./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product03_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_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/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 1d1eb208d6efd7de1545c84c5a943059f225aacb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-03 01:21:27,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:21:27,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:21:27,394 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:21:27,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:21:27,395 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:21:27,396 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:21:27,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:21:27,398 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:21:27,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:21:27,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:21:27,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:21:27,399 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:21:27,400 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:21:27,400 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:21:27,401 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:21:27,401 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:21:27,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:21:27,403 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:21:27,404 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:21:27,405 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:21:27,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:21:27,407 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:21:27,407 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:21:27,407 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:21:27,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:21:27,408 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:21:27,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:21:27,409 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:21:27,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:21:27,409 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:21:27,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:21:27,410 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:21:27,410 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:21:27,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:21:27,411 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:21:27,411 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-03 01:21:27,418 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:21:27,419 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:21:27,419 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:21:27,419 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:21:27,420 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:21:27,420 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:21:27,420 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 01:21:27,420 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:21:27,420 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:21:27,420 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:21:27,420 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:21:27,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:21:27,421 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:21:27,421 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:21:27,421 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:21:27,421 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:21:27,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:21:27,421 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:21:27,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:21:27,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:21:27,422 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:21:27,422 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:21:27,422 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:21:27,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:21:27,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:21:27,422 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:21:27,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:21:27,422 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-03 01:21:27,423 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:21:27,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:21:27,423 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_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2018-12-03 01:21:27,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:21:27,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:21:27,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:21:27,450 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:21:27,450 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:21:27,450 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-12-03 01:21:27,484 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/data/a2165d9fc/a1d8fd0db5e54076a23287cbfc0ded91/FLAG762b63c27 [2018-12-03 01:21:27,972 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:21:27,973 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-12-03 01:21:27,978 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/data/a2165d9fc/a1d8fd0db5e54076a23287cbfc0ded91/FLAG762b63c27 [2018-12-03 01:21:27,987 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/data/a2165d9fc/a1d8fd0db5e54076a23287cbfc0ded91 [2018-12-03 01:21:27,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:21:27,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:21:27,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:21:27,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:21:27,992 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:21:27,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:27" (1/1) ... [2018-12-03 01:21:27,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27, skipping insertion in model container [2018-12-03 01:21:27,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:27" (1/1) ... [2018-12-03 01:21:27,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:21:28,017 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:21:28,158 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:21:28,166 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:21:28,240 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:21:28,254 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:21:28,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28 WrapperNode [2018-12-03 01:21:28,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:21:28,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:21:28,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:21:28,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:21:28,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:21:28,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:21:28,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:21:28,276 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:21:28,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... [2018-12-03 01:21:28,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:21:28,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:21:28,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:21:28,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:21:28,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/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 [2018-12-03 01:21:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 01:21:28,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 01:21:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 01:21:28,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 01:21:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:21:28,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:21:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 01:21:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 01:21:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 01:21:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 01:21:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:21:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 01:21:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 01:21:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 01:21:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 01:21:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 01:21:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 01:21:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 01:21:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 01:21:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 01:21:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 01:21:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 01:21:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:21:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:21:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 01:21:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 01:21:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 01:21:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 01:21:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 01:21:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 01:21:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-03 01:21:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-03 01:21:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 01:21:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 01:21:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 01:21:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 01:21:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 01:21:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 01:21:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 01:21:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 01:21:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:21:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:21:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 01:21:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 01:21:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 01:21:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 01:21:28,620 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:21:28,620 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 01:21:28,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:28 BoogieIcfgContainer [2018-12-03 01:21:28,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:21:28,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:21:28,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:21:28,623 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:21:28,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:21:27" (1/3) ... [2018-12-03 01:21:28,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9c7bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:21:28, skipping insertion in model container [2018-12-03 01:21:28,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:28" (2/3) ... [2018-12-03 01:21:28,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9c7bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:21:28, skipping insertion in model container [2018-12-03 01:21:28,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:28" (3/3) ... [2018-12-03 01:21:28,626 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-12-03 01:21:28,632 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:21:28,636 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:21:28,645 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:21:28,663 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 01:21:28,664 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:21:28,664 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:21:28,664 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:21:28,664 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:21:28,664 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:21:28,664 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:21:28,664 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:21:28,664 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:21:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-12-03 01:21:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 01:21:28,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:28,681 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] [2018-12-03 01:21:28,683 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:28,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:28,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2100613552, now seen corresponding path program 1 times [2018-12-03 01:21:28,687 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:21:28,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:21:28,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:28,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:28,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:28,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:28,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:21:28,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 01:21:28,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 01:21:28,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:21:28,840 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-12-03 01:21:28,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:28,859 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2018-12-03 01:21:28,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 01:21:28,860 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-03 01:21:28,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:28,865 INFO L225 Difference]: With dead ends: 192 [2018-12-03 01:21:28,865 INFO L226 Difference]: Without dead ends: 96 [2018-12-03 01:21:28,867 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 [2018-12-03 01:21:28,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-03 01:21:28,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-12-03 01:21:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-03 01:21:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-12-03 01:21:28,896 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 52 [2018-12-03 01:21:28,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:28,896 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-12-03 01:21:28,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 01:21:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-12-03 01:21:28,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 01:21:28,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:28,898 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:28,899 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:28,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:28,899 INFO L82 PathProgramCache]: Analyzing trace with hash -474269760, now seen corresponding path program 1 times [2018-12-03 01:21:28,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:21:28,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:21:28,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:28,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:28,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:28,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:28,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:21:28,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:21:28,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:21:28,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:21:28,962 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 3 states. [2018-12-03 01:21:28,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:28,971 INFO L93 Difference]: Finished difference Result 132 states and 151 transitions. [2018-12-03 01:21:28,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:21:28,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-03 01:21:28,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:28,973 INFO L225 Difference]: With dead ends: 132 [2018-12-03 01:21:28,973 INFO L226 Difference]: Without dead ends: 87 [2018-12-03 01:21:28,973 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 [2018-12-03 01:21:28,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-12-03 01:21:28,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-12-03 01:21:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-03 01:21:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-12-03 01:21:28,979 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 53 [2018-12-03 01:21:28,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:28,980 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-12-03 01:21:28,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:21:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-12-03 01:21:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 01:21:28,981 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:28,981 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] [2018-12-03 01:21:28,981 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:28,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:28,981 INFO L82 PathProgramCache]: Analyzing trace with hash -198901199, now seen corresponding path program 1 times [2018-12-03 01:21:28,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:21:28,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:21:28,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:28,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:28,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:29,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:29,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:21:29,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:21:29,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:21:29,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:21:29,046 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 3 states. [2018-12-03 01:21:29,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:29,063 INFO L93 Difference]: Finished difference Result 208 states and 247 transitions. [2018-12-03 01:21:29,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:21:29,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-03 01:21:29,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:29,066 INFO L225 Difference]: With dead ends: 208 [2018-12-03 01:21:29,066 INFO L226 Difference]: Without dead ends: 145 [2018-12-03 01:21:29,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:21:29,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-03 01:21:29,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 135. [2018-12-03 01:21:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-03 01:21:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 159 transitions. [2018-12-03 01:21:29,079 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 159 transitions. Word has length 57 [2018-12-03 01:21:29,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:29,079 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 159 transitions. [2018-12-03 01:21:29,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:21:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-12-03 01:21:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-03 01:21:29,081 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:29,081 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] [2018-12-03 01:21:29,081 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:29,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:29,081 INFO L82 PathProgramCache]: Analyzing trace with hash -62652121, now seen corresponding path program 1 times [2018-12-03 01:21:29,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:21:29,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:21:29,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:29,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:29,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:29,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:29,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:21:29,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:21:29,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:21:29,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:21:29,148 INFO L87 Difference]: Start difference. First operand 135 states and 159 transitions. Second operand 6 states. [2018-12-03 01:21:29,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:29,269 INFO L93 Difference]: Finished difference Result 338 states and 425 transitions. [2018-12-03 01:21:29,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:21:29,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-03 01:21:29,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:29,271 INFO L225 Difference]: With dead ends: 338 [2018-12-03 01:21:29,271 INFO L226 Difference]: Without dead ends: 227 [2018-12-03 01:21:29,272 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:21:29,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-03 01:21:29,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 223. [2018-12-03 01:21:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-12-03 01:21:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 271 transitions. [2018-12-03 01:21:29,287 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 271 transitions. Word has length 60 [2018-12-03 01:21:29,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:29,288 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 271 transitions. [2018-12-03 01:21:29,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:21:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 271 transitions. [2018-12-03 01:21:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-03 01:21:29,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:29,290 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] [2018-12-03 01:21:29,290 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:29,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:29,290 INFO L82 PathProgramCache]: Analyzing trace with hash -512997727, now seen corresponding path program 1 times [2018-12-03 01:21:29,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:21:29,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:21:29,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:29,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:29,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:21:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:21:29,367 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 01:21:29,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:21:29 BoogieIcfgContainer [2018-12-03 01:21:29,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:21:29,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:21:29,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:21:29,433 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:21:29,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:28" (3/4) ... [2018-12-03 01:21:29,435 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 01:21:29,496 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cbb27411-4dc5-40a2-958b-c9cf0e0adf76/bin-2019/uautomizer/witness.graphml [2018-12-03 01:21:29,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:21:29,497 INFO L168 Benchmark]: Toolchain (without parser) took 1508.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 954.9 MB in the beginning and 884.6 MB in the end (delta: 70.3 MB). Peak memory consumption was 194.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:29,498 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:21:29,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:29,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.21 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:29,499 INFO L168 Benchmark]: Boogie Preprocessor took 20.96 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. [2018-12-03 01:21:29,499 INFO L168 Benchmark]: RCFGBuilder took 323.93 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: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:29,499 INFO L168 Benchmark]: TraceAbstraction took 811.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.7 MB in the end (delta: 158.1 MB). Peak memory consumption was 158.1 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:29,500 INFO L168 Benchmark]: Witness Printer took 63.95 ms. Allocated memory is still 1.2 GB. Free memory was 905.7 MB in the beginning and 884.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:29,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.21 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.96 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 323.93 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: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 811.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.7 MB in the end (delta: 158.1 MB). Peak memory consumption was 158.1 MB. Max. memory is 11.5 GB. * Witness Printer took 63.95 ms. Allocated memory is still 1.2 GB. Free memory was 905.7 MB in the beginning and 884.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L763] int retValue_acc ; [L764] 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] [L768] 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] [L769] 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] [L770] 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] [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] 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] [L770] 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] [L770] tmp = valid_product() [L772] 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] [L774] 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] [L775] 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] [L757] 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] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] 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] [L55] 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] [L57] 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] [L63] tmp = __VERIFIER_nondet_int() [L65] 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] [L67] 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] [L804] COND TRUE waterLevel < 2 [L805] 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] [L67] 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] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] 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] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] 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] [L100] 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] [L127] 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] [L134] 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] [L136] FCALL 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] [L142] CALL __utac_acc__Specification3_spec__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, waterLevel=2] [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___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, waterLevel=2] [L663] 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] [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] 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] [L663] 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] [L663] tmp = isMethaneLevelCritical() [L665] 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] [L669] CALL, EXPR getWaterLevel() 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] [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L669] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 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=2, waterLevel=2] [L673] CALL, EXPR isPumpRunning() 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] [L182] int retValue_acc ; [L185] retValue_acc = pumpRunning [L186] 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] [L673] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___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=2, tmp___1=0, waterLevel=2] [L679] CALL __automaton_fail() 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] [L650] __VERIFIER_error() 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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 132 SDslu, 502 SDs, 0 SdLazy, 67 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...