:44,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:47:43" (1/3) ... [2018-12-02 05:47:44,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ee1856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:47:44, skipping insertion in model container [2018-12-02 05:47:44,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:47:44" (2/3) ... [2018-12-02 05:47:44,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ee1856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:47:44, skipping insertion in model container [2018-12-02 05:47:44,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:47:44" (3/3) ... [2018-12-02 05:47:44,655 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product34_false-unreach-call_false-termination.cil.c [2018-12-02 05:47:44,663 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 05:47:44,670 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 05:47:44,682 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 05:47:44,700 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 05:47:44,700 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 05:47:44,700 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 05:47:44,700 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 05:47:44,701 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 05:47:44,701 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 05:47:44,701 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 05:47:44,701 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 05:47:44,701 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 05:47:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-12-02 05:47:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 05:47:44,717 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:44,718 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 05:47:44,719 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:44,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:44,723 INFO L82 PathProgramCache]: Analyzing trace with hash -490511668, now seen corresponding path program 1 times [2018-12-02 05:47:44,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:44,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:44,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:44,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:44,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:44,866 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 05:47:44,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:44,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 05:47:44,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 05:47:44,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 05:47:44,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:47:44,880 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-12-02 05:47:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:44,900 INFO L93 Difference]: Finished difference Result 218 states and 271 transitions. [2018-12-02 05:47:44,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 05:47:44,901 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 05:47:44,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:44,908 INFO L225 Difference]: With dead ends: 218 [2018-12-02 05:47:44,908 INFO L226 Difference]: Without dead ends: 109 [2018-12-02 05:47:44,910 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 05:47:44,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-02 05:47:44,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-02 05:47:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-02 05:47:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2018-12-02 05:47:44,938 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 46 [2018-12-02 05:47:44,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:44,938 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2018-12-02 05:47:44,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 05:47:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2018-12-02 05:47:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 05:47:44,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:44,940 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 05:47:44,940 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:44,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:44,941 INFO L82 PathProgramCache]: Analyzing trace with hash -2101326345, now seen corresponding path program 1 times [2018-12-02 05:47:44,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:44,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:44,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:44,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:44,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:44,999 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 05:47:44,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:45,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 05:47:45,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:47:45,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:47:45,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 05:47:45,002 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2018-12-02 05:47:45,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:45,016 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-12-02 05:47:45,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:47:45,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 05:47:45,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:45,018 INFO L225 Difference]: With dead ends: 163 [2018-12-02 05:47:45,018 INFO L226 Difference]: Without dead ends: 100 [2018-12-02 05:47:45,019 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 05:47:45,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-02 05:47:45,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-02 05:47:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-02 05:47:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-12-02 05:47:45,026 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 47 [2018-12-02 05:47:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:45,027 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-12-02 05:47:45,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:47:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-12-02 05:47:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 05:47:45,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:45,028 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:47:45,028 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:45,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:45,028 INFO L82 PathProgramCache]: Analyzing trace with hash 856028956, now seen corresponding path program 1 times [2018-12-02 05:47:45,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:45,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:45,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:45,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:45,113 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 05:47:45,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:45,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:47:45,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:47:45,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:47:45,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:47:45,114 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2018-12-02 05:47:45,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:45,267 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2018-12-02 05:47:45,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:47:45,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 05:47:45,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:45,268 INFO L225 Difference]: With dead ends: 176 [2018-12-02 05:47:45,269 INFO L226 Difference]: Without dead ends: 100 [2018-12-02 05:47:45,269 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 05:47:45,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-02 05:47:45,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-02 05:47:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-02 05:47:45,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-12-02 05:47:45,278 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2018-12-02 05:47:45,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:45,279 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-12-02 05:47:45,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:47:45,279 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-12-02 05:47:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 05:47:45,280 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:45,280 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] [2018-12-02 05:47:45,281 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:45,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:45,281 INFO L82 PathProgramCache]: Analyzing trace with hash -2051783623, now seen corresponding path program 1 times [2018-12-02 05:47:45,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:45,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:45,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:45,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:45,351 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 05:47:45,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:45,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 05:47:45,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 05:47:45,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 05:47:45,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 05:47:45,352 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 5 states. [2018-12-02 05:47:45,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:45,589 INFO L93 Difference]: Finished difference Result 264 states and 317 transitions. [2018-12-02 05:47:45,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:47:45,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-12-02 05:47:45,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:45,591 INFO L225 Difference]: With dead ends: 264 [2018-12-02 05:47:45,591 INFO L226 Difference]: Without dead ends: 188 [2018-12-02 05:47:45,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:47:45,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-12-02 05:47:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 169. [2018-12-02 05:47:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-12-02 05:47:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 193 transitions. [2018-12-02 05:47:45,609 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 193 transitions. Word has length 60 [2018-12-02 05:47:45,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:45,610 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 193 transitions. [2018-12-02 05:47:45,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 05:47:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 193 transitions. [2018-12-02 05:47:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 05:47:45,612 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:45,612 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:47:45,612 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:45,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:45,613 INFO L82 PathProgramCache]: Analyzing trace with hash 838101930, now seen corresponding path program 1 times [2018-12-02 05:47:45,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:45,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:45,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:45,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:45,696 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 05:47:45,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:45,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 05:47:45,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 05:47:45,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 05:47:45,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 05:47:45,697 INFO L87 Difference]: Start difference. First operand 169 states and 193 transitions. Second operand 8 states. [2018-12-02 05:47:45,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:45,727 INFO L93 Difference]: Finished difference Result 321 states and 377 transitions. [2018-12-02 05:47:45,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 05:47:45,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 74 [2018-12-02 05:47:45,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:45,729 INFO L225 Difference]: With dead ends: 321 [2018-12-02 05:47:45,730 INFO L226 Difference]: Without dead ends: 176 [2018-12-02 05:47:45,730 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 05:47:45,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-12-02 05:47:45,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 173. [2018-12-02 05:47:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-12-02 05:47:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 197 transitions. [2018-12-02 05:47:45,742 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 197 transitions. Word has length 74 [2018-12-02 05:47:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:45,743 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 197 transitions. [2018-12-02 05:47:45,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 05:47:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 197 transitions. [2018-12-02 05:47:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 05:47:45,744 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:45,744 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:47:45,744 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:45,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:45,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1085126104, now seen corresponding path program 1 times [2018-12-02 05:47:45,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:45,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:45,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:45,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:45,793 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 05:47:45,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:45,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:47:45,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:47:45,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:47:45,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:47:45,795 INFO L87 Difference]: Start difference. First operand 173 states and 197 transitions. Second operand 6 states. [2018-12-02 05:47:45,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:45,906 INFO L93 Difference]: Finished difference Result 456 states and 538 transitions. [2018-12-02 05:47:45,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 05:47:45,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2018-12-02 05:47:45,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:45,908 INFO L225 Difference]: With dead ends: 456 [2018-12-02 05:47:45,909 INFO L226 Difference]: Without dead ends: 307 [2018-12-02 05:47:45,910 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 05:47:45,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-12-02 05:47:45,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2018-12-02 05:47:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-12-02 05:47:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 344 transitions. [2018-12-02 05:47:45,931 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 344 transitions. Word has length 74 [2018-12-02 05:47:45,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:45,931 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 344 transitions. [2018-12-02 05:47:45,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:47:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 344 transitions. [2018-12-02 05:47:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 05:47:45,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:45,933 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:47:45,933 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:45,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:45,934 INFO L82 PathProgramCache]: Analyzing trace with hash -531312252, now seen corresponding path program 1 times [2018-12-02 05:47:45,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:45,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:45,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:45,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:46,004 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 05:47:46,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:46,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:47:46,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:47:46,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:47:46,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:47:46,005 INFO L87 Difference]: Start difference. First operand 301 states and 344 transitions. Second operand 7 states. [2018-12-02 05:47:46,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:46,279 INFO L93 Difference]: Finished difference Result 336 states and 397 transitions. [2018-12-02 05:47:46,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 05:47:46,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2018-12-02 05:47:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:46,280 INFO L225 Difference]: With dead ends: 336 [2018-12-02 05:47:46,281 INFO L226 Difference]: Without dead ends: 333 [2018-12-02 05:47:46,281 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 05:47:46,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-12-02 05:47:46,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 301. [2018-12-02 05:47:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-12-02 05:47:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 343 transitions. [2018-12-02 05:47:46,293 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 343 transitions. Word has length 78 [2018-12-02 05:47:46,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:46,293 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 343 transitions. [2018-12-02 05:47:46,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:47:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 343 transitions. [2018-12-02 05:47:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 05:47:46,294 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:46,294 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:47:46,294 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:46,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:46,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1078530672, now seen corresponding path program 1 times [2018-12-02 05:47:46,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:46,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:46,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:46,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:46,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:46,332 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 05:47:46,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:46,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:47:46,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:47:46,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:47:46,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:47:46,333 INFO L87 Difference]: Start difference. First operand 301 states and 343 transitions. Second operand 6 states. [2018-12-02 05:47:46,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:46,363 INFO L93 Difference]: Finished difference Result 588 states and 680 transitions. [2018-12-02 05:47:46,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:47:46,363 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-02 05:47:46,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:46,365 INFO L225 Difference]: With dead ends: 588 [2018-12-02 05:47:46,365 INFO L226 Difference]: Without dead ends: 311 [2018-12-02 05:47:46,365 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 05:47:46,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-12-02 05:47:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2018-12-02 05:47:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-12-02 05:47:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 353 transitions. [2018-12-02 05:47:46,379 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 353 transitions. Word has length 79 [2018-12-02 05:47:46,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:46,380 INFO L480 AbstractCegarLoop]: Abstraction has 311 states and 353 transitions. [2018-12-02 05:47:46,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:47:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 353 transitions. [2018-12-02 05:47:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 05:47:46,381 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:46,381 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:47:46,381 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:46,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:46,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1441046259, now seen corresponding path program 1 times [2018-12-02 05:47:46,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:46,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:46,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:46,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:46,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:47:46,433 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 05:47:46,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:47:46,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 05:47:46,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 05:47:46,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 05:47:46,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 05:47:46,434 INFO L87 Difference]: Start difference. First operand 311 states and 353 transitions. Second operand 4 states. [2018-12-02 05:47:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:47:46,551 INFO L93 Difference]: Finished difference Result 943 states and 1128 transitions. [2018-12-02 05:47:46,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 05:47:46,551 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2018-12-02 05:47:46,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:47:46,554 INFO L225 Difference]: With dead ends: 943 [2018-12-02 05:47:46,554 INFO L226 Difference]: Without dead ends: 656 [2018-12-02 05:47:46,555 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 05:47:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-12-02 05:47:46,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 433. [2018-12-02 05:47:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-12-02 05:47:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 488 transitions. [2018-12-02 05:47:46,587 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 488 transitions. Word has length 79 [2018-12-02 05:47:46,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:47:46,587 INFO L480 AbstractCegarLoop]: Abstraction has 433 states and 488 transitions. [2018-12-02 05:47:46,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 05:47:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 488 transitions. [2018-12-02 05:47:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 05:47:46,589 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:47:46,589 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:47:46,589 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:47:46,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:47:46,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1178047155, now seen corresponding path program 1 times [2018-12-02 05:47:46,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:47:46,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:47:46,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:46,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:47:46,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:47:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:47:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:47:46,693 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 05:47:46,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:47:46 BoogieIcfgContainer [2018-12-02 05:47:46,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:47:46,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:47:46,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:47:46,788 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:47:46,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:47:44" (3/4) ... [2018-12-02 05:47:46,789 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 05:47:46,867 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee7cb611-077e-4692-95bb-c30d51ebbd9c/bin-2019/uautomizer/witness.graphml [2018-12-02 05:47:46,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:47:46,868 INFO L168 Benchmark]: Toolchain (without parser) took 2875.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 956.0 MB in the beginning and 935.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 208.0 MB. Max. memory is 11.5 GB. [2018-12-02 05:47:46,869 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:47:46,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -117.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:47:46,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:47:46,869 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-02 05:47:46,869 INFO L168 Benchmark]: RCFGBuilder took 334.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-02 05:47:46,869 INFO L168 Benchmark]: TraceAbstraction took 2137.37 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.6 MB). Free memory was 1.0 GB in the beginning and 964.8 MB in the end (delta: 53.5 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. [2018-12-02 05:47:46,870 INFO L168 Benchmark]: Witness Printer took 80.21 ms. Allocated memory is still 1.2 GB. Free memory was 964.8 MB in the beginning and 935.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-02 05:47:46,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -117.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 334.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2137.37 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.6 MB). Free memory was 1.0 GB in the beginning and 964.8 MB in the end (delta: 53.5 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. * Witness Printer took 80.21 ms. Allocated memory is still 1.2 GB. Free memory was 964.8 MB in the beginning and 935.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 514]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L524] int waterLevel = 1; [L525] int methaneLevelCritical = 0; [L689] int pumpRunning = 0; [L690] int systemActive = 1; [L121] int retValue_acc ; [L122] 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] [L126] 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] [L127] 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] [L128] 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] [L902] int retValue_acc ; [L905] retValue_acc = 1 [L906] 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] [L128] 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] [L128] tmp = valid_product() [L130] 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] [L132] 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] [L133] 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] [L112] 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] [L620] int splverifierCounter ; [L621] int tmp ; [L622] int tmp___0 ; [L623] int tmp___1 ; [L624] int tmp___2 ; [L627] 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] [L629] 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] [L631] 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] [L637] tmp = __VERIFIER_nondet_int() [L639] 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] [L641] 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] [L542] COND TRUE waterLevel < 2 [L543] 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] [L641] 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] [L647] tmp___0 = __VERIFIER_nondet_int() [L649] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L651] CALL changeMethaneLevel() 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] [L554] COND FALSE !(\read(methaneLevelCritical)) [L557] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L651] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L657] tmp___2 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___2)) [L665] tmp___1 = __VERIFIER_nondet_int() [L667] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L674] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L697] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L704] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L706] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L726] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L729] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L731] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L823] int retValue_acc ; [L824] int tmp ; [L825] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L829] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L604] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L607] COND FALSE !(waterLevel < 2) [L611] retValue_acc = 0 [L612] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L829] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L829] tmp = isHighWaterSensorDry() [L831] COND FALSE !(\read(tmp)) [L834] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L836] retValue_acc = tmp___0 [L837] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L731] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L731] tmp = isHighWaterLevel() [L733] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L735] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L754] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L735] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L706] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L712] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L851] int tmp ; [L852] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L856] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L563] int retValue_acc ; [L566] retValue_acc = methaneLevelCritical [L567] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L856] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L856] tmp = isMethaneLevelCritical() [L858] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L860] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L778] int retValue_acc ; [L781] retValue_acc = pumpRunning [L782] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L860] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L860] tmp___0 = isPumpRunning() [L862] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L864] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L514] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. UNSAFE Result, 2.0s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1124 SDtfs, 645 SDslu, 2302 SDs, 0 SdLazy, 833 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 283 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 672 NumberOfCodeBlocks, 672 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 67283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...