./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/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 0.1.25-f470102 [2019-12-07 17:47:46,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:47:46,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:47:46,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:47:46,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:47:46,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:47:46,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:47:46,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:47:46,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:47:46,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:47:46,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:47:46,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:47:46,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:47:46,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:47:46,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:47:46,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:47:46,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:47:46,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:47:46,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:47:46,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:47:46,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:47:46,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:47:46,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:47:46,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:47:46,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:47:46,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:47:46,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:47:46,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:47:46,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:47:46,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:47:46,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:47:46,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:47:46,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:47:46,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:47:46,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:47:46,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:47:46,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:47:46,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:47:46,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:47:46,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:47:46,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:47:46,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:47:46,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:47:46,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:47:46,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:47:46,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:47:46,597 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:47:46,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:47:46,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:47:46,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:47:46,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:47:46,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:47:46,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:47:46,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:47:46,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:47:46,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:47:46,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:47:46,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:47:46,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:47:46,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:47:46,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:47:46,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:47:46,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:47:46,600 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/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/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 [2019-12-07 17:47:46,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:47:46,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:47:46,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:47:46,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:47:46,714 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:47:46,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-12-07 17:47:46,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/data/4440ab23c/b3f8bb24f980405dae79f2bef099fbdc/FLAG593ffc39f [2019-12-07 17:47:47,196 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:47:47,196 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-12-07 17:47:47,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/data/4440ab23c/b3f8bb24f980405dae79f2bef099fbdc/FLAG593ffc39f [2019-12-07 17:47:47,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/data/4440ab23c/b3f8bb24f980405dae79f2bef099fbdc [2019-12-07 17:47:47,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:47:47,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:47:47,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:47:47,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:47:47,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:47:47,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:47,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf3238d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47, skipping insertion in model container [2019-12-07 17:47:47,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:47,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:47:47,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:47:47,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:47:47,829 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:47:47,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:47:47,910 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:47:47,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47 WrapperNode [2019-12-07 17:47:47,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:47:47,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:47:47,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:47:47,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:47:47,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:47,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:47,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:47:47,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:47:47,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:47:47,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:47:47,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:47,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:48,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:48,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:48,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:48,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:48,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... [2019-12-07 17:47:48,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:47:48,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:47:48,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:47:48,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:47:48,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/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 [2019-12-07 17:47:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:47:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:47:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:47:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:47:48,987 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:47:48,987 INFO L287 CfgBuilder]: Removed 900 assume(true) statements. [2019-12-07 17:47:48,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:47:48 BoogieIcfgContainer [2019-12-07 17:47:48,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:47:48,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:47:48,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:47:48,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:47:48,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:47:47" (1/3) ... [2019-12-07 17:47:48,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471964a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:47:48, skipping insertion in model container [2019-12-07 17:47:48,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:47:47" (2/3) ... [2019-12-07 17:47:48,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471964a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:47:48, skipping insertion in model container [2019-12-07 17:47:48,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:47:48" (3/3) ... [2019-12-07 17:47:48,995 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2019-12-07 17:47:49,004 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:47:49,009 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:47:49,016 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:47:49,038 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:47:49,038 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:47:49,038 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:47:49,038 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:47:49,039 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:47:49,039 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:47:49,039 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:47:49,039 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:47:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2019-12-07 17:47:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 17:47:49,061 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:49,062 INFO L410 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] [2019-12-07 17:47:49,062 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:49,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:49,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2019-12-07 17:47:49,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:49,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594063978] [2019-12-07 17:47:49,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:49,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594063978] [2019-12-07 17:47:49,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:49,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:47:49,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209473608] [2019-12-07 17:47:49,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:47:49,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:49,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:47:49,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:47:49,258 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2019-12-07 17:47:49,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:49,301 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2019-12-07 17:47:49,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:47:49,303 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2019-12-07 17:47:49,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:49,314 INFO L225 Difference]: With dead ends: 927 [2019-12-07 17:47:49,314 INFO L226 Difference]: Without dead ends: 466 [2019-12-07 17:47:49,318 INFO L630 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 [2019-12-07 17:47:49,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2019-12-07 17:47:49,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2019-12-07 17:47:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-12-07 17:47:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2019-12-07 17:47:49,366 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2019-12-07 17:47:49,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:49,367 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2019-12-07 17:47:49,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:47:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2019-12-07 17:47:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 17:47:49,368 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:49,368 INFO L410 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] [2019-12-07 17:47:49,368 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:49,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:49,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2019-12-07 17:47:49,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:49,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752093199] [2019-12-07 17:47:49,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:49,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752093199] [2019-12-07 17:47:49,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:49,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:47:49,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423553243] [2019-12-07 17:47:49,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:47:49,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:49,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:47:49,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:47:49,441 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 3 states. [2019-12-07 17:47:49,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:49,456 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2019-12-07 17:47:49,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:47:49,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 17:47:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:49,458 INFO L225 Difference]: With dead ends: 466 [2019-12-07 17:47:49,458 INFO L226 Difference]: Without dead ends: 172 [2019-12-07 17:47:49,459 INFO L630 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 [2019-12-07 17:47:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-12-07 17:47:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2019-12-07 17:47:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 17:47:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2019-12-07 17:47:49,467 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2019-12-07 17:47:49,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:49,467 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2019-12-07 17:47:49,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:47:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2019-12-07 17:47:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 17:47:49,468 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:49,468 INFO L410 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] [2019-12-07 17:47:49,469 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:49,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:49,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2019-12-07 17:47:49,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:49,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735244628] [2019-12-07 17:47:49,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:49,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:49,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735244628] [2019-12-07 17:47:49,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:49,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 17:47:49,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913537582] [2019-12-07 17:47:49,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 17:47:49,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:49,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 17:47:49,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:47:49,561 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 7 states. [2019-12-07 17:47:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:49,718 INFO L93 Difference]: Finished difference Result 674 states and 1051 transitions. [2019-12-07 17:47:49,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:47:49,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2019-12-07 17:47:49,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:49,721 INFO L225 Difference]: With dead ends: 674 [2019-12-07 17:47:49,721 INFO L226 Difference]: Without dead ends: 515 [2019-12-07 17:47:49,722 INFO L630 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 [2019-12-07 17:47:49,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-12-07 17:47:49,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 193. [2019-12-07 17:47:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-07 17:47:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 296 transitions. [2019-12-07 17:47:49,734 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 296 transitions. Word has length 30 [2019-12-07 17:47:49,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:49,734 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 296 transitions. [2019-12-07 17:47:49,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 17:47:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 296 transitions. [2019-12-07 17:47:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 17:47:49,735 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:49,735 INFO L410 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] [2019-12-07 17:47:49,735 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:49,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:49,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2019-12-07 17:47:49,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:49,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496770548] [2019-12-07 17:47:49,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:49,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496770548] [2019-12-07 17:47:49,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:49,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:47:49,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098513274] [2019-12-07 17:47:49,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:47:49,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:49,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:47:49,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:47:49,772 INFO L87 Difference]: Start difference. First operand 193 states and 296 transitions. Second operand 3 states. [2019-12-07 17:47:49,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:49,833 INFO L93 Difference]: Finished difference Result 384 states and 597 transitions. [2019-12-07 17:47:49,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:47:49,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 17:47:49,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:49,835 INFO L225 Difference]: With dead ends: 384 [2019-12-07 17:47:49,835 INFO L226 Difference]: Without dead ends: 204 [2019-12-07 17:47:49,836 INFO L630 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 [2019-12-07 17:47:49,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-12-07 17:47:49,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2019-12-07 17:47:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-12-07 17:47:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2019-12-07 17:47:49,847 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 33 [2019-12-07 17:47:49,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:49,847 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2019-12-07 17:47:49,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:47:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2019-12-07 17:47:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 17:47:49,849 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:49,849 INFO L410 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] [2019-12-07 17:47:49,849 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:49,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:49,850 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2019-12-07 17:47:49,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:49,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882925075] [2019-12-07 17:47:49,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:49,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882925075] [2019-12-07 17:47:49,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:49,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 17:47:49,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267314258] [2019-12-07 17:47:49,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 17:47:49,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:49,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 17:47:49,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-12-07 17:47:49,922 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand 9 states. [2019-12-07 17:47:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:50,299 INFO L93 Difference]: Finished difference Result 1414 states and 2168 transitions. [2019-12-07 17:47:50,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 17:47:50,299 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2019-12-07 17:47:50,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:50,306 INFO L225 Difference]: With dead ends: 1414 [2019-12-07 17:47:50,306 INFO L226 Difference]: Without dead ends: 1225 [2019-12-07 17:47:50,307 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2019-12-07 17:47:50,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2019-12-07 17:47:50,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 491. [2019-12-07 17:47:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-12-07 17:47:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 730 transitions. [2019-12-07 17:47:50,338 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 730 transitions. Word has length 33 [2019-12-07 17:47:50,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:50,338 INFO L462 AbstractCegarLoop]: Abstraction has 491 states and 730 transitions. [2019-12-07 17:47:50,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 17:47:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 730 transitions. [2019-12-07 17:47:50,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 17:47:50,340 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:50,341 INFO L410 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] [2019-12-07 17:47:50,341 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:50,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:50,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1610564718, now seen corresponding path program 1 times [2019-12-07 17:47:50,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:50,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905334722] [2019-12-07 17:47:50,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 17:47:50,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905334722] [2019-12-07 17:47:50,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:50,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:47:50,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458205554] [2019-12-07 17:47:50,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:47:50,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:50,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:47:50,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:47:50,387 INFO L87 Difference]: Start difference. First operand 491 states and 730 transitions. Second operand 5 states. [2019-12-07 17:47:50,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:50,565 INFO L93 Difference]: Finished difference Result 1309 states and 1977 transitions. [2019-12-07 17:47:50,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:47:50,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2019-12-07 17:47:50,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:50,572 INFO L225 Difference]: With dead ends: 1309 [2019-12-07 17:47:50,573 INFO L226 Difference]: Without dead ends: 1307 [2019-12-07 17:47:50,573 INFO L630 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 [2019-12-07 17:47:50,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2019-12-07 17:47:50,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 491. [2019-12-07 17:47:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-12-07 17:47:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 728 transitions. [2019-12-07 17:47:50,602 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 728 transitions. Word has length 49 [2019-12-07 17:47:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:50,602 INFO L462 AbstractCegarLoop]: Abstraction has 491 states and 728 transitions. [2019-12-07 17:47:50,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:47:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 728 transitions. [2019-12-07 17:47:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-07 17:47:50,604 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:50,604 INFO L410 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] [2019-12-07 17:47:50,604 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:50,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:50,604 INFO L82 PathProgramCache]: Analyzing trace with hash 421650894, now seen corresponding path program 1 times [2019-12-07 17:47:50,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:50,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149541512] [2019-12-07 17:47:50,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 17:47:50,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149541512] [2019-12-07 17:47:50,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:50,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:47:50,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541543346] [2019-12-07 17:47:50,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:47:50,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:50,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:47:50,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:47:50,658 INFO L87 Difference]: Start difference. First operand 491 states and 728 transitions. Second operand 5 states. [2019-12-07 17:47:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:50,790 INFO L93 Difference]: Finished difference Result 1333 states and 1967 transitions. [2019-12-07 17:47:50,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:47:50,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-12-07 17:47:50,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:50,794 INFO L225 Difference]: With dead ends: 1333 [2019-12-07 17:47:50,795 INFO L226 Difference]: Without dead ends: 855 [2019-12-07 17:47:50,795 INFO L630 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 [2019-12-07 17:47:50,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2019-12-07 17:47:50,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 551. [2019-12-07 17:47:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2019-12-07 17:47:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 788 transitions. [2019-12-07 17:47:50,817 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 788 transitions. Word has length 59 [2019-12-07 17:47:50,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:50,817 INFO L462 AbstractCegarLoop]: Abstraction has 551 states and 788 transitions. [2019-12-07 17:47:50,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:47:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 788 transitions. [2019-12-07 17:47:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-07 17:47:50,818 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:50,818 INFO L410 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] [2019-12-07 17:47:50,819 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:50,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:50,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1807854288, now seen corresponding path program 1 times [2019-12-07 17:47:50,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:50,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76468970] [2019-12-07 17:47:50,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 17:47:50,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76468970] [2019-12-07 17:47:50,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:50,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 17:47:50,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939730876] [2019-12-07 17:47:50,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 17:47:50,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:50,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 17:47:50,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:47:50,873 INFO L87 Difference]: Start difference. First operand 551 states and 788 transitions. Second operand 7 states. [2019-12-07 17:47:51,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:51,053 INFO L93 Difference]: Finished difference Result 1290 states and 1845 transitions. [2019-12-07 17:47:51,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 17:47:51,053 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2019-12-07 17:47:51,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:51,057 INFO L225 Difference]: With dead ends: 1290 [2019-12-07 17:47:51,057 INFO L226 Difference]: Without dead ends: 752 [2019-12-07 17:47:51,058 INFO L630 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 [2019-12-07 17:47:51,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2019-12-07 17:47:51,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 464. [2019-12-07 17:47:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-12-07 17:47:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 644 transitions. [2019-12-07 17:47:51,085 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 644 transitions. Word has length 59 [2019-12-07 17:47:51,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:51,085 INFO L462 AbstractCegarLoop]: Abstraction has 464 states and 644 transitions. [2019-12-07 17:47:51,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 17:47:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 644 transitions. [2019-12-07 17:47:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 17:47:51,086 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:51,086 INFO L410 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] [2019-12-07 17:47:51,086 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:51,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:51,087 INFO L82 PathProgramCache]: Analyzing trace with hash 124429653, now seen corresponding path program 1 times [2019-12-07 17:47:51,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:51,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42419659] [2019-12-07 17:47:51,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:51,119 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42419659] [2019-12-07 17:47:51,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:51,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:47:51,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907701635] [2019-12-07 17:47:51,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:47:51,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:51,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:47:51,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:47:51,120 INFO L87 Difference]: Start difference. First operand 464 states and 644 transitions. Second operand 3 states. [2019-12-07 17:47:51,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:51,201 INFO L93 Difference]: Finished difference Result 1061 states and 1491 transitions. [2019-12-07 17:47:51,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:47:51,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-12-07 17:47:51,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:51,205 INFO L225 Difference]: With dead ends: 1061 [2019-12-07 17:47:51,205 INFO L226 Difference]: Without dead ends: 610 [2019-12-07 17:47:51,206 INFO L630 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 [2019-12-07 17:47:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2019-12-07 17:47:51,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2019-12-07 17:47:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-12-07 17:47:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 838 transitions. [2019-12-07 17:47:51,241 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 838 transitions. Word has length 60 [2019-12-07 17:47:51,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:51,241 INFO L462 AbstractCegarLoop]: Abstraction has 610 states and 838 transitions. [2019-12-07 17:47:51,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:47:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 838 transitions. [2019-12-07 17:47:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 17:47:51,243 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:51,243 INFO L410 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] [2019-12-07 17:47:51,243 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:51,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:51,243 INFO L82 PathProgramCache]: Analyzing trace with hash 417791151, now seen corresponding path program 1 times [2019-12-07 17:47:51,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:51,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033058798] [2019-12-07 17:47:51,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:51,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033058798] [2019-12-07 17:47:51,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77070099] [2019-12-07 17:47:51,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/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 [2019-12-07 17:47:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:51,393 INFO L264 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 17:47:51,398 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:47:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:51,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:47:51,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-12-07 17:47:51,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14706950] [2019-12-07 17:47:51,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 17:47:51,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:51,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:47:51,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:47:51,417 INFO L87 Difference]: Start difference. First operand 610 states and 838 transitions. Second operand 6 states. [2019-12-07 17:47:51,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:51,657 INFO L93 Difference]: Finished difference Result 1605 states and 2207 transitions. [2019-12-07 17:47:51,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:47:51,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-12-07 17:47:51,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:47:51,664 INFO L225 Difference]: With dead ends: 1605 [2019-12-07 17:47:51,664 INFO L226 Difference]: Without dead ends: 1132 [2019-12-07 17:47:51,665 INFO L630 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 [2019-12-07 17:47:51,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2019-12-07 17:47:51,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 662. [2019-12-07 17:47:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2019-12-07 17:47:51,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 893 transitions. [2019-12-07 17:47:51,720 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 893 transitions. Word has length 61 [2019-12-07 17:47:51,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:47:51,720 INFO L462 AbstractCegarLoop]: Abstraction has 662 states and 893 transitions. [2019-12-07 17:47:51,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 17:47:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 893 transitions. [2019-12-07 17:47:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-07 17:47:51,722 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:47:51,722 INFO L410 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] [2019-12-07 17:47:51,922 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:47:51,923 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:47:51,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:51,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1375374740, now seen corresponding path program 2 times [2019-12-07 17:47:51,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:51,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119486112] [2019-12-07 17:47:51,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:52,124 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:47:52,124 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:47:52,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:47:52 BoogieIcfgContainer [2019-12-07 17:47:52,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:47:52,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:47:52,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:47:52,255 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:47:52,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:47:48" (3/4) ... [2019-12-07 17:47:52,257 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:47:52,364 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4a2a4e65-4f82-4a11-af49-4ccfedb32039/bin/uautomizer/witness.graphml [2019-12-07 17:47:52,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:47:52,366 INFO L168 Benchmark]: Toolchain (without parser) took 4813.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -83.0 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:52,366 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:47:52,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:52,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:52,367 INFO L168 Benchmark]: Boogie Preprocessor took 70.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:52,367 INFO L168 Benchmark]: RCFGBuilder took 934.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 886.4 MB in the end (delta: 159.0 MB). Peak memory consumption was 159.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:52,367 INFO L168 Benchmark]: TraceAbstraction took 3265.14 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 886.4 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:47:52,367 INFO L168 Benchmark]: Witness Printer took 109.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:52,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 934.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 886.4 MB in the end (delta: 159.0 MB). Peak memory consumption was 159.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3265.14 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 886.4 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 109.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 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; VAL [__GUIDSL_ROOT_PRODUCTION=0, __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] [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=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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=0, __SELECTED_FEATURE_stopCommand=0, 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: 3.0s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3645 SDtfs, 7277 SDslu, 7615 SDs, 0 SdLazy, 841 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 2936 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 46867 SizeOfPredicates, 4 NumberOfNonLiveVariables, 480 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...