./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product47.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_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/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 c5a0b2bcaab730b804e6efb5bb851b66755fb542 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:20:14,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:20:14,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:20:14,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:20:14,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:20:14,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:20:14,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:20:14,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:20:14,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:20:14,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:20:14,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:20:14,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:20:14,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:20:14,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:20:14,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:20:14,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:20:14,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:20:14,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:20:14,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:20:14,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:20:14,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:20:14,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:20:14,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:20:14,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:20:14,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:20:14,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:20:14,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:20:14,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:20:14,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:20:14,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:20:14,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:20:14,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:20:14,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:20:14,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:20:14,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:20:14,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:20:14,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:20:14,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:20:14,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:20:14,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:20:14,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:20:14,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:20:14,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:20:14,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:20:14,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:20:14,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:20:14,474 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:20:14,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:20:14,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:20:14,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:20:14,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:20:14,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:20:14,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:20:14,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:20:14,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:20:14,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:20:14,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:20:14,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:20:14,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:20:14,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:20:14,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:20:14,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:20:14,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:20:14,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:20:14,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:20:14,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:20:14,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:20:14,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:20:14,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:20:14,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:20:14,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:20:14,478 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_0c761e18-750b-4a3a-87a5-950ef1a8a443/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 -> c5a0b2bcaab730b804e6efb5bb851b66755fb542 [2019-12-07 17:20:14,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:20:14,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:20:14,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:20:14,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:20:14,598 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:20:14,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2019-12-07 17:20:14,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/data/691a6aa4e/8625c2632d2d4362b7e7d770764f1ac4/FLAG743c00bdf [2019-12-07 17:20:15,050 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:20:15,050 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2019-12-07 17:20:15,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/data/691a6aa4e/8625c2632d2d4362b7e7d770764f1ac4/FLAG743c00bdf [2019-12-07 17:20:15,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/data/691a6aa4e/8625c2632d2d4362b7e7d770764f1ac4 [2019-12-07 17:20:15,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:20:15,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:20:15,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:20:15,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:20:15,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:20:15,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15, skipping insertion in model container [2019-12-07 17:20:15,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:20:15,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:20:15,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:20:15,349 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:20:15,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:20:15,435 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:20:15,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15 WrapperNode [2019-12-07 17:20:15,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:20:15,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:20:15,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:20:15,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:20:15,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:20:15,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:20:15,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:20:15,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:20:15,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... [2019-12-07 17:20:15,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:20:15,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:20:15,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:20:15,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:20:15,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/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 17:20:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:20:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:20:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:20:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:20:16,042 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:20:16,043 INFO L287 CfgBuilder]: Removed 210 assume(true) statements. [2019-12-07 17:20:16,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:16 BoogieIcfgContainer [2019-12-07 17:20:16,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:20:16,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:20:16,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:20:16,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:20:16,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:20:15" (1/3) ... [2019-12-07 17:20:16,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b92989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:20:16, skipping insertion in model container [2019-12-07 17:20:16,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:15" (2/3) ... [2019-12-07 17:20:16,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b92989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:20:16, skipping insertion in model container [2019-12-07 17:20:16,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:16" (3/3) ... [2019-12-07 17:20:16,049 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2019-12-07 17:20:16,055 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:20:16,060 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:20:16,068 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:20:16,084 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:20:16,084 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:20:16,084 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:20:16,085 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:20:16,085 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:20:16,085 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:20:16,085 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:20:16,085 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:20:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2019-12-07 17:20:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 17:20:16,102 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:16,103 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:20:16,103 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:16,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:16,107 INFO L82 PathProgramCache]: Analyzing trace with hash -373537608, now seen corresponding path program 1 times [2019-12-07 17:20:16,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:16,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564912158] [2019-12-07 17:20:16,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:16,261 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 17:20:16,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564912158] [2019-12-07 17:20:16,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:16,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:20:16,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739282926] [2019-12-07 17:20:16,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:20:16,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:16,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:20:16,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:20:16,276 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2019-12-07 17:20:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:16,299 INFO L93 Difference]: Finished difference Result 273 states and 406 transitions. [2019-12-07 17:20:16,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:20:16,300 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 17:20:16,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:16,308 INFO L225 Difference]: With dead ends: 273 [2019-12-07 17:20:16,308 INFO L226 Difference]: Without dead ends: 136 [2019-12-07 17:20:16,311 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 17:20:16,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-12-07 17:20:16,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-12-07 17:20:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-12-07 17:20:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 195 transitions. [2019-12-07 17:20:16,343 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 195 transitions. Word has length 19 [2019-12-07 17:20:16,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:16,343 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 195 transitions. [2019-12-07 17:20:16,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:20:16,343 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 195 transitions. [2019-12-07 17:20:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 17:20:16,344 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:16,344 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] [2019-12-07 17:20:16,345 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:16,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:16,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1432481945, now seen corresponding path program 1 times [2019-12-07 17:20:16,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:16,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235177151] [2019-12-07 17:20:16,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:16,403 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 17:20:16,404 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235177151] [2019-12-07 17:20:16,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:16,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:20:16,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846599418] [2019-12-07 17:20:16,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:20:16,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:16,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:20:16,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:16,406 INFO L87 Difference]: Start difference. First operand 136 states and 195 transitions. Second operand 3 states. [2019-12-07 17:20:16,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:16,419 INFO L93 Difference]: Finished difference Result 136 states and 195 transitions. [2019-12-07 17:20:16,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:20:16,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 17:20:16,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:16,420 INFO L225 Difference]: With dead ends: 136 [2019-12-07 17:20:16,420 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 17:20:16,421 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 17:20:16,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 17:20:16,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 17:20:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 17:20:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-12-07 17:20:16,426 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-12-07 17:20:16,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:16,427 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-12-07 17:20:16,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:20:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-12-07 17:20:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 17:20:16,428 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:16,428 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] [2019-12-07 17:20:16,428 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:16,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:16,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1277815295, now seen corresponding path program 1 times [2019-12-07 17:20:16,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:16,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020932562] [2019-12-07 17:20:16,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:16,481 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 17:20:16,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020932562] [2019-12-07 17:20:16,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:16,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:20:16,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457218884] [2019-12-07 17:20:16,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:20:16,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:16,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:20:16,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:16,483 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2019-12-07 17:20:16,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:16,498 INFO L93 Difference]: Finished difference Result 157 states and 229 transitions. [2019-12-07 17:20:16,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:20:16,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 17:20:16,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:16,500 INFO L225 Difference]: With dead ends: 157 [2019-12-07 17:20:16,500 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 17:20:16,501 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 17:20:16,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 17:20:16,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-12-07 17:20:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 17:20:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2019-12-07 17:20:16,512 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 26 [2019-12-07 17:20:16,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:16,513 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2019-12-07 17:20:16,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:20:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2019-12-07 17:20:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 17:20:16,514 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:16,514 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] [2019-12-07 17:20:16,515 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:16,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:16,515 INFO L82 PathProgramCache]: Analyzing trace with hash 120130499, now seen corresponding path program 1 times [2019-12-07 17:20:16,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:16,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370152480] [2019-12-07 17:20:16,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:16,554 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 17:20:16,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370152480] [2019-12-07 17:20:16,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:16,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:20:16,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517043951] [2019-12-07 17:20:16,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:20:16,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:16,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:20:16,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:16,555 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 3 states. [2019-12-07 17:20:16,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:16,585 INFO L93 Difference]: Finished difference Result 246 states and 363 transitions. [2019-12-07 17:20:16,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:20:16,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 17:20:16,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:16,586 INFO L225 Difference]: With dead ends: 246 [2019-12-07 17:20:16,586 INFO L226 Difference]: Without dead ends: 150 [2019-12-07 17:20:16,587 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 17:20:16,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-12-07 17:20:16,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-12-07 17:20:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-12-07 17:20:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 212 transitions. [2019-12-07 17:20:16,597 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 212 transitions. Word has length 28 [2019-12-07 17:20:16,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:16,597 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 212 transitions. [2019-12-07 17:20:16,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:20:16,598 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 212 transitions. [2019-12-07 17:20:16,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 17:20:16,599 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:16,599 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] [2019-12-07 17:20:16,599 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:16,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:16,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1546294710, now seen corresponding path program 1 times [2019-12-07 17:20:16,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:16,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318925528] [2019-12-07 17:20:16,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:16,645 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 17:20:16,646 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318925528] [2019-12-07 17:20:16,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:16,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:20:16,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818404239] [2019-12-07 17:20:16,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:20:16,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:16,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:20:16,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:20:16,647 INFO L87 Difference]: Start difference. First operand 148 states and 212 transitions. Second operand 5 states. [2019-12-07 17:20:16,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:16,757 INFO L93 Difference]: Finished difference Result 523 states and 749 transitions. [2019-12-07 17:20:16,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:20:16,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 17:20:16,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:16,760 INFO L225 Difference]: With dead ends: 523 [2019-12-07 17:20:16,760 INFO L226 Difference]: Without dead ends: 382 [2019-12-07 17:20:16,761 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 17:20:16,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-12-07 17:20:16,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 146. [2019-12-07 17:20:16,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-12-07 17:20:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 206 transitions. [2019-12-07 17:20:16,781 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 206 transitions. Word has length 29 [2019-12-07 17:20:16,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:16,781 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 206 transitions. [2019-12-07 17:20:16,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:20:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 206 transitions. [2019-12-07 17:20:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 17:20:16,783 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:16,783 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, 1, 1, 1, 1] [2019-12-07 17:20:16,784 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:16,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:16,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1771234378, now seen corresponding path program 1 times [2019-12-07 17:20:16,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:16,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144144278] [2019-12-07 17:20:16,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:16,835 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 17:20:16,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144144278] [2019-12-07 17:20:16,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:16,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:20:16,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643293600] [2019-12-07 17:20:16,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:20:16,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:16,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:20:16,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:20:16,837 INFO L87 Difference]: Start difference. First operand 146 states and 206 transitions. Second operand 5 states. [2019-12-07 17:20:16,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:16,900 INFO L93 Difference]: Finished difference Result 387 states and 541 transitions. [2019-12-07 17:20:16,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:20:16,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 17:20:16,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:16,903 INFO L225 Difference]: With dead ends: 387 [2019-12-07 17:20:16,903 INFO L226 Difference]: Without dead ends: 248 [2019-12-07 17:20:16,904 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 17:20:16,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-12-07 17:20:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 158. [2019-12-07 17:20:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 17:20:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 218 transitions. [2019-12-07 17:20:16,919 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 218 transitions. Word has length 37 [2019-12-07 17:20:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:16,920 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 218 transitions. [2019-12-07 17:20:16,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:20:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 218 transitions. [2019-12-07 17:20:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 17:20:16,921 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:16,921 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, 1, 1, 1, 1] [2019-12-07 17:20:16,922 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:16,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1512615668, now seen corresponding path program 1 times [2019-12-07 17:20:16,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:16,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325008839] [2019-12-07 17:20:16,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:16,968 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 17:20:16,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325008839] [2019-12-07 17:20:16,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:16,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:20:16,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738461080] [2019-12-07 17:20:16,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:20:16,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:16,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:20:16,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:20:16,971 INFO L87 Difference]: Start difference. First operand 158 states and 218 transitions. Second operand 4 states. [2019-12-07 17:20:17,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:17,021 INFO L93 Difference]: Finished difference Result 375 states and 514 transitions. [2019-12-07 17:20:17,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:20:17,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-12-07 17:20:17,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:17,024 INFO L225 Difference]: With dead ends: 375 [2019-12-07 17:20:17,024 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 17:20:17,024 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:20:17,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 17:20:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 166. [2019-12-07 17:20:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-12-07 17:20:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 226 transitions. [2019-12-07 17:20:17,038 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 226 transitions. Word has length 37 [2019-12-07 17:20:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:17,039 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 226 transitions. [2019-12-07 17:20:17,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:20:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2019-12-07 17:20:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 17:20:17,040 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:17,040 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, 1, 1, 1, 1] [2019-12-07 17:20:17,041 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:17,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:17,041 INFO L82 PathProgramCache]: Analyzing trace with hash 491547314, now seen corresponding path program 1 times [2019-12-07 17:20:17,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:17,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692766096] [2019-12-07 17:20:17,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:17,089 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 17:20:17,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692766096] [2019-12-07 17:20:17,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:17,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:20:17,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017661206] [2019-12-07 17:20:17,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:20:17,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:17,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:20:17,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:17,091 INFO L87 Difference]: Start difference. First operand 166 states and 226 transitions. Second operand 3 states. [2019-12-07 17:20:17,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:17,115 INFO L93 Difference]: Finished difference Result 383 states and 520 transitions. [2019-12-07 17:20:17,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:20:17,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-12-07 17:20:17,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:17,117 INFO L225 Difference]: With dead ends: 383 [2019-12-07 17:20:17,118 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 17:20:17,118 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 17:20:17,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 17:20:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2019-12-07 17:20:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-12-07 17:20:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 297 transitions. [2019-12-07 17:20:17,134 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 297 transitions. Word has length 37 [2019-12-07 17:20:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:17,135 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 297 transitions. [2019-12-07 17:20:17,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:20:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 297 transitions. [2019-12-07 17:20:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 17:20:17,136 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:17,136 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, 1, 1, 1, 1, 1] [2019-12-07 17:20:17,136 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:17,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:17,136 INFO L82 PathProgramCache]: Analyzing trace with hash 2027345266, now seen corresponding path program 1 times [2019-12-07 17:20:17,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:17,137 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579016805] [2019-12-07 17:20:17,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:17,214 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 17:20:17,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579016805] [2019-12-07 17:20:17,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:17,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 17:20:17,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581794556] [2019-12-07 17:20:17,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 17:20:17,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:17,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:20:17,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:20:17,216 INFO L87 Difference]: Start difference. First operand 224 states and 297 transitions. Second operand 6 states. [2019-12-07 17:20:17,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:17,384 INFO L93 Difference]: Finished difference Result 869 states and 1173 transitions. [2019-12-07 17:20:17,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:20:17,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-12-07 17:20:17,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:17,387 INFO L225 Difference]: With dead ends: 869 [2019-12-07 17:20:17,388 INFO L226 Difference]: Without dead ends: 710 [2019-12-07 17:20:17,388 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 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 17:20:17,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2019-12-07 17:20:17,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 317. [2019-12-07 17:20:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-12-07 17:20:17,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 414 transitions. [2019-12-07 17:20:17,409 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 414 transitions. Word has length 38 [2019-12-07 17:20:17,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:17,409 INFO L462 AbstractCegarLoop]: Abstraction has 317 states and 414 transitions. [2019-12-07 17:20:17,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 17:20:17,409 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 414 transitions. [2019-12-07 17:20:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-07 17:20:17,410 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:17,411 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:20:17,411 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:17,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:17,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1633592198, now seen corresponding path program 1 times [2019-12-07 17:20:17,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:17,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946814420] [2019-12-07 17:20:17,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 17:20:17,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946814420] [2019-12-07 17:20:17,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:17,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:20:17,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459560083] [2019-12-07 17:20:17,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:20:17,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:17,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:20:17,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:17,440 INFO L87 Difference]: Start difference. First operand 317 states and 414 transitions. Second operand 3 states. [2019-12-07 17:20:17,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:17,479 INFO L93 Difference]: Finished difference Result 391 states and 510 transitions. [2019-12-07 17:20:17,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:20:17,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-12-07 17:20:17,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:17,480 INFO L225 Difference]: With dead ends: 391 [2019-12-07 17:20:17,481 INFO L226 Difference]: Without dead ends: 159 [2019-12-07 17:20:17,481 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 17:20:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-12-07 17:20:17,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-12-07 17:20:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-12-07 17:20:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 199 transitions. [2019-12-07 17:20:17,489 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 199 transitions. Word has length 57 [2019-12-07 17:20:17,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:17,489 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 199 transitions. [2019-12-07 17:20:17,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:20:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 199 transitions. [2019-12-07 17:20:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-07 17:20:17,490 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:17,491 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:20:17,491 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:17,491 INFO L82 PathProgramCache]: Analyzing trace with hash 80874501, now seen corresponding path program 1 times [2019-12-07 17:20:17,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:17,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767901948] [2019-12-07 17:20:17,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:20:17,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767901948] [2019-12-07 17:20:17,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454247782] [2019-12-07 17:20:17,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/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 17:20:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:17,649 INFO L264 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:20:17,654 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:20:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:20:17,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:20:17,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-12-07 17:20:17,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513687745] [2019-12-07 17:20:17,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 17:20:17,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:17,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 17:20:17,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 17:20:17,691 INFO L87 Difference]: Start difference. First operand 159 states and 199 transitions. Second operand 9 states. [2019-12-07 17:20:17,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:17,834 INFO L93 Difference]: Finished difference Result 317 states and 409 transitions. [2019-12-07 17:20:17,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 17:20:17,834 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-12-07 17:20:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:17,834 INFO L225 Difference]: With dead ends: 317 [2019-12-07 17:20:17,835 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:20:17,835 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-12-07 17:20:17,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:20:17,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:20:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:20:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:20:17,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-12-07 17:20:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:17,836 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:20:17,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 17:20:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:20:17,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:20:18,036 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:20:18,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:20:18,686 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2019-12-07 17:20:18,842 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-12-07 17:20:19,021 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-12-07 17:20:19,331 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-12-07 17:20:19,486 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-12-07 17:20:19,758 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 27 [2019-12-07 17:20:19,893 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 17:20:19,893 INFO L246 CegarLoopResult]: For program point L103(lines 103 120) no Hoare annotation was computed. [2019-12-07 17:20:19,893 INFO L246 CegarLoopResult]: For program point L103-1(lines 103 120) no Hoare annotation was computed. [2019-12-07 17:20:19,893 INFO L246 CegarLoopResult]: For program point L103-2(lines 103 120) no Hoare annotation was computed. [2019-12-07 17:20:19,893 INFO L246 CegarLoopResult]: For program point L103-3(lines 103 120) no Hoare annotation was computed. [2019-12-07 17:20:19,894 INFO L246 CegarLoopResult]: For program point L103-4(lines 103 120) no Hoare annotation was computed. [2019-12-07 17:20:19,894 INFO L246 CegarLoopResult]: For program point L103-5(lines 103 120) no Hoare annotation was computed. [2019-12-07 17:20:19,894 INFO L242 CegarLoopResult]: At program point L863(lines 71 77) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-12-07 17:20:19,894 INFO L242 CegarLoopResult]: At program point L863-1(lines 71 77) the Hoare annotation is: false [2019-12-07 17:20:19,894 INFO L242 CegarLoopResult]: At program point L863-2(lines 71 77) the Hoare annotation is: false [2019-12-07 17:20:19,894 INFO L242 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: false [2019-12-07 17:20:19,894 INFO L242 CegarLoopResult]: At program point L71(lines 67 89) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-12-07 17:20:19,894 INFO L242 CegarLoopResult]: At program point L71-1(lines 67 89) the Hoare annotation is: false [2019-12-07 17:20:19,894 INFO L242 CegarLoopResult]: At program point L71-2(lines 67 89) the Hoare annotation is: false [2019-12-07 17:20:19,894 INFO L242 CegarLoopResult]: At program point L403(lines 399 405) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:20:19,895 INFO L242 CegarLoopResult]: At program point L833(lines 1 988) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L107-1(lines 107 115) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L107-2(lines 107 115) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L107-3(lines 107 115) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L107-4(lines 107 115) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L107-5(lines 107 115) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L242 CegarLoopResult]: At program point L307-1(lines 307 313) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3))) [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L902(lines 902 906) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L902-3(lines 902 906) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L902-6(lines 902 906) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L249 CegarLoopResult]: At program point L440(lines 421 443) the Hoare annotation is: true [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 17:20:19,895 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 17:20:19,896 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L78(lines 78 84) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3))) [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L78-2(lines 78 84) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L971(lines 966 974) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L971-1(lines 966 974) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L971-2(lines 966 974) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L939-1(lines 934 942) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L939-2(lines 934 942) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L939-3(lines 934 942) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L939-4(lines 934 942) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L939-5(lines 934 942) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L939-6(lines 934 942) the Hoare annotation is: false [2019-12-07 17:20:19,896 INFO L242 CegarLoopResult]: At program point L939-7(lines 934 942) the Hoare annotation is: false [2019-12-07 17:20:19,897 INFO L242 CegarLoopResult]: At program point L939-8(lines 934 942) the Hoare annotation is: false [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L874(lines 874 891) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L242 CegarLoopResult]: At program point L841(lines 836 844) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:20:19,897 INFO L242 CegarLoopResult]: At program point L874-1(lines 1 988) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L874-2(lines 874 891) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L242 CegarLoopResult]: At program point L874-3(lines 1 988) the Hoare annotation is: false [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L874-4(lines 874 891) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L242 CegarLoopResult]: At program point L874-5(lines 1 988) the Hoare annotation is: false [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,897 INFO L246 CegarLoopResult]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L878(lines 878 888) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L878-2(lines 878 888) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L878-4(lines 878 888) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L879(lines 879 885) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L879-2(lines 879 885) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L879-4(lines 879 885) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L979-1(lines 979 985) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L979-2(lines 979 985) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L979-3(lines 979 985) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L979-4(lines 979 985) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L979-5(lines 979 985) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L246 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-12-07 17:20:19,898 INFO L242 CegarLoopResult]: At program point L254(lines 239 257) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2 .cse3))) [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L254-3(lines 239 257) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L246 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2019-12-07 17:20:19,899 INFO L246 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L355-2(lines 355 369) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L190(lines 183 193) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L190-1(lines 183 193) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L190-2(lines 183 193) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L190-3(lines 183 193) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L190-4(lines 183 193) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L190-5(lines 183 193) the Hoare annotation is: false [2019-12-07 17:20:19,899 INFO L242 CegarLoopResult]: At program point L190-6(lines 183 193) the Hoare annotation is: false [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L190-7(lines 183 193) the Hoare annotation is: false [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L190-8(lines 183 193) the Hoare annotation is: false [2019-12-07 17:20:19,900 INFO L246 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2019-12-07 17:20:19,900 INFO L246 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L323-1(lines 323 329) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3))) [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L984(lines 975 988) the Hoare annotation is: false [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L984-1(lines 975 988) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L984-2(lines 975 988) the Hoare annotation is: false [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L984-3(lines 975 988) the Hoare annotation is: false [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L984-4(lines 975 988) the Hoare annotation is: false [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L984-5(lines 975 988) the Hoare annotation is: false [2019-12-07 17:20:19,900 INFO L242 CegarLoopResult]: At program point L853(lines 848 855) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:20:19,900 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:20:19,900 INFO L246 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2019-12-07 17:20:19,900 INFO L246 CegarLoopResult]: For program point L359-1(lines 359 363) no Hoare annotation was computed. [2019-12-07 17:20:19,900 INFO L246 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-12-07 17:20:19,900 INFO L246 CegarLoopResult]: For program point L129-1(lines 129 146) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L129-2(lines 129 146) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L262(lines 262 268) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L242 CegarLoopResult]: At program point L262-1(lines 262 268) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L242 CegarLoopResult]: At program point L297-1(lines 297 303) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3))) [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L165-6(lines 165 171) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L165-8(lines 165 171) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L165-10(lines 165 171) no Hoare annotation was computed. [2019-12-07 17:20:19,901 INFO L242 CegarLoopResult]: At program point L199(lines 194 202) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse1 .cse6 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse1 .cse6 .cse3))) [2019-12-07 17:20:19,901 INFO L242 CegarLoopResult]: At program point L199-1(lines 194 202) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-12-07 17:20:19,901 INFO L246 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2019-12-07 17:20:19,902 INFO L242 CegarLoopResult]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2019-12-07 17:20:19,902 INFO L246 CegarLoopResult]: For program point L133-1(lines 133 141) no Hoare annotation was computed. [2019-12-07 17:20:19,902 INFO L242 CegarLoopResult]: At program point L199-3(lines 194 202) the Hoare annotation is: false [2019-12-07 17:20:19,902 INFO L242 CegarLoopResult]: At program point L199-4(lines 194 202) the Hoare annotation is: false [2019-12-07 17:20:19,902 INFO L246 CegarLoopResult]: For program point L133-2(lines 133 141) no Hoare annotation was computed. [2019-12-07 17:20:19,902 INFO L242 CegarLoopResult]: At program point L199-5(lines 194 202) the Hoare annotation is: false [2019-12-07 17:20:19,902 INFO L246 CegarLoopResult]: For program point L926(lines 926 930) no Hoare annotation was computed. [2019-12-07 17:20:19,902 INFO L246 CegarLoopResult]: For program point L431(lines 431 438) no Hoare annotation was computed. [2019-12-07 17:20:19,902 INFO L249 CegarLoopResult]: At program point L431-1(lines 431 438) the Hoare annotation is: true [2019-12-07 17:20:19,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:20:19 BoogieIcfgContainer [2019-12-07 17:20:19,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:20:19,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:20:19,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:20:19,930 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:20:19,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:16" (3/4) ... [2019-12-07 17:20:19,934 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:20:19,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 17:20:19,955 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 17:20:19,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 17:20:19,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 17:20:19,959 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:20:19,960 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:20:19,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:20:19,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((((((1 == systemActive && 1 <= pumpRunning) && tmp <= 2) && 2 <= tmp) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 17:20:19,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-12-07 17:20:19,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-12-07 17:20:19,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-12-07 17:20:19,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 17:20:19,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 17:20:19,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 17:20:19,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-12-07 17:20:19,986 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 17:20:19,986 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-12-07 17:20:19,987 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-12-07 17:20:19,987 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 17:20:19,987 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 17:20:19,988 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 17:20:20,049 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0c761e18-750b-4a3a-87a5-950ef1a8a443/bin/uautomizer/witness.graphml [2019-12-07 17:20:20,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:20:20,050 INFO L168 Benchmark]: Toolchain (without parser) took 4979.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -92.9 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:20,050 INFO L168 Benchmark]: CDTParser took 0.19 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 17:20:20,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:20,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.29 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:20,051 INFO L168 Benchmark]: Boogie Preprocessor took 36.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:20,051 INFO L168 Benchmark]: RCFGBuilder took 511.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.5 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:20,051 INFO L168 Benchmark]: TraceAbstraction took 3885.24 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 990.5 MB in the beginning and 1.1 GB in the end (delta: -62.2 MB). Peak memory consumption was 232.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:20,051 INFO L168 Benchmark]: Witness Printer took 119.13 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:20,053 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 365.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.29 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 511.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.5 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3885.24 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 990.5 MB in the beginning and 1.1 GB in the end (delta: -62.2 MB). Peak memory consumption was 232.5 MB. Max. memory is 11.5 GB. * Witness Printer took 119.13 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: 15.1 MB). Peak memory consumption was 15.1 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: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((((((1 == systemActive && 1 <= pumpRunning) && tmp <= 2) && 2 <= tmp) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 1263 SDtfs, 1182 SDslu, 1631 SDs, 0 SdLazy, 256 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 783 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 181 NumberOfFragments, 842 HoareAnnotationTreeSize, 63 FomulaSimplifications, 44318 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 9960 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 37066 SizeOfPredicates, 4 NumberOfNonLiveVariables, 432 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 29/47 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...