./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product37_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_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/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 903a1f53bc072e1ab483040d7a35aae5e2bdf412 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:02:41,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:02:41,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:02:41,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:02:41,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:02:41,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:02:41,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:02:42,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:02:42,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:02:42,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:02:42,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:02:42,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:02:42,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:02:42,003 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:02:42,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:02:42,004 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:02:42,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:02:42,005 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:02:42,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:02:42,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:02:42,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:02:42,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:02:42,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:02:42,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:02:42,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:02:42,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:02:42,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:02:42,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:02:42,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:02:42,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:02:42,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:02:42,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:02:42,012 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:02:42,012 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:02:42,013 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:02:42,013 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:02:42,013 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 16:02:42,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:02:42,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:02:42,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:02:42,021 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:02:42,021 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 16:02:42,021 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 16:02:42,021 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 16:02:42,022 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:02:42,022 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:02:42,022 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:02:42,022 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:02:42,022 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:02:42,022 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:02:42,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:02:42,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:02:42,023 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:02:42,023 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:02:42,023 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:02:42,023 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:02:42,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:02:42,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:02:42,023 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:02:42,023 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:02:42,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:02:42,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:02:42,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:02:42,024 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:02:42,024 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 16:02:42,024 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:02:42,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:02:42,024 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_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/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 -> 903a1f53bc072e1ab483040d7a35aae5e2bdf412 [2018-12-09 16:02:42,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:02:42,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:02:42,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:02:42,051 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:02:42,051 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:02:42,052 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-09 16:02:42,090 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/data/b9409ab91/d614655b479d48968a1f32d356f74647/FLAGb9c799ae9 [2018-12-09 16:02:42,457 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:02:42,458 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-09 16:02:42,464 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/data/b9409ab91/d614655b479d48968a1f32d356f74647/FLAGb9c799ae9 [2018-12-09 16:02:42,835 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/data/b9409ab91/d614655b479d48968a1f32d356f74647 [2018-12-09 16:02:42,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:02:42,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:02:42,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:02:42,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:02:42,841 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:02:42,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:02:42" (1/1) ... [2018-12-09 16:02:42,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38efbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:42, skipping insertion in model container [2018-12-09 16:02:42,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:02:42" (1/1) ... [2018-12-09 16:02:42,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:02:42,868 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:02:43,015 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:02:43,023 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:02:43,119 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:02:43,134 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:02:43,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43 WrapperNode [2018-12-09 16:02:43,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:02:43,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:02:43,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:02:43,135 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:02:43,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:02:43,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:02:43,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:02:43,155 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:02:43,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... [2018-12-09 16:02:43,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:02:43,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:02:43,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:02:43,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:02:43,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/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 16:02:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 16:02:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 16:02:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 16:02:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 16:02:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:02:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:02:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:02:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 16:02:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 16:02:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 16:02:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 16:02:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 16:02:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 16:02:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 16:02:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 16:02:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 16:02:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 16:02:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 16:02:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 16:02:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 16:02:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 16:02:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 16:02:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 16:02:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 16:02:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 16:02:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 16:02:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 16:02:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 16:02:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 16:02:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 16:02:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 16:02:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 16:02:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 16:02:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 16:02:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 16:02:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 16:02:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 16:02:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 16:02:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 16:02:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 16:02:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 16:02:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:02:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 16:02:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 16:02:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 16:02:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 16:02:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:02:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:02:43,517 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:02:43,517 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 16:02:43,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:02:43 BoogieIcfgContainer [2018-12-09 16:02:43,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:02:43,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:02:43,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:02:43,521 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:02:43,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:02:42" (1/3) ... [2018-12-09 16:02:43,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2078bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:02:43, skipping insertion in model container [2018-12-09 16:02:43,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:43" (2/3) ... [2018-12-09 16:02:43,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2078bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:02:43, skipping insertion in model container [2018-12-09 16:02:43,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:02:43" (3/3) ... [2018-12-09 16:02:43,524 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-09 16:02:43,531 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:02:43,537 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:02:43,546 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:02:43,567 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 16:02:43,567 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:02:43,567 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:02:43,567 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:02:43,568 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:02:43,568 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:02:43,568 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:02:43,568 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:02:43,568 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:02:43,582 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-12-09 16:02:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 16:02:43,587 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:43,588 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 16:02:43,589 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:43,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:43,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1637265317, now seen corresponding path program 1 times [2018-12-09 16:02:43,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:43,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:43,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:43,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:43,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:43,752 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 16:02:43,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:02:43,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 16:02:43,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 16:02:43,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 16:02:43,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:02:43,764 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-12-09 16:02:43,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:43,786 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-09 16:02:43,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 16:02:43,787 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 16:02:43,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:43,794 INFO L225 Difference]: With dead ends: 252 [2018-12-09 16:02:43,794 INFO L226 Difference]: Without dead ends: 126 [2018-12-09 16:02:43,797 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 16:02:43,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-09 16:02:43,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-09 16:02:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-09 16:02:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-09 16:02:43,827 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-12-09 16:02:43,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:43,827 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-09 16:02:43,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 16:02:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-09 16:02:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 16:02:43,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:43,829 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 16:02:43,829 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:43,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:43,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1526343538, now seen corresponding path program 1 times [2018-12-09 16:02:43,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:43,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:43,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:43,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:43,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:43,880 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 16:02:43,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:02:43,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 16:02:43,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:02:43,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:02:43,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:02:43,882 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-12-09 16:02:43,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:43,898 INFO L93 Difference]: Finished difference Result 201 states and 233 transitions. [2018-12-09 16:02:43,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:02:43,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 16:02:43,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:43,900 INFO L225 Difference]: With dead ends: 201 [2018-12-09 16:02:43,900 INFO L226 Difference]: Without dead ends: 117 [2018-12-09 16:02:43,901 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 16:02:43,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-09 16:02:43,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-09 16:02:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-09 16:02:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-12-09 16:02:43,909 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-12-09 16:02:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:43,909 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-12-09 16:02:43,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:02:43,909 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-12-09 16:02:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 16:02:43,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:43,910 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:43,910 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:43,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:43,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1560682151, now seen corresponding path program 1 times [2018-12-09 16:02:43,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:43,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:43,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:43,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:43,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:43,980 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 16:02:43,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:02:43,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 16:02:43,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:02:43,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:02:43,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:02:43,981 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-12-09 16:02:44,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:44,127 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2018-12-09 16:02:44,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:02:44,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 16:02:44,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:44,129 INFO L225 Difference]: With dead ends: 210 [2018-12-09 16:02:44,129 INFO L226 Difference]: Without dead ends: 117 [2018-12-09 16:02:44,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:02:44,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-09 16:02:44,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-09 16:02:44,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-09 16:02:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2018-12-09 16:02:44,137 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 51 [2018-12-09 16:02:44,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:44,137 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2018-12-09 16:02:44,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:02:44,137 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2018-12-09 16:02:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 16:02:44,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:44,138 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:44,139 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:44,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:44,139 INFO L82 PathProgramCache]: Analyzing trace with hash 153041462, now seen corresponding path program 1 times [2018-12-09 16:02:44,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:44,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:44,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:44,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:44,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:44,196 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 16:02:44,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:02:44,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 16:02:44,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 16:02:44,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 16:02:44,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 16:02:44,197 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 5 states. [2018-12-09 16:02:44,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:44,441 INFO L93 Difference]: Finished difference Result 304 states and 365 transitions. [2018-12-09 16:02:44,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:02:44,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-09 16:02:44,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:44,443 INFO L225 Difference]: With dead ends: 304 [2018-12-09 16:02:44,444 INFO L226 Difference]: Without dead ends: 211 [2018-12-09 16:02:44,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:02:44,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-12-09 16:02:44,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2018-12-09 16:02:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-12-09 16:02:44,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 219 transitions. [2018-12-09 16:02:44,464 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 219 transitions. Word has length 64 [2018-12-09 16:02:44,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:44,464 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 219 transitions. [2018-12-09 16:02:44,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 16:02:44,464 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 219 transitions. [2018-12-09 16:02:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 16:02:44,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:44,466 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:44,466 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:44,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:44,466 INFO L82 PathProgramCache]: Analyzing trace with hash -2097946015, now seen corresponding path program 1 times [2018-12-09 16:02:44,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:44,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:44,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:44,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:44,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:44,530 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 16:02:44,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:02:44,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 16:02:44,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 16:02:44,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 16:02:44,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:02:44,531 INFO L87 Difference]: Start difference. First operand 193 states and 219 transitions. Second operand 10 states. [2018-12-09 16:02:44,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:44,818 INFO L93 Difference]: Finished difference Result 612 states and 763 transitions. [2018-12-09 16:02:44,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 16:02:44,818 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2018-12-09 16:02:44,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:44,821 INFO L225 Difference]: With dead ends: 612 [2018-12-09 16:02:44,821 INFO L226 Difference]: Without dead ends: 443 [2018-12-09 16:02:44,822 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 16:02:44,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-12-09 16:02:44,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2018-12-09 16:02:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-12-09 16:02:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 511 transitions. [2018-12-09 16:02:44,845 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 511 transitions. Word has length 78 [2018-12-09 16:02:44,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:44,845 INFO L480 AbstractCegarLoop]: Abstraction has 433 states and 511 transitions. [2018-12-09 16:02:44,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 16:02:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 511 transitions. [2018-12-09 16:02:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 16:02:44,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:44,847 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:44,848 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:44,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:44,848 INFO L82 PathProgramCache]: Analyzing trace with hash -2059747388, now seen corresponding path program 1 times [2018-12-09 16:02:44,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:44,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:44,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:44,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:44,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:02:44,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:44,905 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/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 16:02:44,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:44,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:02:45,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:02:45,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-09 16:02:45,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:02:45,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:02:45,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:02:45,040 INFO L87 Difference]: Start difference. First operand 433 states and 511 transitions. Second operand 6 states. [2018-12-09 16:02:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:45,077 INFO L93 Difference]: Finished difference Result 857 states and 1033 transitions. [2018-12-09 16:02:45,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:02:45,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-12-09 16:02:45,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:45,080 INFO L225 Difference]: With dead ends: 857 [2018-12-09 16:02:45,080 INFO L226 Difference]: Without dead ends: 448 [2018-12-09 16:02:45,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 2 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 16:02:45,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-12-09 16:02:45,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2018-12-09 16:02:45,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-12-09 16:02:45,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 527 transitions. [2018-12-09 16:02:45,105 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 527 transitions. Word has length 126 [2018-12-09 16:02:45,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:45,105 INFO L480 AbstractCegarLoop]: Abstraction has 448 states and 527 transitions. [2018-12-09 16:02:45,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:02:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 527 transitions. [2018-12-09 16:02:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 16:02:45,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:45,107 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:45,107 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:45,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:45,107 INFO L82 PathProgramCache]: Analyzing trace with hash -2032681786, now seen corresponding path program 1 times [2018-12-09 16:02:45,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:45,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:45,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:45,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:45,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:02:45,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:45,176 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/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 16:02:45,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:45,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:02:45,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:02:45,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-09 16:02:45,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 16:02:45,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 16:02:45,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:02:45,313 INFO L87 Difference]: Start difference. First operand 448 states and 527 transitions. Second operand 11 states. [2018-12-09 16:02:45,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:45,349 INFO L93 Difference]: Finished difference Result 804 states and 971 transitions. [2018-12-09 16:02:45,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:02:45,349 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2018-12-09 16:02:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:45,350 INFO L225 Difference]: With dead ends: 804 [2018-12-09 16:02:45,350 INFO L226 Difference]: Without dead ends: 380 [2018-12-09 16:02:45,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 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 16:02:45,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-12-09 16:02:45,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-12-09 16:02:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-12-09 16:02:45,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 440 transitions. [2018-12-09 16:02:45,363 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 440 transitions. Word has length 126 [2018-12-09 16:02:45,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:45,364 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 440 transitions. [2018-12-09 16:02:45,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 16:02:45,364 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 440 transitions. [2018-12-09 16:02:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 16:02:45,365 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:45,365 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:45,365 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:45,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:45,366 INFO L82 PathProgramCache]: Analyzing trace with hash 302761453, now seen corresponding path program 1 times [2018-12-09 16:02:45,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:45,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:45,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:45,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:45,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:45,418 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 16:02:45,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:45,418 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/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 16:02:45,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:45,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:45,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:02:45,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-09 16:02:45,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:02:45,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:02:45,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:02:45,555 INFO L87 Difference]: Start difference. First operand 380 states and 440 transitions. Second operand 6 states. [2018-12-09 16:02:45,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:45,923 INFO L93 Difference]: Finished difference Result 798 states and 964 transitions. [2018-12-09 16:02:45,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:02:45,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-12-09 16:02:45,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:45,925 INFO L225 Difference]: With dead ends: 798 [2018-12-09 16:02:45,925 INFO L226 Difference]: Without dead ends: 499 [2018-12-09 16:02:45,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:02:45,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-12-09 16:02:45,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 455. [2018-12-09 16:02:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-09 16:02:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 532 transitions. [2018-12-09 16:02:45,940 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 532 transitions. Word has length 137 [2018-12-09 16:02:45,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:45,941 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 532 transitions. [2018-12-09 16:02:45,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:02:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 532 transitions. [2018-12-09 16:02:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 16:02:45,942 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:45,942 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:45,942 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:45,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:45,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1820365183, now seen corresponding path program 1 times [2018-12-09 16:02:45,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:45,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:45,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:45,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:45,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 16:02:46,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:02:46,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 16:02:46,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:02:46,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:02:46,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:02:46,002 INFO L87 Difference]: Start difference. First operand 455 states and 532 transitions. Second operand 9 states. [2018-12-09 16:02:46,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:46,281 INFO L93 Difference]: Finished difference Result 1214 states and 1452 transitions. [2018-12-09 16:02:46,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 16:02:46,282 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 130 [2018-12-09 16:02:46,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:46,284 INFO L225 Difference]: With dead ends: 1214 [2018-12-09 16:02:46,284 INFO L226 Difference]: Without dead ends: 783 [2018-12-09 16:02:46,285 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-09 16:02:46,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-12-09 16:02:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 780. [2018-12-09 16:02:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2018-12-09 16:02:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 906 transitions. [2018-12-09 16:02:46,309 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 906 transitions. Word has length 130 [2018-12-09 16:02:46,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:46,309 INFO L480 AbstractCegarLoop]: Abstraction has 780 states and 906 transitions. [2018-12-09 16:02:46,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:02:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 906 transitions. [2018-12-09 16:02:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 16:02:46,311 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:46,311 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:46,311 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:46,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:46,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1801494755, now seen corresponding path program 1 times [2018-12-09 16:02:46,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:46,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:46,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:46,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:46,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 16:02:46,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:02:46,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:02:46,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:02:46,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:02:46,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:02:46,348 INFO L87 Difference]: Start difference. First operand 780 states and 906 transitions. Second operand 6 states. [2018-12-09 16:02:46,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:46,437 INFO L93 Difference]: Finished difference Result 793 states and 919 transitions. [2018-12-09 16:02:46,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:02:46,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-09 16:02:46,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:46,439 INFO L225 Difference]: With dead ends: 793 [2018-12-09 16:02:46,439 INFO L226 Difference]: Without dead ends: 790 [2018-12-09 16:02:46,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:02:46,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-09 16:02:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 780. [2018-12-09 16:02:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2018-12-09 16:02:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 903 transitions. [2018-12-09 16:02:46,462 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 903 transitions. Word has length 134 [2018-12-09 16:02:46,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:46,463 INFO L480 AbstractCegarLoop]: Abstraction has 780 states and 903 transitions. [2018-12-09 16:02:46,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:02:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 903 transitions. [2018-12-09 16:02:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 16:02:46,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:46,465 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:46,465 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:46,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:46,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1266980022, now seen corresponding path program 1 times [2018-12-09 16:02:46,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:46,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:46,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:46,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:46,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 16:02:46,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:46,546 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/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 16:02:46,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:46,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:46,702 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 16:02:46,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-09 16:02:46,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 16:02:46,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 16:02:46,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-09 16:02:46,703 INFO L87 Difference]: Start difference. First operand 780 states and 903 transitions. Second operand 15 states. [2018-12-09 16:02:47,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:47,537 INFO L93 Difference]: Finished difference Result 1811 states and 2334 transitions. [2018-12-09 16:02:47,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 16:02:47,537 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 134 [2018-12-09 16:02:47,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:47,540 INFO L225 Difference]: With dead ends: 1811 [2018-12-09 16:02:47,540 INFO L226 Difference]: Without dead ends: 1173 [2018-12-09 16:02:47,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 135 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 16:02:47,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2018-12-09 16:02:47,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 890. [2018-12-09 16:02:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2018-12-09 16:02:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1033 transitions. [2018-12-09 16:02:47,575 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1033 transitions. Word has length 134 [2018-12-09 16:02:47,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:47,575 INFO L480 AbstractCegarLoop]: Abstraction has 890 states and 1033 transitions. [2018-12-09 16:02:47,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 16:02:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1033 transitions. [2018-12-09 16:02:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 16:02:47,577 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:47,577 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:47,577 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:47,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:47,578 INFO L82 PathProgramCache]: Analyzing trace with hash 673321303, now seen corresponding path program 2 times [2018-12-09 16:02:47,578 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:02:47,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:02:47,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:47,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:47,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:02:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:02:47,684 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 16:02:47,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:02:47 BoogieIcfgContainer [2018-12-09 16:02:47,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:02:47,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:02:47,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:02:47,791 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:02:47,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:02:43" (3/4) ... [2018-12-09 16:02:47,793 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 16:02:47,888 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_28ba3fec-3a6e-46b8-8c80-02b0b93ba362/bin-2019/uautomizer/witness.graphml [2018-12-09 16:02:47,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:02:47,889 INFO L168 Benchmark]: Toolchain (without parser) took 5051.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -68.0 MB). Peak memory consumption was 262.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:47,890 INFO L168 Benchmark]: CDTParser took 0.11 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 16:02:47,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:47,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.98 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 16:02:47,890 INFO L168 Benchmark]: Boogie Preprocessor took 21.62 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 16:02:47,890 INFO L168 Benchmark]: RCFGBuilder took 341.05 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: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:47,891 INFO L168 Benchmark]: TraceAbstraction took 4272.10 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 1.1 GB in the end (delta: -24.2 MB). Peak memory consumption was 166.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:47,891 INFO L168 Benchmark]: Witness Printer took 97.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:47,892 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 296.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.98 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 21.62 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 341.05 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: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4272.10 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 1.1 GB in the end (delta: -24.2 MB). Peak memory consumption was 166.7 MB. Max. memory is 11.5 GB. * Witness Printer took 97.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 434]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L155] int pumpRunning = 0; [L156] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L703] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L407] int retValue_acc ; [L408] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L412] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L414] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L414] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L414] tmp = valid_product() [L416] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L418] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L419] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L83] int splverifierCounter ; [L84] int tmp ; [L85] int tmp___0 ; [L86] int tmp___1 ; [L87] int tmp___2 ; [L90] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L100] tmp = __VERIFIER_nondet_int() [L102] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L104] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L458] COND TRUE waterLevel < 2 [L459] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L163] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L221] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L236] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L195] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] int retValue_acc ; [L316] int tmp ; [L317] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L520] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L523] COND FALSE !(waterLevel < 2) [L527] retValue_acc = 0 [L528] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L321] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] tmp = isHighWaterSensorDry() [L323] COND FALSE !(\read(tmp)) [L326] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L328] retValue_acc = tmp___0 [L329] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L197] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp = isHighWaterLevel() [L199] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L201] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L246] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L201] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L236] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L178] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L135] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L163] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L165] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L221] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L223] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L263] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L263] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L223] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L231] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L195] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L210] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L231] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L178] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L135] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L163] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L165] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L221] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L223] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L263] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L263] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L223] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L231] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L195] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L210] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L231] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L906] tmp = getWaterLevel() [L908] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L910] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L270] int retValue_acc ; [L273] retValue_acc = pumpRunning [L274] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L910] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L910] tmp___0 = isPumpRunning() [L912] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L914] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L434] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. UNSAFE Result, 4.2s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1750 SDtfs, 1440 SDslu, 4986 SDs, 0 SdLazy, 3206 SolverSat, 598 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 665 GetRequests, 558 SyntacticMatches, 3 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=890occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 368 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1781 NumberOfCodeBlocks, 1781 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1581 ConstructedInterpolants, 0 QuantifiedInterpolants, 275503 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3206 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 260/294 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...