./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/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 414a1cf94d85c55960b208d82c3570ad577d615a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:38:05,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:38:05,454 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:38:05,462 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:38:05,462 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:38:05,463 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:38:05,463 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:38:05,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:38:05,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:38:05,466 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:38:05,467 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:38:05,467 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:38:05,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:38:05,468 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:38:05,469 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:38:05,469 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:38:05,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:38:05,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:38:05,473 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:38:05,474 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:38:05,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:38:05,475 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:38:05,477 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:38:05,477 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:38:05,477 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:38:05,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:38:05,478 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:38:05,479 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:38:05,479 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:38:05,480 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:38:05,480 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:38:05,481 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:38:05,481 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:38:05,481 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:38:05,482 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:38:05,482 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:38:05,482 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:38:05,492 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:38:05,492 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:38:05,493 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:38:05,493 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:38:05,493 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:38:05,493 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:38:05,493 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:38:05,494 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:38:05,494 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:38:05,494 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:38:05,494 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:38:05,494 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:38:05,494 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:38:05,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:38:05,495 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:38:05,495 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:38:05,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:38:05,496 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:38:05,496 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:38:05,496 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:38:05,496 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:38:05,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:38:05,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:38:05,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:38:05,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:38:05,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:38:05,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:38:05,497 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:38:05,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:38:05,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:38:05,497 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_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/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 -> 414a1cf94d85c55960b208d82c3570ad577d615a [2018-11-23 06:38:05,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:38:05,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:38:05,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:38:05,530 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:38:05,530 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:38:05,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-11-23 06:38:05,565 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/data/ed423a1df/43a96444eca443c8ad819531f21630c5/FLAGddf2c98bb [2018-11-23 06:38:05,880 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:38:05,880 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/sv-benchmarks/c/product-lines/minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-11-23 06:38:05,887 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/data/ed423a1df/43a96444eca443c8ad819531f21630c5/FLAGddf2c98bb [2018-11-23 06:38:05,896 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/data/ed423a1df/43a96444eca443c8ad819531f21630c5 [2018-11-23 06:38:05,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:38:05,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:38:05,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:38:05,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:38:05,903 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:38:05,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:38:05" (1/1) ... [2018-11-23 06:38:05,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:05, skipping insertion in model container [2018-11-23 06:38:05,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:38:05" (1/1) ... [2018-11-23 06:38:05,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:38:05,939 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:38:06,121 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:38:06,130 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:38:06,235 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:38:06,254 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:38:06,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06 WrapperNode [2018-11-23 06:38:06,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:38:06,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:38:06,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:38:06,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:38:06,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:38:06,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:38:06,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:38:06,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:38:06,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... [2018-11-23 06:38:06,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:38:06,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:38:06,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:38:06,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:38:06,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/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 [2018-11-23 06:38:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 06:38:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 06:38:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 06:38:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 06:38:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:38:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:38:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:38:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:38:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 06:38:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 06:38:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:38:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 06:38:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 06:38:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 06:38:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 06:38:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 06:38:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 06:38:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 06:38:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 06:38:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:38:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:38:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:38:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 06:38:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 06:38:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 06:38:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 06:38:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 06:38:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 06:38:06,365 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 06:38:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 06:38:06,365 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 06:38:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 06:38:06,365 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 06:38:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 06:38:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:38:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:38:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 06:38:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 06:38:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 06:38:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 06:38:06,745 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:38:06,745 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 06:38:06,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:38:06 BoogieIcfgContainer [2018-11-23 06:38:06,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:38:06,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:38:06,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:38:06,750 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:38:06,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:38:05" (1/3) ... [2018-11-23 06:38:06,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2c54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:38:06, skipping insertion in model container [2018-11-23 06:38:06,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:38:06" (2/3) ... [2018-11-23 06:38:06,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2c54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:38:06, skipping insertion in model container [2018-11-23 06:38:06,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:38:06" (3/3) ... [2018-11-23 06:38:06,753 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01_true-unreach-call_false-termination.cil.c [2018-11-23 06:38:06,762 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:38:06,768 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:38:06,783 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:38:06,809 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:38:06,810 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:38:06,810 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:38:06,810 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:38:06,810 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:38:06,810 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:38:06,810 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:38:06,810 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:38:06,810 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:38:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-11-23 06:38:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 06:38:06,833 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:38:06,834 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] [2018-11-23 06:38:06,837 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:38:06,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:38:06,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1320945891, now seen corresponding path program 1 times [2018-11-23 06:38:06,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:38:06,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:38:06,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:06,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:38:06,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:38:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:38:07,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:38:07,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:38:07,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:38:07,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:38:07,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:38:07,053 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-11-23 06:38:07,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:38:07,077 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2018-11-23 06:38:07,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:38:07,078 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 06:38:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:38:07,085 INFO L225 Difference]: With dead ends: 162 [2018-11-23 06:38:07,085 INFO L226 Difference]: Without dead ends: 81 [2018-11-23 06:38:07,088 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 [2018-11-23 06:38:07,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-23 06:38:07,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-11-23 06:38:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-23 06:38:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2018-11-23 06:38:07,119 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2018-11-23 06:38:07,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:38:07,119 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2018-11-23 06:38:07,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:38:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2018-11-23 06:38:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 06:38:07,121 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:38:07,121 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] [2018-11-23 06:38:07,121 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:38:07,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:38:07,121 INFO L82 PathProgramCache]: Analyzing trace with hash -987816348, now seen corresponding path program 1 times [2018-11-23 06:38:07,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:38:07,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:38:07,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:07,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:38:07,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:38:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:38:07,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:38:07,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:38:07,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:38:07,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:38:07,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:38:07,195 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2018-11-23 06:38:07,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:38:07,209 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2018-11-23 06:38:07,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:38:07,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 06:38:07,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:38:07,210 INFO L225 Difference]: With dead ends: 111 [2018-11-23 06:38:07,211 INFO L226 Difference]: Without dead ends: 72 [2018-11-23 06:38:07,211 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 [2018-11-23 06:38:07,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-11-23 06:38:07,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-11-23 06:38:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-23 06:38:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2018-11-23 06:38:07,218 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2018-11-23 06:38:07,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:38:07,219 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2018-11-23 06:38:07,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:38:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2018-11-23 06:38:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 06:38:07,221 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:38:07,221 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:38:07,221 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:38:07,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:38:07,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1981651259, now seen corresponding path program 1 times [2018-11-23 06:38:07,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:38:07,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:38:07,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:07,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:38:07,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:38:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:38:07,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:38:07,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:38:07,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:38:07,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:38:07,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:38:07,345 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 7 states. [2018-11-23 06:38:07,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:38:07,500 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2018-11-23 06:38:07,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:38:07,501 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 06:38:07,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:38:07,502 INFO L225 Difference]: With dead ends: 120 [2018-11-23 06:38:07,502 INFO L226 Difference]: Without dead ends: 72 [2018-11-23 06:38:07,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:38:07,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-11-23 06:38:07,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-11-23 06:38:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-23 06:38:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-11-23 06:38:07,511 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2018-11-23 06:38:07,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:38:07,511 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-11-23 06:38:07,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:38:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-11-23 06:38:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 06:38:07,513 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:38:07,513 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] [2018-11-23 06:38:07,513 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:38:07,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:38:07,514 INFO L82 PathProgramCache]: Analyzing trace with hash -926507757, now seen corresponding path program 1 times [2018-11-23 06:38:07,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:38:07,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:38:07,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:07,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:38:07,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:38:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:38:07,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:38:07,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:38:07,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:38:07,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:38:07,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:38:07,621 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 10 states. [2018-11-23 06:38:07,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:38:07,985 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2018-11-23 06:38:07,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:38:07,987 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-11-23 06:38:07,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:38:07,989 INFO L225 Difference]: With dead ends: 196 [2018-11-23 06:38:07,990 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 06:38:07,990 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:38:07,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 06:38:08,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 144. [2018-11-23 06:38:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 06:38:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 171 transitions. [2018-11-23 06:38:08,009 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 171 transitions. Word has length 54 [2018-11-23 06:38:08,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:38:08,010 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 171 transitions. [2018-11-23 06:38:08,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:38:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2018-11-23 06:38:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 06:38:08,012 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:38:08,012 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] [2018-11-23 06:38:08,013 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:38:08,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:38:08,013 INFO L82 PathProgramCache]: Analyzing trace with hash -707886771, now seen corresponding path program 1 times [2018-11-23 06:38:08,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:38:08,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:38:08,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:08,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:38:08,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:38:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:38:08,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:38:08,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:38:08,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:38:08,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:38:08,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:38:08,059 INFO L87 Difference]: Start difference. First operand 144 states and 171 transitions. Second operand 3 states. [2018-11-23 06:38:08,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:38:08,075 INFO L93 Difference]: Finished difference Result 221 states and 265 transitions. [2018-11-23 06:38:08,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:38:08,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-23 06:38:08,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:38:08,077 INFO L225 Difference]: With dead ends: 221 [2018-11-23 06:38:08,078 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 06:38:08,078 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 [2018-11-23 06:38:08,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 06:38:08,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 06:38:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 06:38:08,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 152 transitions. [2018-11-23 06:38:08,090 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 152 transitions. Word has length 58 [2018-11-23 06:38:08,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:38:08,091 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 152 transitions. [2018-11-23 06:38:08,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:38:08,091 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 152 transitions. [2018-11-23 06:38:08,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 06:38:08,092 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:38:08,093 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:38:08,093 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:38:08,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:38:08,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1728138788, now seen corresponding path program 1 times [2018-11-23 06:38:08,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:38:08,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:38:08,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:08,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:38:08,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:38:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:38:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 06:38:08,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:38:08,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:38:08,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:38:08,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:38:08,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:38:08,181 INFO L87 Difference]: Start difference. First operand 134 states and 152 transitions. Second operand 6 states. [2018-11-23 06:38:08,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:38:08,243 INFO L93 Difference]: Finished difference Result 136 states and 154 transitions. [2018-11-23 06:38:08,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:38:08,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 06:38:08,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:38:08,244 INFO L225 Difference]: With dead ends: 136 [2018-11-23 06:38:08,244 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:38:08,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:38:08,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:38:08,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:38:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:38:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:38:08,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-23 06:38:08,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:38:08,246 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:38:08,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:38:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:38:08,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:38:08,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:38:08,658 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2018-11-23 06:38:08,658 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2018-11-23 06:38:08,658 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-23 06:38:08,658 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-23 06:38:08,659 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-23 06:38:08,659 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-23 06:38:08,659 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-23 06:38:08,659 INFO L448 ceAbstractionStarter]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2018-11-23 06:38:08,659 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,659 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2018-11-23 06:38:08,659 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2018-11-23 06:38:08,659 INFO L444 ceAbstractionStarter]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,659 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-11-23 06:38:08,659 INFO L444 ceAbstractionStarter]: At program point L348-2(lines 342 353) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,660 INFO L448 ceAbstractionStarter]: For program point L313(lines 312 357) no Hoare annotation was computed. [2018-11-23 06:38:08,660 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 353) no Hoare annotation was computed. [2018-11-23 06:38:08,660 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,660 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-11-23 06:38:08,660 INFO L448 ceAbstractionStarter]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2018-11-23 06:38:08,660 INFO L444 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,660 INFO L444 ceAbstractionStarter]: At program point L355(lines 312 357) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,660 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2018-11-23 06:38:08,660 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-11-23 06:38:08,660 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2018-11-23 06:38:08,660 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2018-11-23 06:38:08,661 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 06:38:08,661 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2018-11-23 06:38:08,661 INFO L444 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2018-11-23 06:38:08,661 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-11-23 06:38:08,661 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2018-11-23 06:38:08,661 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2018-11-23 06:38:08,661 INFO L451 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: true [2018-11-23 06:38:08,661 INFO L448 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2018-11-23 06:38:08,661 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,661 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2018-11-23 06:38:08,661 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,662 INFO L444 ceAbstractionStarter]: At program point L176-1(line 176) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,662 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 181) no Hoare annotation was computed. [2018-11-23 06:38:08,662 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2018-11-23 06:38:08,662 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2018-11-23 06:38:08,662 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 06:38:08,662 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,662 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,662 INFO L444 ceAbstractionStarter]: At program point L170-1(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,662 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2018-11-23 06:38:08,662 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2018-11-23 06:38:08,662 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2018-11-23 06:38:08,663 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:38:08,663 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:38:08,663 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:38:08,663 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2018-11-23 06:38:08,663 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2018-11-23 06:38:08,663 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2018-11-23 06:38:08,663 INFO L448 ceAbstractionStarter]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2018-11-23 06:38:08,663 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: true [2018-11-23 06:38:08,663 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2018-11-23 06:38:08,663 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:38:08,664 INFO L444 ceAbstractionStarter]: At program point L209(lines 209 215) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:38:08,664 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:38:08,664 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 06:38:08,664 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2018-11-23 06:38:08,664 INFO L448 ceAbstractionStarter]: For program point L202(lines 201 220) no Hoare annotation was computed. [2018-11-23 06:38:08,664 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2018-11-23 06:38:08,664 INFO L451 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2018-11-23 06:38:08,664 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2018-11-23 06:38:08,664 INFO L451 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-23 06:38:08,665 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-23 06:38:08,665 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2018-11-23 06:38:08,665 INFO L451 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2018-11-23 06:38:08,665 INFO L448 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-11-23 06:38:08,665 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-11-23 06:38:08,665 INFO L451 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2018-11-23 06:38:08,665 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 06:38:08,665 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2018-11-23 06:38:08,665 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2018-11-23 06:38:08,665 INFO L448 ceAbstractionStarter]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2018-11-23 06:38:08,665 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-23 06:38:08,666 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-23 06:38:08,666 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2018-11-23 06:38:08,666 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2018-11-23 06:38:08,666 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:38:08,666 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 06:38:08,666 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:38:08,666 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:38:08,666 INFO L448 ceAbstractionStarter]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2018-11-23 06:38:08,666 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2018-11-23 06:38:08,666 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,666 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 06:38:08,667 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 06:38:08,667 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 06:38:08,667 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 06:38:08,667 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:38:08,667 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2018-11-23 06:38:08,667 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2018-11-23 06:38:08,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:38:08 BoogieIcfgContainer [2018-11-23 06:38:08,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:38:08,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:38:08,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:38:08,680 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:38:08,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:38:06" (3/4) ... [2018-11-23 06:38:08,683 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:38:08,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 06:38:08,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 06:38:08,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 06:38:08,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 06:38:08,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 06:38:08,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 06:38:08,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 06:38:08,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 06:38:08,695 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-23 06:38:08,695 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 06:38:08,695 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:38:08,695 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:38:08,696 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:38:08,696 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:38:08,696 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:38:08,717 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 06:38:08,717 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 06:38:08,745 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b5c0e6e-551d-4a34-b89e-28422c8ee56d/bin-2019/uautomizer/witness.graphml [2018-11-23 06:38:08,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:38:08,746 INFO L168 Benchmark]: Toolchain (without parser) took 2847.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.1 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -236.7 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:38:08,747 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:38:08,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -200.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:38:08,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:38:08,748 INFO L168 Benchmark]: Boogie Preprocessor took 23.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:38:08,748 INFO L168 Benchmark]: RCFGBuilder took 440.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:38:08,748 INFO L168 Benchmark]: TraceAbstraction took 1933.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.0 MB). Peak memory consumption was 289.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:38:08,749 INFO L168 Benchmark]: Witness Printer took 65.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:38:08,750 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -200.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 440.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1933.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.0 MB). Peak memory consumption was 289.0 MB. Max. memory is 11.5 GB. * Witness Printer took 65.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 94 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 495 SDtfs, 259 SDslu, 938 SDs, 0 SdLazy, 315 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 183 NumberOfFragments, 387 HoareAnnotationTreeSize, 165 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 39145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...