./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/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 cc5b595de9a81353e40cb89360f6656c22ce2f6a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-cad4683 [2019-10-22 09:00:40,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:40,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:40,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:40,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:40,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:40,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:40,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:40,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:40,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:40,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:40,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:40,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:40,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:40,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:40,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:40,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:40,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:40,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:40,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:40,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:40,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:40,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:40,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:40,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:40,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:40,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:40,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:40,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:40,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:40,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:40,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:40,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:40,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:40,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:40,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:40,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:40,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:40,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:40,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:40,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:40,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:40,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:40,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:40,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:40,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:40,298 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:40,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:40,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:40,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:40,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:40,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:40,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:40,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:40,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:40,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:40,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:40,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:40,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:40,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:40,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:40,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:40,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:40,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:40,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:40,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:40,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:40,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:40,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:40,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:40,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/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 -> cc5b595de9a81353e40cb89360f6656c22ce2f6a [2019-10-22 09:00:40,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:40,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:40,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:40,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:40,337 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:40,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-10-22 09:00:40,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/data/47d9491ee/260affd71b1f4979977e43448000469d/FLAGc7fe4f6b6 [2019-10-22 09:00:40,843 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:40,844 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-10-22 09:00:40,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/data/47d9491ee/260affd71b1f4979977e43448000469d/FLAGc7fe4f6b6 [2019-10-22 09:00:41,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/data/47d9491ee/260affd71b1f4979977e43448000469d [2019-10-22 09:00:41,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:41,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:41,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:41,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:41,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:41,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675044c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41, skipping insertion in model container [2019-10-22 09:00:41,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,193 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:41,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:41,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:41,535 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:41,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:41,667 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:41,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41 WrapperNode [2019-10-22 09:00:41,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:41,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:41,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:41,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:41,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:41,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:41,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:41,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:41,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... [2019-10-22 09:00:41,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:41,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:41,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:41,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:41,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/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 [2019-10-22 09:00:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:43,290 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:43,291 INFO L284 CfgBuilder]: Removed 900 assume(true) statements. [2019-10-22 09:00:43,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:43 BoogieIcfgContainer [2019-10-22 09:00:43,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:43,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:43,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:43,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:43,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:41" (1/3) ... [2019-10-22 09:00:43,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd35270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:43, skipping insertion in model container [2019-10-22 09:00:43,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:41" (2/3) ... [2019-10-22 09:00:43,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd35270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:43, skipping insertion in model container [2019-10-22 09:00:43,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:43" (3/3) ... [2019-10-22 09:00:43,300 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2019-10-22 09:00:43,308 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:43,322 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:00:43,331 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:00:43,363 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:43,363 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:43,363 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:43,364 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:43,364 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:43,364 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:43,364 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:43,364 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2019-10-22 09:00:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:00:43,401 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:43,402 INFO L380 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] [2019-10-22 09:00:43,405 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:43,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:43,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2019-10-22 09:00:43,419 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:43,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772892120] [2019-10-22 09:00:43,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:43,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:43,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:43,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:43,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772892120] [2019-10-22 09:00:43,676 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:43,676 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:43,677 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684073661] [2019-10-22 09:00:43,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:43,681 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:43,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:43,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:43,694 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2019-10-22 09:00:43,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:43,779 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2019-10-22 09:00:43,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:43,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2019-10-22 09:00:43,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:43,798 INFO L225 Difference]: With dead ends: 927 [2019-10-22 09:00:43,798 INFO L226 Difference]: Without dead ends: 466 [2019-10-22 09:00:43,802 INFO L600 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 [2019-10-22 09:00:43,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2019-10-22 09:00:43,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2019-10-22 09:00:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-10-22 09:00:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2019-10-22 09:00:43,877 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2019-10-22 09:00:43,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:43,877 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2019-10-22 09:00:43,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2019-10-22 09:00:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:00:43,879 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:43,879 INFO L380 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] [2019-10-22 09:00:43,879 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:43,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:43,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2019-10-22 09:00:43,880 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:43,880 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326774965] [2019-10-22 09:00:43,880 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:43,881 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:43,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:44,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326774965] [2019-10-22 09:00:44,007 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:44,007 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:44,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650550589] [2019-10-22 09:00:44,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:44,009 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:44,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:44,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:44,010 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 3 states. [2019-10-22 09:00:44,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:44,030 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2019-10-22 09:00:44,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:44,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 09:00:44,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:44,032 INFO L225 Difference]: With dead ends: 466 [2019-10-22 09:00:44,032 INFO L226 Difference]: Without dead ends: 172 [2019-10-22 09:00:44,034 INFO L600 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 [2019-10-22 09:00:44,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-10-22 09:00:44,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2019-10-22 09:00:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-10-22 09:00:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2019-10-22 09:00:44,044 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2019-10-22 09:00:44,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:44,044 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2019-10-22 09:00:44,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2019-10-22 09:00:44,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 09:00:44,046 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:44,046 INFO L380 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] [2019-10-22 09:00:44,046 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:44,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:44,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2019-10-22 09:00:44,047 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:44,047 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100012617] [2019-10-22 09:00:44,047 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,047 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:44,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100012617] [2019-10-22 09:00:44,143 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:44,143 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:00:44,143 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357940587] [2019-10-22 09:00:44,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:00:44,144 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:44,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:00:44,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:44,144 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 7 states. [2019-10-22 09:00:44,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:44,334 INFO L93 Difference]: Finished difference Result 674 states and 1051 transitions. [2019-10-22 09:00:44,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:44,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2019-10-22 09:00:44,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:44,337 INFO L225 Difference]: With dead ends: 674 [2019-10-22 09:00:44,337 INFO L226 Difference]: Without dead ends: 515 [2019-10-22 09:00:44,338 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:00:44,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-10-22 09:00:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 193. [2019-10-22 09:00:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-10-22 09:00:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 296 transitions. [2019-10-22 09:00:44,357 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 296 transitions. Word has length 30 [2019-10-22 09:00:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:44,358 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 296 transitions. [2019-10-22 09:00:44,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:00:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 296 transitions. [2019-10-22 09:00:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:00:44,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:44,360 INFO L380 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] [2019-10-22 09:00:44,360 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:44,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:44,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2019-10-22 09:00:44,360 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:44,361 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926797931] [2019-10-22 09:00:44,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:44,427 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926797931] [2019-10-22 09:00:44,427 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:44,427 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:44,427 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203724028] [2019-10-22 09:00:44,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:44,428 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:44,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:44,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:44,428 INFO L87 Difference]: Start difference. First operand 193 states and 296 transitions. Second operand 3 states. [2019-10-22 09:00:44,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:44,552 INFO L93 Difference]: Finished difference Result 384 states and 597 transitions. [2019-10-22 09:00:44,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:44,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 09:00:44,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:44,553 INFO L225 Difference]: With dead ends: 384 [2019-10-22 09:00:44,554 INFO L226 Difference]: Without dead ends: 204 [2019-10-22 09:00:44,554 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:44,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-10-22 09:00:44,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2019-10-22 09:00:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-22 09:00:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2019-10-22 09:00:44,569 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 33 [2019-10-22 09:00:44,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:44,569 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2019-10-22 09:00:44,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2019-10-22 09:00:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:00:44,570 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:44,571 INFO L380 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] [2019-10-22 09:00:44,571 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2019-10-22 09:00:44,571 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:44,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467723818] [2019-10-22 09:00:44,572 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,572 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:44,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:44,648 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467723818] [2019-10-22 09:00:44,648 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:44,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:00:44,649 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123533025] [2019-10-22 09:00:44,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:00:44,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:44,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:00:44,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:44,650 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand 9 states. [2019-10-22 09:00:45,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:45,178 INFO L93 Difference]: Finished difference Result 1414 states and 2168 transitions. [2019-10-22 09:00:45,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 09:00:45,179 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2019-10-22 09:00:45,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:45,183 INFO L225 Difference]: With dead ends: 1414 [2019-10-22 09:00:45,183 INFO L226 Difference]: Without dead ends: 1225 [2019-10-22 09:00:45,184 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2019-10-22 09:00:45,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2019-10-22 09:00:45,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 491. [2019-10-22 09:00:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-10-22 09:00:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 730 transitions. [2019-10-22 09:00:45,225 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 730 transitions. Word has length 33 [2019-10-22 09:00:45,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:45,226 INFO L462 AbstractCegarLoop]: Abstraction has 491 states and 730 transitions. [2019-10-22 09:00:45,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:00:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 730 transitions. [2019-10-22 09:00:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 09:00:45,228 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:45,228 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 09:00:45,228 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:45,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:45,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1610564718, now seen corresponding path program 1 times [2019-10-22 09:00:45,229 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:45,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311440958] [2019-10-22 09:00:45,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 09:00:45,294 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311440958] [2019-10-22 09:00:45,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:45,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:45,294 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758046409] [2019-10-22 09:00:45,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:45,295 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:45,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:45,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:45,296 INFO L87 Difference]: Start difference. First operand 491 states and 730 transitions. Second operand 5 states. [2019-10-22 09:00:45,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:45,530 INFO L93 Difference]: Finished difference Result 1309 states and 1977 transitions. [2019-10-22 09:00:45,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:45,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2019-10-22 09:00:45,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:45,534 INFO L225 Difference]: With dead ends: 1309 [2019-10-22 09:00:45,535 INFO L226 Difference]: Without dead ends: 1307 [2019-10-22 09:00:45,535 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:45,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2019-10-22 09:00:45,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 491. [2019-10-22 09:00:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-10-22 09:00:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 728 transitions. [2019-10-22 09:00:45,571 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 728 transitions. Word has length 49 [2019-10-22 09:00:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:45,571 INFO L462 AbstractCegarLoop]: Abstraction has 491 states and 728 transitions. [2019-10-22 09:00:45,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 728 transitions. [2019-10-22 09:00:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 09:00:45,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:45,573 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 09:00:45,574 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:45,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:45,574 INFO L82 PathProgramCache]: Analyzing trace with hash 421650894, now seen corresponding path program 1 times [2019-10-22 09:00:45,574 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:45,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774106566] [2019-10-22 09:00:45,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 09:00:45,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774106566] [2019-10-22 09:00:45,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:45,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:45,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936442277] [2019-10-22 09:00:45,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:45,646 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:45,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:45,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:45,647 INFO L87 Difference]: Start difference. First operand 491 states and 728 transitions. Second operand 5 states. [2019-10-22 09:00:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:45,827 INFO L93 Difference]: Finished difference Result 1333 states and 1967 transitions. [2019-10-22 09:00:45,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:45,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-10-22 09:00:45,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:45,830 INFO L225 Difference]: With dead ends: 1333 [2019-10-22 09:00:45,831 INFO L226 Difference]: Without dead ends: 855 [2019-10-22 09:00:45,831 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:45,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2019-10-22 09:00:45,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 551. [2019-10-22 09:00:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2019-10-22 09:00:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 788 transitions. [2019-10-22 09:00:45,863 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 788 transitions. Word has length 59 [2019-10-22 09:00:45,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:45,863 INFO L462 AbstractCegarLoop]: Abstraction has 551 states and 788 transitions. [2019-10-22 09:00:45,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 788 transitions. [2019-10-22 09:00:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 09:00:45,864 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:45,865 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 09:00:45,865 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:45,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:45,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1807854288, now seen corresponding path program 1 times [2019-10-22 09:00:45,865 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:45,865 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072746117] [2019-10-22 09:00:45,866 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,866 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 09:00:45,939 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072746117] [2019-10-22 09:00:45,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:45,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:00:45,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118600943] [2019-10-22 09:00:45,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:00:45,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:45,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:00:45,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:45,940 INFO L87 Difference]: Start difference. First operand 551 states and 788 transitions. Second operand 7 states. [2019-10-22 09:00:46,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,164 INFO L93 Difference]: Finished difference Result 1290 states and 1845 transitions. [2019-10-22 09:00:46,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:00:46,164 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2019-10-22 09:00:46,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,167 INFO L225 Difference]: With dead ends: 1290 [2019-10-22 09:00:46,167 INFO L226 Difference]: Without dead ends: 752 [2019-10-22 09:00:46,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:00:46,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2019-10-22 09:00:46,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 464. [2019-10-22 09:00:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-10-22 09:00:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 644 transitions. [2019-10-22 09:00:46,206 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 644 transitions. Word has length 59 [2019-10-22 09:00:46,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,207 INFO L462 AbstractCegarLoop]: Abstraction has 464 states and 644 transitions. [2019-10-22 09:00:46,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:00:46,207 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 644 transitions. [2019-10-22 09:00:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 09:00:46,208 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,208 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 09:00:46,208 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:46,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,209 INFO L82 PathProgramCache]: Analyzing trace with hash 124429653, now seen corresponding path program 1 times [2019-10-22 09:00:46,209 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842857687] [2019-10-22 09:00:46,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842857687] [2019-10-22 09:00:46,253 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:46,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:46,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133004811] [2019-10-22 09:00:46,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:46,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:46,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:46,255 INFO L87 Difference]: Start difference. First operand 464 states and 644 transitions. Second operand 3 states. [2019-10-22 09:00:46,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,383 INFO L93 Difference]: Finished difference Result 1061 states and 1491 transitions. [2019-10-22 09:00:46,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:46,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-22 09:00:46,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,386 INFO L225 Difference]: With dead ends: 1061 [2019-10-22 09:00:46,386 INFO L226 Difference]: Without dead ends: 610 [2019-10-22 09:00:46,387 INFO L600 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 [2019-10-22 09:00:46,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2019-10-22 09:00:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2019-10-22 09:00:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-10-22 09:00:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 838 transitions. [2019-10-22 09:00:46,425 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 838 transitions. Word has length 60 [2019-10-22 09:00:46,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,425 INFO L462 AbstractCegarLoop]: Abstraction has 610 states and 838 transitions. [2019-10-22 09:00:46,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 838 transitions. [2019-10-22 09:00:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 09:00:46,426 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,427 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 09:00:46,427 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,427 INFO L82 PathProgramCache]: Analyzing trace with hash 417791151, now seen corresponding path program 1 times [2019-10-22 09:00:46,427 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811897027] [2019-10-22 09:00:46,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,477 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811897027] [2019-10-22 09:00:46,478 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482075564] [2019-10-22 09:00:46,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 09:00:46,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,630 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:46,630 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-10-22 09:00:46,630 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16447553] [2019-10-22 09:00:46,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:46,631 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:46,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:46,632 INFO L87 Difference]: Start difference. First operand 610 states and 838 transitions. Second operand 6 states. [2019-10-22 09:00:46,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,907 INFO L93 Difference]: Finished difference Result 1605 states and 2207 transitions. [2019-10-22 09:00:46,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:46,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-22 09:00:46,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,911 INFO L225 Difference]: With dead ends: 1605 [2019-10-22 09:00:46,911 INFO L226 Difference]: Without dead ends: 1132 [2019-10-22 09:00:46,912 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:00:46,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2019-10-22 09:00:46,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 662. [2019-10-22 09:00:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2019-10-22 09:00:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 893 transitions. [2019-10-22 09:00:46,961 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 893 transitions. Word has length 61 [2019-10-22 09:00:46,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,962 INFO L462 AbstractCegarLoop]: Abstraction has 662 states and 893 transitions. [2019-10-22 09:00:46,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 893 transitions. [2019-10-22 09:00:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-22 09:00:46,963 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,963 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:00:47,164 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:47,164 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:47,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:47,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1375374740, now seen corresponding path program 2 times [2019-10-22 09:00:47,164 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:47,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585861810] [2019-10-22 09:00:47,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:47,793 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:47,794 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:00:47,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:47 BoogieIcfgContainer [2019-10-22 09:00:47,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:47,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:47,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:47,925 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:47,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:43" (3/4) ... [2019-10-22 09:00:47,927 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 09:00:48,110 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_85d2db6d-3c50-4db6-928d-3bcc1c7cb46d/bin/uautomizer/witness.graphml [2019-10-22 09:00:48,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:48,112 INFO L168 Benchmark]: Toolchain (without parser) took 6934.46 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 358.6 MB). Free memory was 947.1 MB in the beginning and 881.0 MB in the end (delta: 66.0 MB). Peak memory consumption was 424.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:48,113 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:48,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:48,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.70 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:48,114 INFO L168 Benchmark]: Boogie Preprocessor took 106.49 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:48,115 INFO L168 Benchmark]: RCFGBuilder took 1393.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.7 MB in the end (delta: 157.2 MB). Peak memory consumption was 157.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:48,115 INFO L168 Benchmark]: TraceAbstraction took 4630.95 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 199.2 MB). Free memory was 959.7 MB in the beginning and 927.1 MB in the end (delta: 32.6 MB). Peak memory consumption was 231.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:48,115 INFO L168 Benchmark]: Witness Printer took 186.12 ms. Allocated memory is still 1.4 GB. Free memory was 927.1 MB in the beginning and 881.0 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:48,117 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 490.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.70 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.49 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1393.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.7 MB in the end (delta: 157.2 MB). Peak memory consumption was 157.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4630.95 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 199.2 MB). Free memory was 959.7 MB in the beginning and 927.1 MB in the end (delta: 32.6 MB). Peak memory consumption was 231.8 MB. Max. memory is 11.5 GB. * Witness Printer took 186.12 ms. Allocated memory is still 1.4 GB. Free memory was 927.1 MB in the beginning and 881.0 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 602]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L145] int __SELECTED_FEATURE_base ; [L146] int __SELECTED_FEATURE_highWaterSensor ; [L147] int __SELECTED_FEATURE_lowWaterSensor ; [L148] int __SELECTED_FEATURE_methaneQuery ; [L149] int __SELECTED_FEATURE_methaneAlarm ; [L150] int __SELECTED_FEATURE_stopCommand ; [L151] int __SELECTED_FEATURE_startCommand ; [L152] int __GUIDSL_ROOT_PRODUCTION ; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L973] int waterLevel = 1; [L974] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L1107] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1092] __SELECTED_FEATURE_base = 1 [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1093] __SELECTED_FEATURE_highWaterSensor = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1094] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1095] __SELECTED_FEATURE_methaneQuery = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1096] __SELECTED_FEATURE_methaneAlarm = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1097] __SELECTED_FEATURE_stopCommand = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1098] __SELECTED_FEATURE_startCommand = select_one() [L1112] int retValue_acc ; [L1115] retValue_acc = __SELECTED_FEATURE_base [L1116] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L539] tmp = __VERIFIER_nondet_int() [L541] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L991] COND TRUE waterLevel < 2 [L992] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L204] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L340] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L297] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L254] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L226] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L229] COND TRUE ! pumpRunning [L460] int retValue_acc ; [L461] int tmp ; [L462] int tmp___0 ; [L1053] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1056] COND FALSE !(waterLevel < 2) [L1060] retValue_acc = 0 [L1061] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L466] tmp = isHighWaterSensorDry() [L468] COND FALSE !(\read(tmp)) [L471] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L473] retValue_acc = tmp___0 [L474] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L231] tmp = isHighWaterLevel() [L233] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L382] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L357] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L156] int tmp ; [L157] int tmp___0 ; [L1044] int retValue_acc ; [L1047] retValue_acc = waterLevel [L1048] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L161] tmp = getWaterLevel() [L163] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L531] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L533] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L539] tmp = __VERIFIER_nondet_int() [L541] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L197] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L979] COND TRUE waterLevel > 0 [L980] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L204] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L340] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L297] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L254] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L226] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L229] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L156] int tmp ; [L157] int tmp___0 ; [L1044] int retValue_acc ; [L1047] retValue_acc = waterLevel [L1048] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L161] tmp = getWaterLevel() [L163] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L531] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L533] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L539] tmp = __VERIFIER_nondet_int() [L541] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L197] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L979] COND TRUE waterLevel > 0 [L980] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L204] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L340] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L297] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L254] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L226] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L229] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L156] int tmp ; [L157] int tmp___0 ; [L1044] int retValue_acc ; [L1047] retValue_acc = waterLevel [L1048] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L161] tmp = getWaterLevel() [L163] COND TRUE tmp == 0 [L415] int retValue_acc ; [L418] retValue_acc = pumpRunning [L419] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L165] tmp___0 = isPumpRunning() [L167] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L602] __VERIFIER_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=20, __SELECTED_FEATURE_stopCommand=12, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 470 locations, 3 error locations. Result: UNSAFE, OverallTime: 4.5s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3645 SDtfs, 7277 SDslu, 7615 SDs, 0 SdLazy, 841 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=662occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 2936 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 46867 SizeOfPredicates, 4 NumberOfNonLiveVariables, 479 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 96/102 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...