./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product38_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_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/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 764a558f84753bff2f3381f04a56ebf221297041 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-09 10:59:13,624 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:59:13,625 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:59:13,631 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:59:13,632 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:59:13,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:59:13,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:59:13,634 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:59:13,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:59:13,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:59:13,635 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:59:13,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:59:13,636 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:59:13,637 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:59:13,637 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:59:13,638 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:59:13,638 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:59:13,639 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:59:13,640 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:59:13,641 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:59:13,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:59:13,642 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:59:13,643 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:59:13,643 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:59:13,643 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:59:13,644 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:59:13,644 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:59:13,645 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:59:13,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:59:13,646 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:59:13,646 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:59:13,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:59:13,646 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:59:13,647 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:59:13,647 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:59:13,647 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:59:13,648 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 10:59:13,655 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:59:13,655 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:59:13,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:59:13,655 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:59:13,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:59:13,656 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:59:13,656 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:59:13,656 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:59:13,656 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:59:13,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:59:13,656 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:59:13,656 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:59:13,657 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:59:13,657 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:59:13,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:59:13,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:59:13,658 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:59:13,658 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:59:13,658 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:59:13,658 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:59:13,658 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:59:13,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:59:13,658 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_54472d43-c6be-494e-8395-abfb79ac52d6/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 -> 764a558f84753bff2f3381f04a56ebf221297041 [2018-12-09 10:59:13,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:59:13,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:59:13,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:59:13,690 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:59:13,690 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:59:13,691 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-12-09 10:59:13,728 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/data/6c127ccca/c7594310f90c459c882127af97d3826f/FLAGf18c86732 [2018-12-09 10:59:14,089 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:59:14,089 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/sv-benchmarks/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-12-09 10:59:14,095 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/data/6c127ccca/c7594310f90c459c882127af97d3826f/FLAGf18c86732 [2018-12-09 10:59:14,104 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/data/6c127ccca/c7594310f90c459c882127af97d3826f [2018-12-09 10:59:14,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:59:14,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:59:14,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:59:14,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:59:14,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:59:14,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cd0825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14, skipping insertion in model container [2018-12-09 10:59:14,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:59:14,138 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:59:14,286 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:59:14,294 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:59:14,388 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:59:14,404 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:59:14,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14 WrapperNode [2018-12-09 10:59:14,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:59:14,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:59:14,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:59:14,405 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:59:14,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:59:14,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:59:14,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:59:14,424 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:59:14,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... [2018-12-09 10:59:14,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:59:14,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:59:14,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:59:14,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:59:14,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/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 [2018-12-09 10:59:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:59:14,475 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:59:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 10:59:14,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 10:59:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:59:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:59:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:59:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:59:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:59:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:59:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:59:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 10:59:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 10:59:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 10:59:14,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 10:59:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:59:14,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:59:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 10:59:14,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 10:59:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 10:59:14,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 10:59:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 10:59:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 10:59:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:59:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:59:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:59:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:59:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:59:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:59:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:59:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:59:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:59:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:59:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 10:59:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 10:59:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:59:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:59:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:59:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:59:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:59:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:59:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:59:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:59:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:59:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:59:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 10:59:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 10:59:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 10:59:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 10:59:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:59:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:59:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:59:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:59:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:59:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:59:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:59:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:59:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:59:14,762 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:59:14,762 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:59:14,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:59:14 BoogieIcfgContainer [2018-12-09 10:59:14,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:59:14,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:59:14,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:59:14,765 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:59:14,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:59:14" (1/3) ... [2018-12-09 10:59:14,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3100a218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:59:14, skipping insertion in model container [2018-12-09 10:59:14,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:14" (2/3) ... [2018-12-09 10:59:14,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3100a218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:59:14, skipping insertion in model container [2018-12-09 10:59:14,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:59:14" (3/3) ... [2018-12-09 10:59:14,767 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-12-09 10:59:14,773 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:59:14,777 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:59:14,786 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:59:14,804 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:59:14,804 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:59:14,804 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:59:14,804 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:59:14,804 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:59:14,804 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:59:14,804 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:59:14,805 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:59:14,805 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:59:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-12-09 10:59:14,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:59:14,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:14,822 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:59:14,824 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:14,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:14,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1964690119, now seen corresponding path program 1 times [2018-12-09 10:59:14,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:14,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:14,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:14,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:14,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:59:14,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:59:14,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:59:14,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:59:14,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:59:14,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:59:14,980 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-12-09 10:59:15,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:15,002 INFO L93 Difference]: Finished difference Result 260 states and 319 transitions. [2018-12-09 10:59:15,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:59:15,003 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 10:59:15,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:15,010 INFO L225 Difference]: With dead ends: 260 [2018-12-09 10:59:15,010 INFO L226 Difference]: Without dead ends: 130 [2018-12-09 10:59:15,012 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 [2018-12-09 10:59:15,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-09 10:59:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 10:59:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 10:59:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-12-09 10:59:15,041 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 46 [2018-12-09 10:59:15,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:15,042 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-12-09 10:59:15,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:59:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-12-09 10:59:15,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 10:59:15,044 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:15,044 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:59:15,044 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:15,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:15,044 INFO L82 PathProgramCache]: Analyzing trace with hash -213748810, now seen corresponding path program 1 times [2018-12-09 10:59:15,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:15,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:15,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:15,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:15,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:59:15,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:59:15,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:59:15,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:59:15,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:59:15,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:59:15,103 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2018-12-09 10:59:15,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:15,115 INFO L93 Difference]: Finished difference Result 205 states and 237 transitions. [2018-12-09 10:59:15,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:59:15,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 10:59:15,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:15,116 INFO L225 Difference]: With dead ends: 205 [2018-12-09 10:59:15,116 INFO L226 Difference]: Without dead ends: 121 [2018-12-09 10:59:15,117 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 [2018-12-09 10:59:15,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-09 10:59:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-09 10:59:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-09 10:59:15,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2018-12-09 10:59:15,124 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47 [2018-12-09 10:59:15,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:15,125 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2018-12-09 10:59:15,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:59:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2018-12-09 10:59:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:59:15,125 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:15,126 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] [2018-12-09 10:59:15,126 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:15,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:15,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1180609704, now seen corresponding path program 1 times [2018-12-09 10:59:15,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:15,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:15,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:15,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:15,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:59:15,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:59:15,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:59:15,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:59:15,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:59:15,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:59:15,188 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2018-12-09 10:59:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:15,369 INFO L93 Difference]: Finished difference Result 218 states and 255 transitions. [2018-12-09 10:59:15,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:59:15,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 10:59:15,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:15,371 INFO L225 Difference]: With dead ends: 218 [2018-12-09 10:59:15,371 INFO L226 Difference]: Without dead ends: 121 [2018-12-09 10:59:15,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:59:15,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-09 10:59:15,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-09 10:59:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-09 10:59:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-12-09 10:59:15,380 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52 [2018-12-09 10:59:15,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:15,380 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-12-09 10:59:15,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:59:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-12-09 10:59:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 10:59:15,381 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:15,382 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] [2018-12-09 10:59:15,382 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:15,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:15,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1317129100, now seen corresponding path program 1 times [2018-12-09 10:59:15,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:15,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:15,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:15,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:15,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:59:15,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:59:15,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:59:15,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:59:15,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:59:15,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:59:15,459 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 5 states. [2018-12-09 10:59:15,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:15,709 INFO L93 Difference]: Finished difference Result 317 states and 379 transitions. [2018-12-09 10:59:15,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:59:15,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-09 10:59:15,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:15,711 INFO L225 Difference]: With dead ends: 317 [2018-12-09 10:59:15,711 INFO L226 Difference]: Without dead ends: 220 [2018-12-09 10:59:15,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:59:15,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-09 10:59:15,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2018-12-09 10:59:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-12-09 10:59:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 227 transitions. [2018-12-09 10:59:15,727 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 227 transitions. Word has length 65 [2018-12-09 10:59:15,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:15,727 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 227 transitions. [2018-12-09 10:59:15,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:59:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 227 transitions. [2018-12-09 10:59:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 10:59:15,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:15,728 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] [2018-12-09 10:59:15,728 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:15,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:15,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1370842121, now seen corresponding path program 1 times [2018-12-09 10:59:15,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:15,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:15,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:15,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:15,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:59:15,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:59:15,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 10:59:15,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:59:15,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:59:15,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:59:15,798 INFO L87 Difference]: Start difference. First operand 201 states and 227 transitions. Second operand 10 states. [2018-12-09 10:59:16,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:16,132 INFO L93 Difference]: Finished difference Result 644 states and 795 transitions. [2018-12-09 10:59:16,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 10:59:16,133 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-12-09 10:59:16,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:16,136 INFO L225 Difference]: With dead ends: 644 [2018-12-09 10:59:16,136 INFO L226 Difference]: Without dead ends: 467 [2018-12-09 10:59:16,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 10:59:16,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-12-09 10:59:16,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 457. [2018-12-09 10:59:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-12-09 10:59:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 535 transitions. [2018-12-09 10:59:16,171 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 535 transitions. Word has length 79 [2018-12-09 10:59:16,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:16,171 INFO L480 AbstractCegarLoop]: Abstraction has 457 states and 535 transitions. [2018-12-09 10:59:16,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:59:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 535 transitions. [2018-12-09 10:59:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 10:59:16,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:16,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:59:16,173 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:16,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:16,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1618474708, now seen corresponding path program 1 times [2018-12-09 10:59:16,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:16,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:16,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:16,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:16,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 10:59:16,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:59:16,233 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:59:16,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:16,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:59:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:59:16,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:59:16,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-09 10:59:16,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:59:16,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:59:16,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:59:16,373 INFO L87 Difference]: Start difference. First operand 457 states and 535 transitions. Second operand 6 states. [2018-12-09 10:59:16,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:16,399 INFO L93 Difference]: Finished difference Result 905 states and 1081 transitions. [2018-12-09 10:59:16,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:59:16,399 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-12-09 10:59:16,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:16,402 INFO L225 Difference]: With dead ends: 905 [2018-12-09 10:59:16,402 INFO L226 Difference]: Without dead ends: 472 [2018-12-09 10:59:16,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:59:16,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-12-09 10:59:16,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2018-12-09 10:59:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2018-12-09 10:59:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 551 transitions. [2018-12-09 10:59:16,429 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 551 transitions. Word has length 128 [2018-12-09 10:59:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:16,429 INFO L480 AbstractCegarLoop]: Abstraction has 472 states and 551 transitions. [2018-12-09 10:59:16,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:59:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 551 transitions. [2018-12-09 10:59:16,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 10:59:16,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:16,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:59:16,433 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:16,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:16,433 INFO L82 PathProgramCache]: Analyzing trace with hash -635217052, now seen corresponding path program 1 times [2018-12-09 10:59:16,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:16,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:16,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:16,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:16,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 10:59:16,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:59:16,524 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:59:16,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:16,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:59:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:59:16,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:59:16,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-09 10:59:16,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 10:59:16,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 10:59:16,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:59:16,681 INFO L87 Difference]: Start difference. First operand 472 states and 551 transitions. Second operand 11 states. [2018-12-09 10:59:16,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:16,710 INFO L93 Difference]: Finished difference Result 848 states and 1015 transitions. [2018-12-09 10:59:16,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:59:16,711 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2018-12-09 10:59:16,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:16,712 INFO L225 Difference]: With dead ends: 848 [2018-12-09 10:59:16,712 INFO L226 Difference]: Without dead ends: 400 [2018-12-09 10:59:16,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:59:16,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-12-09 10:59:16,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2018-12-09 10:59:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-12-09 10:59:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 460 transitions. [2018-12-09 10:59:16,726 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 460 transitions. Word has length 132 [2018-12-09 10:59:16,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:16,726 INFO L480 AbstractCegarLoop]: Abstraction has 400 states and 460 transitions. [2018-12-09 10:59:16,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 10:59:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 460 transitions. [2018-12-09 10:59:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 10:59:16,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:16,728 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:59:16,728 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:16,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:16,728 INFO L82 PathProgramCache]: Analyzing trace with hash 882637187, now seen corresponding path program 1 times [2018-12-09 10:59:16,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:16,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:16,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:16,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:16,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 10:59:16,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:59:16,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 10:59:16,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:59:16,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:59:16,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:59:16,805 INFO L87 Difference]: Start difference. First operand 400 states and 460 transitions. Second operand 9 states. [2018-12-09 10:59:17,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:17,179 INFO L93 Difference]: Finished difference Result 1080 states and 1273 transitions. [2018-12-09 10:59:17,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 10:59:17,180 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 132 [2018-12-09 10:59:17,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:17,183 INFO L225 Difference]: With dead ends: 1080 [2018-12-09 10:59:17,183 INFO L226 Difference]: Without dead ends: 704 [2018-12-09 10:59:17,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-09 10:59:17,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2018-12-09 10:59:17,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 701. [2018-12-09 10:59:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2018-12-09 10:59:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 801 transitions. [2018-12-09 10:59:17,212 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 801 transitions. Word has length 132 [2018-12-09 10:59:17,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:17,213 INFO L480 AbstractCegarLoop]: Abstraction has 701 states and 801 transitions. [2018-12-09 10:59:17,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:59:17,213 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 801 transitions. [2018-12-09 10:59:17,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 10:59:17,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:17,216 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, 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] [2018-12-09 10:59:17,216 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:17,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:17,217 INFO L82 PathProgramCache]: Analyzing trace with hash 399176334, now seen corresponding path program 1 times [2018-12-09 10:59:17,217 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:17,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:17,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:17,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:17,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 10:59:17,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:59:17,281 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:59:17,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:17,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:59:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:59:17,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:59:17,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-09 10:59:17,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:59:17,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:59:17,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:59:17,410 INFO L87 Difference]: Start difference. First operand 701 states and 801 transitions. Second operand 6 states. [2018-12-09 10:59:17,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:17,800 INFO L93 Difference]: Finished difference Result 1466 states and 1748 transitions. [2018-12-09 10:59:17,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:59:17,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-12-09 10:59:17,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:17,804 INFO L225 Difference]: With dead ends: 1466 [2018-12-09 10:59:17,805 INFO L226 Difference]: Without dead ends: 911 [2018-12-09 10:59:17,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:59:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2018-12-09 10:59:17,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 828. [2018-12-09 10:59:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-09 10:59:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 954 transitions. [2018-12-09 10:59:17,842 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 954 transitions. Word has length 143 [2018-12-09 10:59:17,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:17,843 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 954 transitions. [2018-12-09 10:59:17,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:59:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 954 transitions. [2018-12-09 10:59:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 10:59:17,844 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:17,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:59:17,845 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:17,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:17,845 INFO L82 PathProgramCache]: Analyzing trace with hash -585500385, now seen corresponding path program 1 times [2018-12-09 10:59:17,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:17,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:17,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:17,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:17,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 10:59:17,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:59:17,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:59:17,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:59:17,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:59:17,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:59:17,899 INFO L87 Difference]: Start difference. First operand 828 states and 954 transitions. Second operand 6 states. [2018-12-09 10:59:17,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:17,994 INFO L93 Difference]: Finished difference Result 841 states and 967 transitions. [2018-12-09 10:59:17,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:59:17,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-12-09 10:59:17,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:17,996 INFO L225 Difference]: With dead ends: 841 [2018-12-09 10:59:17,996 INFO L226 Difference]: Without dead ends: 838 [2018-12-09 10:59:17,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:59:17,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-12-09 10:59:18,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 828. [2018-12-09 10:59:18,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-09 10:59:18,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 951 transitions. [2018-12-09 10:59:18,021 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 951 transitions. Word has length 136 [2018-12-09 10:59:18,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:18,021 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 951 transitions. [2018-12-09 10:59:18,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:59:18,021 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 951 transitions. [2018-12-09 10:59:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 10:59:18,023 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:18,023 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:59:18,023 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:18,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:18,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1430767807, now seen corresponding path program 1 times [2018-12-09 10:59:18,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:18,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:18,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:18,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:18,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 10:59:18,105 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:59:18,105 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:59:18,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:18,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:59:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:59:18,281 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:59:18,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-09 10:59:18,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 10:59:18,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 10:59:18,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-09 10:59:18,282 INFO L87 Difference]: Start difference. First operand 828 states and 951 transitions. Second operand 15 states. [2018-12-09 10:59:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:59:19,018 INFO L93 Difference]: Finished difference Result 1947 states and 2486 transitions. [2018-12-09 10:59:19,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 10:59:19,018 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2018-12-09 10:59:19,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:59:19,022 INFO L225 Difference]: With dead ends: 1947 [2018-12-09 10:59:19,022 INFO L226 Difference]: Without dead ends: 1269 [2018-12-09 10:59:19,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-12-09 10:59:19,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2018-12-09 10:59:19,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 946. [2018-12-09 10:59:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2018-12-09 10:59:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1089 transitions. [2018-12-09 10:59:19,060 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1089 transitions. Word has length 136 [2018-12-09 10:59:19,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:59:19,060 INFO L480 AbstractCegarLoop]: Abstraction has 946 states and 1089 transitions. [2018-12-09 10:59:19,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 10:59:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1089 transitions. [2018-12-09 10:59:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 10:59:19,062 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:59:19,062 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-12-09 10:59:19,062 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:59:19,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:19,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1586802669, now seen corresponding path program 2 times [2018-12-09 10:59:19,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:19,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:19,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:19,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:19,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:59:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:59:19,186 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 10:59:19,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:59:19 BoogieIcfgContainer [2018-12-09 10:59:19,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:59:19,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:59:19,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:59:19,320 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:59:19,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:59:14" (3/4) ... [2018-12-09 10:59:19,322 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 10:59:19,438 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54472d43-c6be-494e-8395-abfb79ac52d6/bin-2019/uautomizer/witness.graphml [2018-12-09 10:59:19,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:59:19,438 INFO L168 Benchmark]: Toolchain (without parser) took 5331.88 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.0 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -59.6 MB). Peak memory consumption was 275.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:19,439 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:59:19,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:19,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:59:19,440 INFO L168 Benchmark]: Boogie Preprocessor took 20.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:59:19,440 INFO L168 Benchmark]: RCFGBuilder took 317.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:19,440 INFO L168 Benchmark]: TraceAbstraction took 4557.42 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 187.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:19,440 INFO L168 Benchmark]: Witness Printer took 117.63 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:19,441 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 317.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4557.42 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 187.1 MB. Max. memory is 11.5 GB. * Witness Printer took 117.63 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 247]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L349] int pumpRunning = 0; [L350] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L281] int splverifierCounter ; [L282] int tmp ; [L283] int tmp___0 ; [L284] int tmp___1 ; [L285] int tmp___2 ; [L288] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L298] tmp = __VERIFIER_nondet_int() [L300] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L302] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] COND TRUE waterLevel < 2 [L168] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L414] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L429] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L388] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L390] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] int retValue_acc ; [L509] int tmp ; [L510] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L514] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L229] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(waterLevel < 2) [L236] retValue_acc = 0 [L237] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L514] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L514] tmp = isHighWaterSensorDry() [L516] COND FALSE !(\read(tmp)) [L519] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L521] retValue_acc = tmp___0 [L522] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L390] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L390] tmp = isHighWaterLevel() [L392] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L394] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L394] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L429] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L371] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L335] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L356] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L358] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L358] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L414] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L416] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L456] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L456] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L416] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L424] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L388] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L403] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L424] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L371] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L335] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L356] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L358] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L358] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L414] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L416] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L456] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L456] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L416] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L424] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L388] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L403] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L424] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] tmp = getWaterLevel() [L261] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L263] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L463] int retValue_acc ; [L466] retValue_acc = pumpRunning [L467] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L263] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L263] tmp___0 = isPumpRunning() [L265] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L267] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L247] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 143 locations, 1 error locations. UNSAFE Result, 4.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1808 SDtfs, 1786 SDslu, 4890 SDs, 0 SdLazy, 2958 SolverSat, 838 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 684 GetRequests, 576 SyntacticMatches, 4 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=11, 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 448 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1823 NumberOfCodeBlocks, 1823 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1620 ConstructedInterpolants, 0 QuantifiedInterpolants, 288960 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3321 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 270/304 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...