./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/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 7d22266300e6cd9ced6ad4763303b2f8762682aa ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:20,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:20,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:20,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:20,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:20,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:20,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:20,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:20,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:20,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:20,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:20,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:20,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:20,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:20,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:20,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:20,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:20,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:20,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:20,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:20,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:20,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:20,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:20,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:20,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:20,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:20,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:20,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:20,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:20,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:20,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:20,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:20,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:20,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:20,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:20,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:20,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:20,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:20,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:20,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:20,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:20,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:20,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:20,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:20,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:20,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:20,306 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:20,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:20,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:20,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:20,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:20,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:20,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:20,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:20,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:20,307 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:20,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:20,308 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:20,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:20,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:20,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:20,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:20,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:20,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:20,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:20,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:20,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:20,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:20,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:20,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:20,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2019-10-22 09:02:20,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:20,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:20,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:20,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:20,346 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:20,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-10-22 09:02:20,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/data/c2fa33559/e4fdcf74ec9444db92502bcb712e3544/FLAG4d02cb8da [2019-10-22 09:02:20,819 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:20,820 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-10-22 09:02:20,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/data/c2fa33559/e4fdcf74ec9444db92502bcb712e3544/FLAG4d02cb8da [2019-10-22 09:02:21,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/data/c2fa33559/e4fdcf74ec9444db92502bcb712e3544 [2019-10-22 09:02:21,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:21,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:21,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:21,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:21,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:21,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d9c2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21, skipping insertion in model container [2019-10-22 09:02:21,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,194 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:21,246 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:21,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:21,616 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:21,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:21,704 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:21,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21 WrapperNode [2019-10-22 09:02:21,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:21,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:21,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:21,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:21,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:21,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:21,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:21,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:21,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:21,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:21,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:21,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:21,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:22,475 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:22,475 INFO L284 CfgBuilder]: Removed 70 assume(true) statements. [2019-10-22 09:02:22,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:22 BoogieIcfgContainer [2019-10-22 09:02:22,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:22,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:22,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:22,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:22,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:21" (1/3) ... [2019-10-22 09:02:22,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7097b7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:22, skipping insertion in model container [2019-10-22 09:02:22,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (2/3) ... [2019-10-22 09:02:22,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7097b7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:22, skipping insertion in model container [2019-10-22 09:02:22,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:22" (3/3) ... [2019-10-22 09:02:22,485 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-10-22 09:02:22,494 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:22,501 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:02:22,514 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:02:22,547 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:22,547 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:22,547 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:22,547 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:22,547 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:22,548 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:22,548 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:22,548 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:22,561 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-10-22 09:02:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:02:22,566 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:22,566 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:22,568 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:22,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:22,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-10-22 09:02:22,577 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:22,578 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172598878] [2019-10-22 09:02:22,578 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:22,578 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:22,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:22,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172598878] [2019-10-22 09:02:22,790 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:22,790 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:22,790 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585585475] [2019-10-22 09:02:22,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:22,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:22,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:22,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:22,809 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-10-22 09:02:22,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:22,828 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-10-22 09:02:22,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:22,829 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 09:02:22,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:22,836 INFO L225 Difference]: With dead ends: 112 [2019-10-22 09:02:22,836 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 09:02:22,839 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:22,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 09:02:22,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 09:02:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 09:02:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-10-22 09:02:22,868 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-10-22 09:02:22,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:22,869 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-10-22 09:02:22,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-10-22 09:02:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:02:22,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:22,870 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:22,870 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:22,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:22,871 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-10-22 09:02:22,871 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:22,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343451801] [2019-10-22 09:02:22,871 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:22,871 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:22,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:22,950 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343451801] [2019-10-22 09:02:22,950 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:22,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:22,951 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617022443] [2019-10-22 09:02:22,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:22,952 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:22,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:22,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:22,953 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-10-22 09:02:22,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:22,961 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-10-22 09:02:22,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:22,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 09:02:22,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:22,962 INFO L225 Difference]: With dead ends: 55 [2019-10-22 09:02:22,962 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 09:02:22,963 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:22,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 09:02:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-22 09:02:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 09:02:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-10-22 09:02:22,967 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-10-22 09:02:22,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:22,967 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-10-22 09:02:22,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-10-22 09:02:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:02:22,968 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:22,968 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:22,968 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:22,969 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-10-22 09:02:22,969 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:22,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740851898] [2019-10-22 09:02:22,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:22,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:22,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:23,035 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740851898] [2019-10-22 09:02:23,035 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:23,036 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:23,036 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776943615] [2019-10-22 09:02:23,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:23,036 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:23,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:23,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:23,037 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2019-10-22 09:02:23,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:23,051 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2019-10-22 09:02:23,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:23,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 09:02:23,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:23,053 INFO L225 Difference]: With dead ends: 75 [2019-10-22 09:02:23,054 INFO L226 Difference]: Without dead ends: 52 [2019-10-22 09:02:23,054 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:23,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-10-22 09:02:23,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2019-10-22 09:02:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-22 09:02:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-10-22 09:02:23,062 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-10-22 09:02:23,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:23,062 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-10-22 09:02:23,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-10-22 09:02:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:02:23,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:23,063 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:23,063 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:23,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:23,064 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-10-22 09:02:23,064 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:23,064 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929795594] [2019-10-22 09:02:23,064 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:23,064 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:23,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:23,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929795594] [2019-10-22 09:02:23,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:23,137 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:23,137 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290390413] [2019-10-22 09:02:23,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:23,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:23,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:23,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:23,138 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-10-22 09:02:23,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:23,278 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2019-10-22 09:02:23,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:23,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 09:02:23,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:23,282 INFO L225 Difference]: With dead ends: 169 [2019-10-22 09:02:23,283 INFO L226 Difference]: Without dead ends: 127 [2019-10-22 09:02:23,283 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:23,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-22 09:02:23,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-10-22 09:02:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-22 09:02:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2019-10-22 09:02:23,301 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2019-10-22 09:02:23,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:23,301 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2019-10-22 09:02:23,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:23,301 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2019-10-22 09:02:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:02:23,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:23,302 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:23,302 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:23,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:23,302 INFO L82 PathProgramCache]: Analyzing trace with hash -170450738, now seen corresponding path program 1 times [2019-10-22 09:02:23,303 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:23,303 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273571874] [2019-10-22 09:02:23,303 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:23,306 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:23,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:23,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273571874] [2019-10-22 09:02:23,419 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:23,419 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:23,419 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842253015] [2019-10-22 09:02:23,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:23,419 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:23,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:23,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:23,420 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2019-10-22 09:02:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:23,497 INFO L93 Difference]: Finished difference Result 204 states and 301 transitions. [2019-10-22 09:02:23,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:23,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 09:02:23,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:23,499 INFO L225 Difference]: With dead ends: 204 [2019-10-22 09:02:23,499 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:23,500 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:23,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:23,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:23,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-10-22 09:02:23,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:23,501 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:23,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:23,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:23,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:23,698 INFO L439 ceAbstractionStarter]: At program point L547-2(lines 547 553) the Hoare annotation is: false [2019-10-22 09:02:23,698 INFO L439 ceAbstractionStarter]: At program point L448(lines 443 451) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:23,698 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-22 09:02:23,698 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:23,698 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:23,698 INFO L439 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: false [2019-10-22 09:02:23,699 INFO L439 ceAbstractionStarter]: At program point L731(lines 726 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,699 INFO L439 ceAbstractionStarter]: At program point L731-1(lines 726 734) the Hoare annotation is: false [2019-10-22 09:02:23,699 INFO L439 ceAbstractionStarter]: At program point L731-2(lines 726 734) the Hoare annotation is: false [2019-10-22 09:02:23,699 INFO L439 ceAbstractionStarter]: At program point L599(lines 594 602) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,699 INFO L439 ceAbstractionStarter]: At program point L599-1(lines 594 602) the Hoare annotation is: false [2019-10-22 09:02:23,699 INFO L439 ceAbstractionStarter]: At program point L599-2(lines 594 602) the Hoare annotation is: false [2019-10-22 09:02:23,700 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2019-10-22 09:02:23,700 INFO L443 ceAbstractionStarter]: For program point L748-2(lines 748 754) no Hoare annotation was computed. [2019-10-22 09:02:23,700 INFO L443 ceAbstractionStarter]: For program point L748-4(lines 748 754) no Hoare annotation was computed. [2019-10-22 09:02:23,700 INFO L443 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2019-10-22 09:02:23,700 INFO L443 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2019-10-22 09:02:23,700 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:23,700 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:23,701 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-10-22 09:02:23,701 INFO L439 ceAbstractionStarter]: At program point L504-1(lines 540 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,701 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 690) no Hoare annotation was computed. [2019-10-22 09:02:23,701 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-10-22 09:02:23,701 INFO L439 ceAbstractionStarter]: At program point L488-1(lines 488 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,701 INFO L439 ceAbstractionStarter]: At program point L440(lines 1 856) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:23,702 INFO L446 ceAbstractionStarter]: At program point L853(lines 834 856) the Hoare annotation is: true [2019-10-22 09:02:23,702 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 09:02:23,702 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 09:02:23,702 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 09:02:23,702 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:23,702 INFO L439 ceAbstractionStarter]: At program point L540(lines 539 558) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,702 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2019-10-22 09:02:23,703 INFO L439 ceAbstractionStarter]: At program point L540-2(lines 539 558) the Hoare annotation is: false [2019-10-22 09:02:23,703 INFO L439 ceAbstractionStarter]: At program point L540-3(lines 539 558) the Hoare annotation is: false [2019-10-22 09:02:23,703 INFO L439 ceAbstractionStarter]: At program point L821(lines 817 823) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:23,704 INFO L439 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: false [2019-10-22 09:02:23,704 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 678) no Hoare annotation was computed. [2019-10-22 09:02:23,704 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-22 09:02:23,704 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:02:23,704 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-22 09:02:23,705 INFO L439 ceAbstractionStarter]: At program point L643-1(lines 643 649) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,705 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:23,705 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-10-22 09:02:23,705 INFO L439 ceAbstractionStarter]: At program point L478-1(lines 478 484) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,705 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-22 09:02:23,705 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2019-10-22 09:02:23,705 INFO L443 ceAbstractionStarter]: For program point L777-1(lines 540 546) no Hoare annotation was computed. [2019-10-22 09:02:23,705 INFO L439 ceAbstractionStarter]: At program point L744-1(lines 1 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,706 INFO L443 ceAbstractionStarter]: For program point L744-2(lines 744 757) no Hoare annotation was computed. [2019-10-22 09:02:23,706 INFO L439 ceAbstractionStarter]: At program point L744-3(lines 1 856) the Hoare annotation is: false [2019-10-22 09:02:23,706 INFO L443 ceAbstractionStarter]: For program point L744-4(lines 744 757) no Hoare annotation was computed. [2019-10-22 09:02:23,706 INFO L439 ceAbstractionStarter]: At program point L744-5(lines 1 856) the Hoare annotation is: false [2019-10-22 09:02:23,706 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2019-10-22 09:02:23,707 INFO L443 ceAbstractionStarter]: For program point L662-3(lines 662 666) no Hoare annotation was computed. [2019-10-22 09:02:23,707 INFO L443 ceAbstractionStarter]: For program point L662-6(lines 662 666) no Hoare annotation was computed. [2019-10-22 09:02:23,707 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2019-10-22 09:02:23,707 INFO L446 ceAbstractionStarter]: At program point L844-1(lines 844 851) the Hoare annotation is: true [2019-10-22 09:02:23,707 INFO L439 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:23,708 INFO L439 ceAbstractionStarter]: At program point L547-1(lines 547 553) the Hoare annotation is: false [2019-10-22 09:02:23,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:23 BoogieIcfgContainer [2019-10-22 09:02:23,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:23,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:23,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:23,735 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:23,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:22" (3/4) ... [2019-10-22 09:02:23,739 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:23,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:02:23,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:02:23,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:02:23,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:23,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:23,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:02:23,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:23,837 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_931d79eb-24d2-4348-8e95-5ec3406ce716/bin/uautomizer/witness.graphml [2019-10-22 09:02:23,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:23,842 INFO L168 Benchmark]: Toolchain (without parser) took 2659.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 944.4 MB in the beginning and 907.6 MB in the end (delta: 36.9 MB). Peak memory consumption was 142.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,843 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:23,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.24 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,844 INFO L168 Benchmark]: Boogie Preprocessor took 24.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:23,844 INFO L168 Benchmark]: RCFGBuilder took 695.17 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,844 INFO L168 Benchmark]: TraceAbstraction took 1257.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 914.5 MB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,845 INFO L168 Benchmark]: Witness Printer took 103.14 ms. Allocated memory is still 1.1 GB. Free memory was 914.5 MB in the beginning and 907.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 525.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.24 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 695.17 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1257.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 914.5 MB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. * Witness Printer took 103.14 ms. Allocated memory is still 1.1 GB. Free memory was 914.5 MB in the beginning and 907.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 268 SDtfs, 244 SDslu, 231 SDs, 0 SdLazy, 52 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...