./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/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 f18aab99c70cc7d44332259818cc5069ce850e66 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:17:57,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:17:57,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:17:57,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:17:57,383 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:17:57,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:17:57,384 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:17:57,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:17:57,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:17:57,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:17:57,388 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:17:57,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:17:57,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:17:57,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:17:57,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:17:57,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:17:57,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:17:57,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:17:57,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:17:57,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:17:57,396 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:17:57,397 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:17:57,399 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:17:57,399 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:17:57,399 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:17:57,400 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:17:57,400 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:17:57,401 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:17:57,401 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:17:57,402 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:17:57,402 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:17:57,403 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:17:57,403 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:17:57,403 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:17:57,404 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:17:57,404 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:17:57,404 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 12:17:57,412 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:17:57,412 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:17:57,413 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:17:57,413 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 12:17:57,414 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:17:57,414 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:17:57,414 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 12:17:57,414 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:17:57,414 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:17:57,414 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:17:57,414 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:17:57,415 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:17:57,415 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:17:57,415 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:17:57,415 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:17:57,415 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:17:57,415 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:17:57,415 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:17:57,416 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:17:57,416 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:17:57,416 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 12:17:57,416 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:17:57,416 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 12:17:57,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 12:17:57,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:17:57,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:17:57,417 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:17:57,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 12:17:57,417 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:17:57,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:17:57,417 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_14b3b534-0da5-4393-93e6-1ccf36117816/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 -> f18aab99c70cc7d44332259818cc5069ce850e66 [2018-12-02 12:17:57,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:17:57,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:17:57,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:17:57,455 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:17:57,455 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:17:57,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c [2018-12-02 12:17:57,494 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/data/3f3534e2b/2fc2dc0eac5b4b83ad8fb31582c9daee/FLAGa20bcfb49 [2018-12-02 12:17:57,894 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:17:57,895 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c [2018-12-02 12:17:57,901 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/data/3f3534e2b/2fc2dc0eac5b4b83ad8fb31582c9daee/FLAGa20bcfb49 [2018-12-02 12:17:57,908 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/data/3f3534e2b/2fc2dc0eac5b4b83ad8fb31582c9daee [2018-12-02 12:17:57,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:17:57,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:17:57,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:17:57,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:17:57,913 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:17:57,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:17:57" (1/1) ... [2018-12-02 12:17:57,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527f3531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:57, skipping insertion in model container [2018-12-02 12:17:57,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:17:57" (1/1) ... [2018-12-02 12:17:57,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:17:57,945 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:17:58,102 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:17:58,148 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:17:58,195 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:17:58,209 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:17:58,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58 WrapperNode [2018-12-02 12:17:58,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:17:58,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:17:58,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:17:58,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:17:58,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:17:58,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:17:58,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:17:58,230 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:17:58,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... [2018-12-02 12:17:58,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:17:58,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:17:58,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:17:58,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:17:58,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 12:17:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 12:17:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 12:17:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 12:17:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 12:17:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 12:17:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 12:17:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 12:17:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 12:17:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 12:17:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 12:17:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 12:17:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 12:17:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 12:17:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 12:17:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 12:17:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 12:17:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 12:17:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 12:17:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 12:17:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 12:17:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 12:17:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 12:17:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 12:17:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 12:17:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 12:17:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 12:17:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 12:17:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 12:17:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 12:17:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 12:17:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 12:17:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 12:17:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 12:17:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 12:17:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 12:17:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 12:17:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 12:17:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 12:17:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 12:17:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 12:17:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 12:17:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 12:17:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 12:17:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 12:17:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 12:17:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 12:17:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 12:17:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 12:17:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 12:17:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 12:17:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:17:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:17:58,563 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:17:58,564 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 12:17:58,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:17:58 BoogieIcfgContainer [2018-12-02 12:17:58,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:17:58,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 12:17:58,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 12:17:58,567 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 12:17:58,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:17:57" (1/3) ... [2018-12-02 12:17:58,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc121d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:17:58, skipping insertion in model container [2018-12-02 12:17:58,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:58" (2/3) ... [2018-12-02 12:17:58,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc121d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:17:58, skipping insertion in model container [2018-12-02 12:17:58,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:17:58" (3/3) ... [2018-12-02 12:17:58,569 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34_false-unreach-call_false-termination.cil.c [2018-12-02 12:17:58,575 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 12:17:58,580 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 12:17:58,589 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 12:17:58,607 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 12:17:58,607 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 12:17:58,607 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 12:17:58,607 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 12:17:58,608 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 12:17:58,608 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 12:17:58,608 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 12:17:58,608 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 12:17:58,608 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 12:17:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-12-02 12:17:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 12:17:58,624 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:17:58,625 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:58,626 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:17:58,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:58,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1850167158, now seen corresponding path program 1 times [2018-12-02 12:17:58,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:58,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:58,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:58,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:58,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:58,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:17:58,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 12:17:58,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 12:17:58,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 12:17:58,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 12:17:58,787 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-12-02 12:17:58,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:17:58,808 INFO L93 Difference]: Finished difference Result 224 states and 279 transitions. [2018-12-02 12:17:58,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 12:17:58,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 12:17:58,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:17:58,816 INFO L225 Difference]: With dead ends: 224 [2018-12-02 12:17:58,816 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 12:17:58,818 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 12:17:58,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 12:17:58,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-02 12:17:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-02 12:17:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-12-02 12:17:58,848 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 51 [2018-12-02 12:17:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:17:58,848 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-12-02 12:17:58,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 12:17:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-12-02 12:17:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 12:17:58,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:17:58,850 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:58,850 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:17:58,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:58,851 INFO L82 PathProgramCache]: Analyzing trace with hash -2014750962, now seen corresponding path program 1 times [2018-12-02 12:17:58,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:58,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:58,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:58,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:58,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:58,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:17:58,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:17:58,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 12:17:58,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:17:58,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:17:58,912 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-12-02 12:17:58,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:17:58,923 INFO L93 Difference]: Finished difference Result 169 states and 197 transitions. [2018-12-02 12:17:58,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:17:58,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 12:17:58,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:17:58,924 INFO L225 Difference]: With dead ends: 169 [2018-12-02 12:17:58,924 INFO L226 Difference]: Without dead ends: 105 [2018-12-02 12:17:58,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:17:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-02 12:17:58,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-02 12:17:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-02 12:17:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-12-02 12:17:58,931 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 52 [2018-12-02 12:17:58,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:17:58,932 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-12-02 12:17:58,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 12:17:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-12-02 12:17:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 12:17:58,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:17:58,933 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:58,933 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:17:58,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:58,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1574971087, now seen corresponding path program 1 times [2018-12-02 12:17:58,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:58,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:58,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:58,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:58,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:58,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:17:58,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:17:58,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 12:17:58,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:17:58,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:17:58,993 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 3 states. [2018-12-02 12:17:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:17:59,004 INFO L93 Difference]: Finished difference Result 182 states and 215 transitions. [2018-12-02 12:17:59,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:17:59,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-02 12:17:59,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:17:59,006 INFO L225 Difference]: With dead ends: 182 [2018-12-02 12:17:59,006 INFO L226 Difference]: Without dead ends: 105 [2018-12-02 12:17:59,006 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 [2018-12-02 12:17:59,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-02 12:17:59,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-02 12:17:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-02 12:17:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2018-12-02 12:17:59,013 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 57 [2018-12-02 12:17:59,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:17:59,013 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2018-12-02 12:17:59,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 12:17:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2018-12-02 12:17:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 12:17:59,014 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:17:59,014 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:59,015 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:17:59,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:59,015 INFO L82 PathProgramCache]: Analyzing trace with hash -125035842, now seen corresponding path program 1 times [2018-12-02 12:17:59,015 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:59,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:59,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:59,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:59,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:59,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:17:59,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 12:17:59,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 12:17:59,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 12:17:59,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 12:17:59,078 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 5 states. [2018-12-02 12:17:59,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:17:59,369 INFO L93 Difference]: Finished difference Result 272 states and 329 transitions. [2018-12-02 12:17:59,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 12:17:59,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-02 12:17:59,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:17:59,371 INFO L225 Difference]: With dead ends: 272 [2018-12-02 12:17:59,371 INFO L226 Difference]: Without dead ends: 195 [2018-12-02 12:17:59,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 12:17:59,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-12-02 12:17:59,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 176. [2018-12-02 12:17:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-12-02 12:17:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 203 transitions. [2018-12-02 12:17:59,393 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 203 transitions. Word has length 65 [2018-12-02 12:17:59,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:17:59,393 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 203 transitions. [2018-12-02 12:17:59,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 12:17:59,393 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 203 transitions. [2018-12-02 12:17:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 12:17:59,395 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:17:59,395 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:59,395 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:17:59,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:59,396 INFO L82 PathProgramCache]: Analyzing trace with hash 274493834, now seen corresponding path program 1 times [2018-12-02 12:17:59,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:59,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:59,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:59,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:59,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:59,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:17:59,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 12:17:59,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:17:59,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:17:59,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:17:59,467 INFO L87 Difference]: Start difference. First operand 176 states and 203 transitions. Second operand 6 states. [2018-12-02 12:17:59,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:17:59,595 INFO L93 Difference]: Finished difference Result 454 states and 542 transitions. [2018-12-02 12:17:59,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 12:17:59,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-02 12:17:59,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:17:59,598 INFO L225 Difference]: With dead ends: 454 [2018-12-02 12:17:59,599 INFO L226 Difference]: Without dead ends: 306 [2018-12-02 12:17:59,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 12:17:59,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-12-02 12:17:59,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 300. [2018-12-02 12:17:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-12-02 12:17:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 346 transitions. [2018-12-02 12:17:59,625 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 346 transitions. Word has length 79 [2018-12-02 12:17:59,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:17:59,625 INFO L480 AbstractCegarLoop]: Abstraction has 300 states and 346 transitions. [2018-12-02 12:17:59,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:17:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 346 transitions. [2018-12-02 12:17:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 12:17:59,627 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:17:59,627 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:59,627 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:17:59,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:59,628 INFO L82 PathProgramCache]: Analyzing trace with hash 265058574, now seen corresponding path program 1 times [2018-12-02 12:17:59,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:59,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:59,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:59,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:59,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:59,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:17:59,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 12:17:59,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 12:17:59,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 12:17:59,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 12:17:59,701 INFO L87 Difference]: Start difference. First operand 300 states and 346 transitions. Second operand 7 states. [2018-12-02 12:18:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:18:00,035 INFO L93 Difference]: Finished difference Result 603 states and 717 transitions. [2018-12-02 12:18:00,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 12:18:00,035 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-12-02 12:18:00,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:18:00,037 INFO L225 Difference]: With dead ends: 603 [2018-12-02 12:18:00,037 INFO L226 Difference]: Without dead ends: 331 [2018-12-02 12:18:00,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 12:18:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-12-02 12:18:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 299. [2018-12-02 12:18:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-12-02 12:18:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 343 transitions. [2018-12-02 12:18:00,055 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 343 transitions. Word has length 83 [2018-12-02 12:18:00,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:18:00,055 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 343 transitions. [2018-12-02 12:18:00,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 12:18:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 343 transitions. [2018-12-02 12:18:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 12:18:00,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:18:00,057 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:18:00,057 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:18:00,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:18:00,057 INFO L82 PathProgramCache]: Analyzing trace with hash -456434621, now seen corresponding path program 1 times [2018-12-02 12:18:00,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:18:00,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:18:00,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:18:00,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:18:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:18:00,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:18:00,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 12:18:00,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:18:00,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:18:00,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:18:00,120 INFO L87 Difference]: Start difference. First operand 299 states and 343 transitions. Second operand 6 states. [2018-12-02 12:18:00,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:18:00,150 INFO L93 Difference]: Finished difference Result 580 states and 676 transitions. [2018-12-02 12:18:00,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 12:18:00,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 12:18:00,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:18:00,152 INFO L225 Difference]: With dead ends: 580 [2018-12-02 12:18:00,152 INFO L226 Difference]: Without dead ends: 309 [2018-12-02 12:18:00,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 12:18:00,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-12-02 12:18:00,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2018-12-02 12:18:00,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-12-02 12:18:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 353 transitions. [2018-12-02 12:18:00,165 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 353 transitions. Word has length 84 [2018-12-02 12:18:00,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:18:00,165 INFO L480 AbstractCegarLoop]: Abstraction has 309 states and 353 transitions. [2018-12-02 12:18:00,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:18:00,165 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 353 transitions. [2018-12-02 12:18:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 12:18:00,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:18:00,166 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:18:00,166 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:18:00,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:18:00,167 INFO L82 PathProgramCache]: Analyzing trace with hash 929768773, now seen corresponding path program 1 times [2018-12-02 12:18:00,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:18:00,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:18:00,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:18:00,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:18:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:18:00,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:18:00,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 12:18:00,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 12:18:00,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 12:18:00,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 12:18:00,227 INFO L87 Difference]: Start difference. First operand 309 states and 353 transitions. Second operand 8 states. [2018-12-02 12:18:00,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:18:00,250 INFO L93 Difference]: Finished difference Result 604 states and 708 transitions. [2018-12-02 12:18:00,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 12:18:00,250 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-02 12:18:00,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:18:00,252 INFO L225 Difference]: With dead ends: 604 [2018-12-02 12:18:00,252 INFO L226 Difference]: Without dead ends: 323 [2018-12-02 12:18:00,253 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 12:18:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-12-02 12:18:00,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 317. [2018-12-02 12:18:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-02 12:18:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 361 transitions. [2018-12-02 12:18:00,269 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 361 transitions. Word has length 84 [2018-12-02 12:18:00,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:18:00,269 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 361 transitions. [2018-12-02 12:18:00,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 12:18:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 361 transitions. [2018-12-02 12:18:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 12:18:00,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:18:00,271 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:18:00,271 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:18:00,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:18:00,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1253908154, now seen corresponding path program 1 times [2018-12-02 12:18:00,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:18:00,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:18:00,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:18:00,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:18:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:18:00,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:18:00,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 12:18:00,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 12:18:00,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 12:18:00,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 12:18:00,307 INFO L87 Difference]: Start difference. First operand 317 states and 361 transitions. Second operand 4 states. [2018-12-02 12:18:00,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:18:00,431 INFO L93 Difference]: Finished difference Result 952 states and 1142 transitions. [2018-12-02 12:18:00,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 12:18:00,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-12-02 12:18:00,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:18:00,434 INFO L225 Difference]: With dead ends: 952 [2018-12-02 12:18:00,434 INFO L226 Difference]: Without dead ends: 663 [2018-12-02 12:18:00,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 12:18:00,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2018-12-02 12:18:00,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 439. [2018-12-02 12:18:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-12-02 12:18:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 496 transitions. [2018-12-02 12:18:00,454 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 496 transitions. Word has length 84 [2018-12-02 12:18:00,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:18:00,454 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 496 transitions. [2018-12-02 12:18:00,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 12:18:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 496 transitions. [2018-12-02 12:18:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 12:18:00,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:18:00,456 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:18:00,456 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:18:00,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:18:00,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1667971840, now seen corresponding path program 1 times [2018-12-02 12:18:00,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:18:00,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:18:00,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:18:00,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:18:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:18:00,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:18:00,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:18:00,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 12:18:00,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:18:00,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:18:00,487 INFO L87 Difference]: Start difference. First operand 439 states and 496 transitions. Second operand 3 states. [2018-12-02 12:18:00,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:18:00,514 INFO L93 Difference]: Finished difference Result 654 states and 752 transitions. [2018-12-02 12:18:00,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:18:00,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2018-12-02 12:18:00,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:18:00,515 INFO L225 Difference]: With dead ends: 654 [2018-12-02 12:18:00,516 INFO L226 Difference]: Without dead ends: 651 [2018-12-02 12:18:00,516 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 [2018-12-02 12:18:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-02 12:18:00,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 553. [2018-12-02 12:18:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-12-02 12:18:00,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 635 transitions. [2018-12-02 12:18:00,536 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 635 transitions. Word has length 88 [2018-12-02 12:18:00,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:18:00,537 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 635 transitions. [2018-12-02 12:18:00,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 12:18:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 635 transitions. [2018-12-02 12:18:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 12:18:00,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:18:00,538 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:18:00,538 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:18:00,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:18:00,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1551615146, now seen corresponding path program 1 times [2018-12-02 12:18:00,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:18:00,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:18:00,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:18:00,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:18:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:18:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:18:00,630 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 12:18:00,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:18:00 BoogieIcfgContainer [2018-12-02 12:18:00,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 12:18:00,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:18:00,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:18:00,720 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:18:00,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:17:58" (3/4) ... [2018-12-02 12:18:00,722 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 12:18:00,805 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_14b3b534-0da5-4393-93e6-1ccf36117816/bin-2019/uautomizer/witness.graphml [2018-12-02 12:18:00,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:18:00,806 INFO L168 Benchmark]: Toolchain (without parser) took 2895.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 957.1 MB in the beginning and 832.8 MB in the end (delta: 124.3 MB). Peak memory consumption was 299.9 MB. Max. memory is 11.5 GB. [2018-12-02 12:18:00,807 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-12-02 12:18:00,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -101.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:18:00,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:18:00,807 INFO L168 Benchmark]: Boogie Preprocessor took 21.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:18:00,807 INFO L168 Benchmark]: RCFGBuilder took 312.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:18:00,807 INFO L168 Benchmark]: TraceAbstraction took 2155.51 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 100.1 MB). Free memory was 1.0 GB in the beginning and 876.8 MB in the end (delta: 132.5 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. [2018-12-02 12:18:00,807 INFO L168 Benchmark]: Witness Printer took 85.11 ms. Allocated memory is still 1.2 GB. Free memory was 876.8 MB in the beginning and 832.8 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2018-12-02 12:18:00,808 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 298.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -101.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 312.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2155.51 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 100.1 MB). Free memory was 1.0 GB in the beginning and 876.8 MB in the end (delta: 132.5 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. * Witness Printer took 85.11 ms. Allocated memory is still 1.2 GB. Free memory was 876.8 MB in the beginning and 832.8 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L255] int methAndRunningLastTime ; [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int pumpRunning = 0; [L766] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L320] int retValue_acc ; [L323] retValue_acc = 1 [L324] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L714] tmp = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L718] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L728] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND FALSE !(\read(methaneLevelCritical)) [L184] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L728] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L772] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L898] int retValue_acc ; [L899] int tmp ; [L900] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L231] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(waterLevel < 2) [L238] retValue_acc = 0 [L239] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L904] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] tmp = isHighWaterSensorDry() [L906] COND FALSE !(\read(tmp)) [L909] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L911] retValue_acc = tmp___0 [L912] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L806] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] tmp = isHighWaterLevel() [L808] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L810] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L829] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L810] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L277] COND FALSE !(\read(methAndRunningLastTime)) [L282] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L787] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L772] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L774] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE waterLevel > 0 [L158] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L774] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L804] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L819] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L277] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L279] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L249] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. UNSAFE Result, 2.1s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1315 SDtfs, 745 SDslu, 2243 SDs, 0 SdLazy, 774 SolverSat, 192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=553occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 385 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 858 NumberOfCodeBlocks, 858 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 717 ConstructedInterpolants, 0 QuantifiedInterpolants, 89751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...