./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product36_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_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/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 8094c843e4d897e4501a7b90ca3369f741555e9e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:08:59,814 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:08:59,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:08:59,822 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:08:59,822 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:08:59,822 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:08:59,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:08:59,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:08:59,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:08:59,825 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:08:59,826 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:08:59,826 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:08:59,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:08:59,827 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:08:59,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:08:59,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:08:59,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:08:59,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:08:59,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:08:59,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:08:59,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:08:59,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:08:59,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:08:59,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:08:59,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:08:59,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:08:59,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:08:59,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:08:59,836 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:08:59,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:08:59,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:08:59,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:08:59,837 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:08:59,837 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:08:59,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:08:59,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:08:59,838 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 04:08:59,846 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:08:59,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:08:59,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:08:59,847 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 04:08:59,847 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:08:59,847 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:08:59,847 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 04:08:59,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:08:59,847 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:08:59,848 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:08:59,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:08:59,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:08:59,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 04:08:59,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:08:59,849 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 04:08:59,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 04:08:59,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:08:59,849 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:08:59,849 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:08:59,849 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 04:08:59,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:08:59,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:08:59,850 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_50132b05-9bec-4c76-805a-2e47da4e73b6/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 -> 8094c843e4d897e4501a7b90ca3369f741555e9e [2018-12-09 04:08:59,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:08:59,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:08:59,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:08:59,881 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:08:59,881 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:08:59,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product36_false-unreach-call_false-termination.cil.c [2018-12-09 04:08:59,923 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/data/25582d5a7/aff90ff3ab7a4a24a414cf92cba48a08/FLAG58bec373c [2018-12-09 04:09:00,284 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:09:00,284 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/sv-benchmarks/c/product-lines/minepump_spec4_product36_false-unreach-call_false-termination.cil.c [2018-12-09 04:09:00,291 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/data/25582d5a7/aff90ff3ab7a4a24a414cf92cba48a08/FLAG58bec373c [2018-12-09 04:09:00,299 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/data/25582d5a7/aff90ff3ab7a4a24a414cf92cba48a08 [2018-12-09 04:09:00,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:09:00,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:09:00,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:09:00,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:09:00,304 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:09:00,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00, skipping insertion in model container [2018-12-09 04:09:00,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:09:00,333 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:09:00,497 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:09:00,536 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:09:00,577 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:09:00,595 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:09:00,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00 WrapperNode [2018-12-09 04:09:00,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:09:00,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:09:00,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:09:00,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:09:00,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:09:00,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:09:00,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:09:00,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:09:00,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... [2018-12-09 04:09:00,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:09:00,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:09:00,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:09:00,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:09:00,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/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 04:09:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 04:09:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 04:09:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 04:09:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 04:09:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 04:09:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 04:09:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 04:09:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 04:09:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:09:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 04:09:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 04:09:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 04:09:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 04:09:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 04:09:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 04:09:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 04:09:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 04:09:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 04:09:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 04:09:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 04:09:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 04:09:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 04:09:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 04:09:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 04:09:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 04:09:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 04:09:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 04:09:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 04:09:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 04:09:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 04:09:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 04:09:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 04:09:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 04:09:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 04:09:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 04:09:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 04:09:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 04:09:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 04:09:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 04:09:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 04:09:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 04:09:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 04:09:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 04:09:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 04:09:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 04:09:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 04:09:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 04:09:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 04:09:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 04:09:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 04:09:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 04:09:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 04:09:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:09:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:09:00,950 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:09:00,950 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 04:09:00,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:09:00 BoogieIcfgContainer [2018-12-09 04:09:00,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:09:00,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 04:09:00,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 04:09:00,953 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 04:09:00,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:09:00" (1/3) ... [2018-12-09 04:09:00,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2923fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:09:00, skipping insertion in model container [2018-12-09 04:09:00,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:09:00" (2/3) ... [2018-12-09 04:09:00,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2923fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:09:00, skipping insertion in model container [2018-12-09 04:09:00,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:09:00" (3/3) ... [2018-12-09 04:09:00,956 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product36_false-unreach-call_false-termination.cil.c [2018-12-09 04:09:00,962 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 04:09:00,966 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 04:09:00,976 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 04:09:00,993 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 04:09:00,994 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 04:09:00,994 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 04:09:00,994 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 04:09:00,994 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 04:09:00,994 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 04:09:00,994 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 04:09:00,994 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 04:09:00,995 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 04:09:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-12-09 04:09:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 04:09:01,011 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:01,012 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:09:01,013 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:01,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:01,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1140130264, now seen corresponding path program 1 times [2018-12-09 04:09:01,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:01,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:01,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:01,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:01,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:01,155 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 04:09:01,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:09:01,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 04:09:01,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 04:09:01,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 04:09:01,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 04:09:01,168 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-12-09 04:09:01,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:01,189 INFO L93 Difference]: Finished difference Result 236 states and 291 transitions. [2018-12-09 04:09:01,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 04:09:01,190 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 04:09:01,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:01,197 INFO L225 Difference]: With dead ends: 236 [2018-12-09 04:09:01,197 INFO L226 Difference]: Without dead ends: 118 [2018-12-09 04:09:01,199 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 04:09:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-09 04:09:01,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-09 04:09:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-09 04:09:01,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2018-12-09 04:09:01,228 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 46 [2018-12-09 04:09:01,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:01,229 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2018-12-09 04:09:01,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 04:09:01,229 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2018-12-09 04:09:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 04:09:01,230 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:01,231 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 04:09:01,231 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:01,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:01,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1764507038, now seen corresponding path program 1 times [2018-12-09 04:09:01,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:01,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:01,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:01,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:01,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:01,286 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 04:09:01,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:09:01,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 04:09:01,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 04:09:01,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 04:09:01,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 04:09:01,288 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 3 states. [2018-12-09 04:09:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:01,299 INFO L93 Difference]: Finished difference Result 172 states and 199 transitions. [2018-12-09 04:09:01,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 04:09:01,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 04:09:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:01,300 INFO L225 Difference]: With dead ends: 172 [2018-12-09 04:09:01,301 INFO L226 Difference]: Without dead ends: 109 [2018-12-09 04:09:01,301 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 04:09:01,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-09 04:09:01,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-09 04:09:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-09 04:09:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2018-12-09 04:09:01,309 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2018-12-09 04:09:01,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:01,309 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2018-12-09 04:09:01,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 04:09:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2018-12-09 04:09:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 04:09:01,310 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:01,310 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 04:09:01,310 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:01,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:01,311 INFO L82 PathProgramCache]: Analyzing trace with hash -737217963, now seen corresponding path program 1 times [2018-12-09 04:09:01,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:01,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:01,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:01,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:01,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:01,386 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 04:09:01,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:09:01,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 04:09:01,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 04:09:01,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 04:09:01,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 04:09:01,387 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 7 states. [2018-12-09 04:09:01,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:01,601 INFO L93 Difference]: Finished difference Result 329 states and 395 transitions. [2018-12-09 04:09:01,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 04:09:01,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 04:09:01,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:01,603 INFO L225 Difference]: With dead ends: 329 [2018-12-09 04:09:01,603 INFO L226 Difference]: Without dead ends: 244 [2018-12-09 04:09:01,603 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 04:09:01,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-12-09 04:09:01,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 220. [2018-12-09 04:09:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-12-09 04:09:01,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 262 transitions. [2018-12-09 04:09:01,621 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 262 transitions. Word has length 52 [2018-12-09 04:09:01,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:01,621 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 262 transitions. [2018-12-09 04:09:01,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 04:09:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 262 transitions. [2018-12-09 04:09:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 04:09:01,623 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:01,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:09:01,623 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:01,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:01,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1608189482, now seen corresponding path program 1 times [2018-12-09 04:09:01,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:01,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:01,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:01,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:01,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:01,706 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 04:09:01,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:09:01,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 04:09:01,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 04:09:01,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 04:09:01,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 04:09:01,707 INFO L87 Difference]: Start difference. First operand 220 states and 262 transitions. Second operand 10 states. [2018-12-09 04:09:01,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:01,975 INFO L93 Difference]: Finished difference Result 760 states and 988 transitions. [2018-12-09 04:09:01,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 04:09:01,975 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-09 04:09:01,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:01,979 INFO L225 Difference]: With dead ends: 760 [2018-12-09 04:09:01,979 INFO L226 Difference]: Without dead ends: 564 [2018-12-09 04:09:01,981 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 04:09:01,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-09 04:09:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2018-12-09 04:09:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-12-09 04:09:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 686 transitions. [2018-12-09 04:09:02,018 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 686 transitions. Word has length 57 [2018-12-09 04:09:02,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:02,018 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 686 transitions. [2018-12-09 04:09:02,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 04:09:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 686 transitions. [2018-12-09 04:09:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 04:09:02,020 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:02,020 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] [2018-12-09 04:09:02,020 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:02,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:02,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1575007792, now seen corresponding path program 1 times [2018-12-09 04:09:02,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:02,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:02,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:02,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:02,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:02,066 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 04:09:02,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:09:02,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 04:09:02,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 04:09:02,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 04:09:02,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 04:09:02,067 INFO L87 Difference]: Start difference. First operand 552 states and 686 transitions. Second operand 4 states. [2018-12-09 04:09:02,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:02,253 INFO L93 Difference]: Finished difference Result 1455 states and 1966 transitions. [2018-12-09 04:09:02,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 04:09:02,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-09 04:09:02,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:02,256 INFO L225 Difference]: With dead ends: 1455 [2018-12-09 04:09:02,257 INFO L226 Difference]: Without dead ends: 927 [2018-12-09 04:09:02,258 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 04:09:02,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2018-12-09 04:09:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 813. [2018-12-09 04:09:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2018-12-09 04:09:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1018 transitions. [2018-12-09 04:09:02,292 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1018 transitions. Word has length 61 [2018-12-09 04:09:02,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:02,293 INFO L480 AbstractCegarLoop]: Abstraction has 813 states and 1018 transitions. [2018-12-09 04:09:02,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 04:09:02,293 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1018 transitions. [2018-12-09 04:09:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 04:09:02,295 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:02,295 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] [2018-12-09 04:09:02,295 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:02,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:02,295 INFO L82 PathProgramCache]: Analyzing trace with hash -301708314, now seen corresponding path program 1 times [2018-12-09 04:09:02,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:02,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:02,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:02,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:02,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 04:09:02,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:09:02,356 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/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 04:09:02,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:02,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:09:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 04:09:02,512 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 04:09:02,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-12-09 04:09:02,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 04:09:02,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 04:09:02,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-12-09 04:09:02,513 INFO L87 Difference]: Start difference. First operand 813 states and 1018 transitions. Second operand 12 states. [2018-12-09 04:09:04,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:04,051 INFO L93 Difference]: Finished difference Result 1973 states and 2675 transitions. [2018-12-09 04:09:04,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-09 04:09:04,052 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-12-09 04:09:04,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:04,058 INFO L225 Difference]: With dead ends: 1973 [2018-12-09 04:09:04,058 INFO L226 Difference]: Without dead ends: 1414 [2018-12-09 04:09:04,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=521, Invalid=2235, Unknown=0, NotChecked=0, Total=2756 [2018-12-09 04:09:04,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2018-12-09 04:09:04,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1233. [2018-12-09 04:09:04,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1233 states. [2018-12-09 04:09:04,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1565 transitions. [2018-12-09 04:09:04,139 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1565 transitions. Word has length 89 [2018-12-09 04:09:04,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:04,139 INFO L480 AbstractCegarLoop]: Abstraction has 1233 states and 1565 transitions. [2018-12-09 04:09:04,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 04:09:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1565 transitions. [2018-12-09 04:09:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 04:09:04,142 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:04,143 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] [2018-12-09 04:09:04,143 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:04,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:04,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1231184770, now seen corresponding path program 1 times [2018-12-09 04:09:04,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:04,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:04,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:04,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:04,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:04,216 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 04:09:04,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:09:04,216 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/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 04:09:04,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:04,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:09:04,327 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 04:09:04,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 04:09:04,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-09 04:09:04,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 04:09:04,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 04:09:04,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 04:09:04,344 INFO L87 Difference]: Start difference. First operand 1233 states and 1565 transitions. Second operand 11 states. [2018-12-09 04:09:04,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:04,411 INFO L93 Difference]: Finished difference Result 2442 states and 3182 transitions. [2018-12-09 04:09:04,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 04:09:04,411 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2018-12-09 04:09:04,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:04,416 INFO L225 Difference]: With dead ends: 2442 [2018-12-09 04:09:04,417 INFO L226 Difference]: Without dead ends: 1233 [2018-12-09 04:09:04,420 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 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 04:09:04,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2018-12-09 04:09:04,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1233. [2018-12-09 04:09:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1233 states. [2018-12-09 04:09:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1559 transitions. [2018-12-09 04:09:04,468 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1559 transitions. Word has length 111 [2018-12-09 04:09:04,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:04,468 INFO L480 AbstractCegarLoop]: Abstraction has 1233 states and 1559 transitions. [2018-12-09 04:09:04,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 04:09:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1559 transitions. [2018-12-09 04:09:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 04:09:04,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:04,470 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] [2018-12-09 04:09:04,470 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:04,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:04,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1176791872, now seen corresponding path program 1 times [2018-12-09 04:09:04,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:04,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:04,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:04,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:04,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:04,520 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 04:09:04,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:09:04,521 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/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 04:09:04,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:04,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:09:04,617 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 04:09:04,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 04:09:04,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-09 04:09:04,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 04:09:04,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 04:09:04,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 04:09:04,646 INFO L87 Difference]: Start difference. First operand 1233 states and 1559 transitions. Second operand 6 states. [2018-12-09 04:09:04,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:04,703 INFO L93 Difference]: Finished difference Result 2329 states and 3011 transitions. [2018-12-09 04:09:04,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 04:09:04,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-12-09 04:09:04,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:04,709 INFO L225 Difference]: With dead ends: 2329 [2018-12-09 04:09:04,709 INFO L226 Difference]: Without dead ends: 1120 [2018-12-09 04:09:04,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 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 04:09:04,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-12-09 04:09:04,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2018-12-09 04:09:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2018-12-09 04:09:04,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1401 transitions. [2018-12-09 04:09:04,784 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1401 transitions. Word has length 111 [2018-12-09 04:09:04,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:04,785 INFO L480 AbstractCegarLoop]: Abstraction has 1120 states and 1401 transitions. [2018-12-09 04:09:04,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 04:09:04,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1401 transitions. [2018-12-09 04:09:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 04:09:04,787 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:04,787 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] [2018-12-09 04:09:04,787 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:04,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:04,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1063126301, now seen corresponding path program 1 times [2018-12-09 04:09:04,788 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:04,788 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:04,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:04,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:04,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 04:09:04,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 04:09:04,910 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/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 04:09:04,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:05,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:09:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:09:05,075 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 04:09:05,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-09 04:09:05,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 04:09:05,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 04:09:05,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-09 04:09:05,076 INFO L87 Difference]: Start difference. First operand 1120 states and 1401 transitions. Second operand 15 states. [2018-12-09 04:09:05,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:09:05,718 INFO L93 Difference]: Finished difference Result 2270 states and 3050 transitions. [2018-12-09 04:09:05,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 04:09:05,718 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 115 [2018-12-09 04:09:05,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:09:05,722 INFO L225 Difference]: With dead ends: 2270 [2018-12-09 04:09:05,722 INFO L226 Difference]: Without dead ends: 1323 [2018-12-09 04:09:05,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 116 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 04:09:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2018-12-09 04:09:05,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1006. [2018-12-09 04:09:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2018-12-09 04:09:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1253 transitions. [2018-12-09 04:09:05,761 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1253 transitions. Word has length 115 [2018-12-09 04:09:05,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:09:05,761 INFO L480 AbstractCegarLoop]: Abstraction has 1006 states and 1253 transitions. [2018-12-09 04:09:05,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 04:09:05,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1253 transitions. [2018-12-09 04:09:05,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 04:09:05,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:09:05,763 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, 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] [2018-12-09 04:09:05,763 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:09:05,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:05,764 INFO L82 PathProgramCache]: Analyzing trace with hash -2133364984, now seen corresponding path program 2 times [2018-12-09 04:09:05,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:09:05,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:09:05,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:05,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:09:05,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:09:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:09:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:09:05,850 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 04:09:05,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:09:05 BoogieIcfgContainer [2018-12-09 04:09:05,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 04:09:05,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:09:05,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:09:05,943 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:09:05,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:09:00" (3/4) ... [2018-12-09 04:09:05,945 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 04:09:06,036 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_50132b05-9bec-4c76-805a-2e47da4e73b6/bin-2019/uautomizer/witness.graphml [2018-12-09 04:09:06,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:09:06,037 INFO L168 Benchmark]: Toolchain (without parser) took 5735.91 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 957.1 MB in the beginning and 906.9 MB in the end (delta: 50.2 MB). Peak memory consumption was 371.6 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:06,037 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:09:06,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:06,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.57 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 04:09:06,038 INFO L168 Benchmark]: Boogie Preprocessor took 21.93 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 04:09:06,038 INFO L168 Benchmark]: RCFGBuilder took 312.43 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: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:06,038 INFO L168 Benchmark]: TraceAbstraction took 4991.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 1.1 GB in the beginning and 953.9 MB in the end (delta: 116.1 MB). Peak memory consumption was 306.9 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:06,038 INFO L168 Benchmark]: Witness Printer took 93.27 ms. Allocated memory is still 1.4 GB. Free memory was 953.9 MB in the beginning and 906.9 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:06,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.57 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 21.93 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 312.43 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: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4991.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 1.1 GB in the beginning and 953.9 MB in the end (delta: 116.1 MB). Peak memory consumption was 306.9 MB. Max. memory is 11.5 GB. * Witness Printer took 93.27 ms. Allocated memory is still 1.4 GB. Free memory was 953.9 MB in the beginning and 906.9 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 437]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L123] int pumpRunning = 0; [L124] int systemActive = 1; [L299] int cleanupTimeShifts = 4; [L611] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L809] int waterLevel = 1; [L810] int methaneLevelCritical = 0; [L375] int retValue_acc ; [L376] 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] [L380] 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] [L381] 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] [L382] 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] [L424] int retValue_acc ; [L427] retValue_acc = 1 [L428] 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] [L382] 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] [L382] tmp = valid_product() [L384] 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] [L386] 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] [L387] 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] [L366] 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] [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] 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] [L56] 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] [L58] 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] [L64] tmp = __VERIFIER_nondet_int() [L66] 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] [L68] 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] [L827] COND TRUE waterLevel < 2 [L828] 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] [L68] 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] [L74] tmp___0 = __VERIFIER_nondet_int() [L76] 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] [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] COND FALSE !(\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=0, tmp___2=0, waterLevel=2] [L103] 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] [L131] 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] [L138] 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] [L140] 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] [L160] 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] [L163] 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] [L165] 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] [L257] int retValue_acc ; [L258] int tmp ; [L259] 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] [L263] 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] [L889] 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] [L892] COND FALSE !(waterLevel < 2) [L896] retValue_acc = 0 [L897] 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] [L263] 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] [L263] tmp = isHighWaterSensorDry() [L265] COND FALSE !(\read(tmp)) [L268] 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] [L270] retValue_acc = tmp___0 [L271] 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] [L165] 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] [L165] tmp = isHighWaterLevel() [L167] 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] [L169] 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] [L188] 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] [L169] 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] [L140] 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] [L146] 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] [L904] int tmp ; [L905] 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] [L909] 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] [L880] int retValue_acc ; [L883] retValue_acc = waterLevel [L884] 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] [L909] 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] [L909] tmp = getWaterLevel() [L911] 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] [L146] 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] [L103] 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=0, tmp___2=0, waterLevel=2] [L56] 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=0, tmp___2=0, waterLevel=2] [L58] 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=0, tmp___2=0, waterLevel=2] [L64] tmp = __VERIFIER_nondet_int() [L66] 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=0, tmp___2=0, waterLevel=2] [L74] tmp___0 = __VERIFIER_nondet_int() [L76] 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=0, tmp___2=0, waterLevel=2] [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] COND FALSE !(\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=0, tmp___2=0, waterLevel=2] [L103] 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] [L131] 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] [L133] 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] [L815] COND TRUE waterLevel > 0 [L816] 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] [L133] 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] [L138] 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] [L140] 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] [L160] 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] [L163] 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] [L178] 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] [L140] 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] [L146] 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] [L904] int tmp ; [L905] 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] [L909] 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] [L880] int retValue_acc ; [L883] retValue_acc = waterLevel [L884] 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] [L909] 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] [L909] tmp = getWaterLevel() [L911] 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] [L146] 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] [L103] 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=0, tmp___2=0, waterLevel=1] [L56] 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=0, tmp___2=0, waterLevel=1] [L58] 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=0, tmp___2=0, waterLevel=1] [L64] tmp = __VERIFIER_nondet_int() [L66] 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=0, tmp___2=0, waterLevel=1] [L74] tmp___0 = __VERIFIER_nondet_int() [L76] 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=0, tmp___2=0, waterLevel=1] [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] COND FALSE !(\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=0, tmp___2=0, waterLevel=1] [L103] 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] [L131] 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] [L133] 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] [L815] COND TRUE waterLevel > 0 [L816] 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] [L133] 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] [L138] 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] [L140] 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] [L160] 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] [L163] 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] [L178] 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] [L140] 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] [L146] 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] [L904] int tmp ; [L905] 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] [L909] 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] [L880] int retValue_acc ; [L883] retValue_acc = waterLevel [L884] 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] [L909] 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] [L909] tmp = getWaterLevel() [L911] 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] [L913] 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] [L212] int retValue_acc ; [L215] retValue_acc = pumpRunning [L216] 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] [L913] 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] [L913] tmp___0 = isPumpRunning() [L915] 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] [L917] 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] [L437] __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 26 procedures, 131 locations, 1 error locations. UNSAFE Result, 4.9s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1299 SDtfs, 1550 SDslu, 3819 SDs, 0 SdLazy, 3915 SolverSat, 997 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 586 GetRequests, 462 SyntacticMatches, 4 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1233occurred in iteration=6, 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 648 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1266 NumberOfCodeBlocks, 1266 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1102 ConstructedInterpolants, 0 QuantifiedInterpolants, 167490 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3068 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 176/198 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...