./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a022389f82d082e59911b8894f15e7c26d2fb42a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:05:09,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:09,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:09,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:09,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:09,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:09,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:09,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:09,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:09,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:09,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:09,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:09,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:09,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:09,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:09,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:09,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:09,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:09,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:09,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:09,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:09,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:09,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:09,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:09,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:09,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:09,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:09,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:09,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:09,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:09,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:09,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:09,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:09,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:09,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:09,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:09,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:09,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:09,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:09,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:09,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:09,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:09,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:09,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:09,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:09,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:09,760 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:09,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:09,760 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:09,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:09,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:09,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:09,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:09,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:09,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:09,761 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:09,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:09,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:09,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:09,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:09,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:09,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:09,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:09,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:09,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:09,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:09,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:09,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:09,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:09,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:09,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:09,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a022389f82d082e59911b8894f15e7c26d2fb42a [2020-10-25 23:05:10,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:10,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:10,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:10,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:10,275 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:10,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2020-10-25 23:05:10,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dbf45e35/1c74c984fdd8411b99d328cbf6c73724/FLAG200bc3649 [2020-10-25 23:05:11,214 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:11,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2020-10-25 23:05:11,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dbf45e35/1c74c984fdd8411b99d328cbf6c73724/FLAG200bc3649 [2020-10-25 23:05:11,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dbf45e35/1c74c984fdd8411b99d328cbf6c73724 [2020-10-25 23:05:11,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:11,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:11,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:11,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:11,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:11,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:11" (1/1) ... [2020-10-25 23:05:11,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403f1857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:11, skipping insertion in model container [2020-10-25 23:05:11,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:11" (1/1) ... [2020-10-25 23:05:11,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:11,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:11,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:11,953 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:12,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:12,106 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:12,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12 WrapperNode [2020-10-25 23:05:12,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:12,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:12,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:12,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:12,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:12,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:12,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:12,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:12,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... [2020-10-25 23:05:12,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:12,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:12,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:12,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:12,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 23:05:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:13,430 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:13,431 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-10-25 23:05:13,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:13 BoogieIcfgContainer [2020-10-25 23:05:13,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:13,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:13,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:13,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:13,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:11" (1/3) ... [2020-10-25 23:05:13,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df26170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:13, skipping insertion in model container [2020-10-25 23:05:13,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:12" (2/3) ... [2020-10-25 23:05:13,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df26170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:13, skipping insertion in model container [2020-10-25 23:05:13,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:13" (3/3) ... [2020-10-25 23:05:13,443 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-10-25 23:05:13,455 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:13,461 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:13,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:13,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:13,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:13,499 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:13,499 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:13,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:13,499 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:13,500 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:13,500 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-10-25 23:05:13,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:13,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:13,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:13,523 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:13,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:13,529 INFO L82 PathProgramCache]: Analyzing trace with hash 783740324, now seen corresponding path program 1 times [2020-10-25 23:05:13,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:13,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042031309] [2020-10-25 23:05:13,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:13,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042031309] [2020-10-25 23:05:13,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:13,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:13,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188953010] [2020-10-25 23:05:13,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:13,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:13,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:13,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:13,896 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2020-10-25 23:05:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:13,923 INFO L93 Difference]: Finished difference Result 118 states and 177 transitions. [2020-10-25 23:05:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:13,925 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:13,937 INFO L225 Difference]: With dead ends: 118 [2020-10-25 23:05:13,937 INFO L226 Difference]: Without dead ends: 57 [2020-10-25 23:05:13,941 INFO L677 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 [2020-10-25 23:05:13,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-25 23:05:13,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-25 23:05:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-25 23:05:13,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-10-25 23:05:13,990 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-10-25 23:05:13,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:13,990 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-10-25 23:05:13,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-10-25 23:05:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:13,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:13,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:13,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:13,993 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:13,994 INFO L82 PathProgramCache]: Analyzing trace with hash 564904355, now seen corresponding path program 1 times [2020-10-25 23:05:13,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:13,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717965379] [2020-10-25 23:05:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:14,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717965379] [2020-10-25 23:05:14,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:14,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:14,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920344787] [2020-10-25 23:05:14,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:14,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:14,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:14,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:14,162 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2020-10-25 23:05:14,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:14,178 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-10-25 23:05:14,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:14,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:14,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:14,180 INFO L225 Difference]: With dead ends: 57 [2020-10-25 23:05:14,180 INFO L226 Difference]: Without dead ends: 29 [2020-10-25 23:05:14,182 INFO L677 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 [2020-10-25 23:05:14,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-25 23:05:14,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-25 23:05:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-25 23:05:14,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-25 23:05:14,192 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-10-25 23:05:14,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:14,193 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-25 23:05:14,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-25 23:05:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:14,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:14,196 INFO L422 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] [2020-10-25 23:05:14,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:14,197 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:14,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:14,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1355159705, now seen corresponding path program 1 times [2020-10-25 23:05:14,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:14,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336813660] [2020-10-25 23:05:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:14,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336813660] [2020-10-25 23:05:14,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:14,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:14,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716530107] [2020-10-25 23:05:14,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:14,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:14,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:14,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:14,331 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-10-25 23:05:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:14,460 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-10-25 23:05:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:14,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:05:14,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:14,462 INFO L225 Difference]: With dead ends: 112 [2020-10-25 23:05:14,462 INFO L226 Difference]: Without dead ends: 90 [2020-10-25 23:05:14,463 INFO L677 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 [2020-10-25 23:05:14,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-25 23:05:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2020-10-25 23:05:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-25 23:05:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-10-25 23:05:14,473 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2020-10-25 23:05:14,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:14,474 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-10-25 23:05:14,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-10-25 23:05:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:14,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:14,475 INFO L422 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] [2020-10-25 23:05:14,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:14,475 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:14,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:14,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1689469663, now seen corresponding path program 1 times [2020-10-25 23:05:14,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:14,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761343513] [2020-10-25 23:05:14,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:14,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761343513] [2020-10-25 23:05:14,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:14,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:14,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350990125] [2020-10-25 23:05:14,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:14,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:14,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:14,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:14,580 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2020-10-25 23:05:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:14,650 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2020-10-25 23:05:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:14,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:14,651 INFO L225 Difference]: With dead ends: 132 [2020-10-25 23:05:14,651 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:14,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:14,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:14,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:14,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-25 23:05:14,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:14,655 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:14,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:14,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:14,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:14,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:14,904 INFO L270 CegarLoopResult]: At program point L861(lines 1 872) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:14,904 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:14,905 INFO L274 CegarLoopResult]: For program point L432(lines 431 476) no Hoare annotation was computed. [2020-10-25 23:05:14,905 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:14,905 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:14,905 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:14,905 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:14,905 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-10-25 23:05:14,905 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-25 23:05:14,905 INFO L274 CegarLoopResult]: For program point L467-2(lines 501 507) no Hoare annotation was computed. [2020-10-25 23:05:14,906 INFO L274 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-10-25 23:05:14,906 INFO L270 CegarLoopResult]: At program point L451-1(lines 451 457) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:14,906 INFO L274 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-10-25 23:05:14,906 INFO L274 CegarLoopResult]: For program point L765-3(lines 765 769) no Hoare annotation was computed. [2020-10-25 23:05:14,906 INFO L274 CegarLoopResult]: For program point L765-6(lines 765 769) no Hoare annotation was computed. [2020-10-25 23:05:14,906 INFO L270 CegarLoopResult]: At program point L501(lines 500 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:14,906 INFO L274 CegarLoopResult]: For program point L501-1(lines 501 507) no Hoare annotation was computed. [2020-10-25 23:05:14,907 INFO L270 CegarLoopResult]: At program point L501-2(lines 500 519) the Hoare annotation is: false [2020-10-25 23:05:14,907 INFO L270 CegarLoopResult]: At program point L501-3(lines 500 519) the Hoare annotation is: false [2020-10-25 23:05:14,909 INFO L270 CegarLoopResult]: At program point L717(lines 713 719) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:14,909 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:14,910 INFO L274 CegarLoopResult]: For program point L636(lines 636 653) no Hoare annotation was computed. [2020-10-25 23:05:14,910 INFO L270 CegarLoopResult]: At program point L636-1(lines 1 872) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:14,910 INFO L270 CegarLoopResult]: At program point L669-2(lines 669 683) the Hoare annotation is: false [2020-10-25 23:05:14,910 INFO L274 CegarLoopResult]: For program point L636-2(lines 636 653) no Hoare annotation was computed. [2020-10-25 23:05:14,911 INFO L270 CegarLoopResult]: At program point L636-3(lines 1 872) the Hoare annotation is: false [2020-10-25 23:05:14,911 INFO L274 CegarLoopResult]: For program point L636-4(lines 636 653) no Hoare annotation was computed. [2020-10-25 23:05:14,911 INFO L270 CegarLoopResult]: At program point L636-5(lines 1 872) the Hoare annotation is: false [2020-10-25 23:05:14,911 INFO L270 CegarLoopResult]: At program point L802(lines 797 805) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:14,912 INFO L270 CegarLoopResult]: At program point L802-1(lines 797 805) the Hoare annotation is: false [2020-10-25 23:05:14,912 INFO L270 CegarLoopResult]: At program point L802-2(lines 797 805) the Hoare annotation is: false [2020-10-25 23:05:14,912 INFO L274 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-10-25 23:05:14,913 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:14,913 INFO L277 CegarLoopResult]: At program point L753(lines 734 756) the Hoare annotation is: true [2020-10-25 23:05:14,913 INFO L270 CegarLoopResult]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:14,913 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:14,914 INFO L274 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-10-25 23:05:14,914 INFO L270 CegarLoopResult]: At program point L441-1(lines 441 447) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:14,914 INFO L274 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-10-25 23:05:14,914 INFO L274 CegarLoopResult]: For program point L640(lines 640 650) no Hoare annotation was computed. [2020-10-25 23:05:14,914 INFO L274 CegarLoopResult]: For program point L673-1(lines 501 507) no Hoare annotation was computed. [2020-10-25 23:05:14,915 INFO L274 CegarLoopResult]: For program point L640-2(lines 640 650) no Hoare annotation was computed. [2020-10-25 23:05:14,915 INFO L270 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:14,915 INFO L274 CegarLoopResult]: For program point L640-4(lines 640 650) no Hoare annotation was computed. [2020-10-25 23:05:14,915 INFO L270 CegarLoopResult]: At program point L508-1(lines 508 514) the Hoare annotation is: false [2020-10-25 23:05:14,916 INFO L270 CegarLoopResult]: At program point L508-2(lines 508 514) the Hoare annotation is: false [2020-10-25 23:05:14,916 INFO L274 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-10-25 23:05:14,916 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:05:14,916 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:05:14,916 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:05:14,916 INFO L274 CegarLoopResult]: For program point L641(lines 641 647) no Hoare annotation was computed. [2020-10-25 23:05:14,917 INFO L274 CegarLoopResult]: For program point L641-2(lines 641 647) no Hoare annotation was computed. [2020-10-25 23:05:14,917 INFO L274 CegarLoopResult]: For program point L641-4(lines 641 647) no Hoare annotation was computed. [2020-10-25 23:05:14,918 INFO L270 CegarLoopResult]: At program point L625(lines 620 627) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:14,918 INFO L270 CegarLoopResult]: At program point L477(lines 430 478) the Hoare annotation is: false [2020-10-25 23:05:14,919 INFO L274 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-10-25 23:05:14,919 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:14,919 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:14,919 INFO L270 CegarLoopResult]: At program point L578(lines 573 581) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:14,920 INFO L270 CegarLoopResult]: At program point L578-1(lines 573 581) the Hoare annotation is: false [2020-10-25 23:05:14,920 INFO L270 CegarLoopResult]: At program point L578-2(lines 573 581) the Hoare annotation is: false [2020-10-25 23:05:14,920 INFO L274 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-10-25 23:05:14,920 INFO L274 CegarLoopResult]: For program point L744(lines 744 751) no Hoare annotation was computed. [2020-10-25 23:05:14,920 INFO L277 CegarLoopResult]: At program point L744-1(lines 744 751) the Hoare annotation is: true [2020-10-25 23:05:14,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:14 BoogieIcfgContainer [2020-10-25 23:05:14,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:14,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:14,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:14,943 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:14,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:13" (3/4) ... [2020-10-25 23:05:14,947 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:14,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:14,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:14,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:14,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:14,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:14,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:14,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:14,999 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:15,057 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:15,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:15,064 INFO L168 Benchmark]: Toolchain (without parser) took 3631.78 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 28.5 MB in the beginning and 38.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:15,064 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 31.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:15,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.89 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 35.2 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:15,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.18 ms. Allocated memory is still 56.6 MB. Free memory was 35.2 MB in the beginning and 32.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:15,066 INFO L168 Benchmark]: Boogie Preprocessor took 46.00 ms. Allocated memory is still 56.6 MB. Free memory was 32.3 MB in the beginning and 30.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:15,068 INFO L168 Benchmark]: RCFGBuilder took 1202.58 ms. Allocated memory is still 56.6 MB. Free memory was 30.5 MB in the beginning and 28.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:15,069 INFO L168 Benchmark]: TraceAbstraction took 1506.68 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 28.0 MB in the beginning and 44.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:15,069 INFO L168 Benchmark]: Witness Printer took 117.36 ms. Allocated memory is still 69.2 MB. Free memory was 44.5 MB in the beginning and 38.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:15,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 31.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 669.89 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 35.2 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.18 ms. Allocated memory is still 56.6 MB. Free memory was 35.2 MB in the beginning and 32.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.00 ms. Allocated memory is still 56.6 MB. Free memory was 32.3 MB in the beginning and 30.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1202.58 ms. Allocated memory is still 56.6 MB. Free memory was 30.5 MB in the beginning and 28.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1506.68 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 28.0 MB in the beginning and 44.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Witness Printer took 117.36 ms. Allocated memory is still 69.2 MB. Free memory was 44.5 MB in the beginning and 38.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 60 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...