./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product25.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_spec4_product25.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 9adf580d787f62224e97e4e19700baa564f81557 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:07:19,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:07:19,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:07:19,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:07:19,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:07:19,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:07:19,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:07:19,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:07:19,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:07:19,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:07:19,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:07:19,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:07:19,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:07:19,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:07:19,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:07:19,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:07:19,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:07:19,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:07:19,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:07:19,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:07:19,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:07:19,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:07:19,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:07:19,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:07:19,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:07:19,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:07:19,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:07:19,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:07:19,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:07:19,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:07:19,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:07:19,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:07:19,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:07:19,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:07:19,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:07:19,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:07:19,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:07:19,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:07:19,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:07:19,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:07:19,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:07:19,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:07:19,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:07:19,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:07:19,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:07:19,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:07:19,683 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:07:19,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:07:19,683 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:07:19,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:07:19,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:07:19,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:07:19,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:07:19,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:07:19,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:07:19,686 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:07:19,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:07:19,687 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:07:19,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:07:19,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:07:19,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:07:19,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:07:19,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:07:19,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:07:19,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:07:19,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:07:19,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:07:19,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:07:19,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:07:19,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:07:19,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:07:19,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9adf580d787f62224e97e4e19700baa564f81557 [2020-10-25 23:07:20,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:07:20,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:07:20,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:07:20,119 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:07:20,120 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:07:20,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2020-10-25 23:07:20,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8af190956/e5664b803a5844d98c4d78d55dfd3f3f/FLAGa92fe3486 [2020-10-25 23:07:20,956 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:07:20,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2020-10-25 23:07:20,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8af190956/e5664b803a5844d98c4d78d55dfd3f3f/FLAGa92fe3486 [2020-10-25 23:07:21,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8af190956/e5664b803a5844d98c4d78d55dfd3f3f [2020-10-25 23:07:21,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:07:21,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:07:21,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:21,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:07:21,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:07:21,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:21,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24be409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21, skipping insertion in model container [2020-10-25 23:07:21,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:21,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:07:21,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:07:21,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:21,734 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:07:21,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:21,929 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:07:21,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21 WrapperNode [2020-10-25 23:07:21,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:21,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:21,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:07:21,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:07:21,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:21,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:22,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:22,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:07:22,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:07:22,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:07:22,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:22,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:22,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:22,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:22,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:22,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:22,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (1/1) ... [2020-10-25 23:07:22,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:07:22,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:07:22,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:07:22,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:07:22,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (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 23:07:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:07:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:07:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:07:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:07:23,285 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:07:23,286 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-10-25 23:07:23,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:23 BoogieIcfgContainer [2020-10-25 23:07:23,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:07:23,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:07:23,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:07:23,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:07:23,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:07:21" (1/3) ... [2020-10-25 23:07:23,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d9e92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:23, skipping insertion in model container [2020-10-25 23:07:23,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:21" (2/3) ... [2020-10-25 23:07:23,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d9e92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:23, skipping insertion in model container [2020-10-25 23:07:23,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:23" (3/3) ... [2020-10-25 23:07:23,300 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2020-10-25 23:07:23,314 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:07:23,319 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:07:23,334 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:07:23,366 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:07:23,366 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:07:23,366 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:07:23,367 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:07:23,367 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:07:23,367 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:07:23,367 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:07:23,368 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:07:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-25 23:07:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:07:23,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:23,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:23,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:23,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:23,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1009828906, now seen corresponding path program 1 times [2020-10-25 23:07:23,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:23,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865646611] [2020-10-25 23:07:23,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:23,693 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 23:07:23,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865646611] [2020-10-25 23:07:23,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:23,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:23,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191428067] [2020-10-25 23:07:23,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:07:23,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:23,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:07:23,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:07:23,725 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-25 23:07:23,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:23,777 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-10-25 23:07:23,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:07:23,778 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:07:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:23,797 INFO L225 Difference]: With dead ends: 147 [2020-10-25 23:07:23,797 INFO L226 Difference]: Without dead ends: 71 [2020-10-25 23:07:23,801 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 23:07:23,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-25 23:07:23,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-25 23:07:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-25 23:07:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-10-25 23:07:23,848 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-10-25 23:07:23,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:23,849 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-10-25 23:07:23,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:07:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-10-25 23:07:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:07:23,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:23,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:23,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:07:23,852 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:23,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:23,853 INFO L82 PathProgramCache]: Analyzing trace with hash -36927991, now seen corresponding path program 1 times [2020-10-25 23:07:23,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:23,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122664902] [2020-10-25 23:07:23,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:24,023 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 23:07:24,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122664902] [2020-10-25 23:07:24,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:24,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:07:24,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192566017] [2020-10-25 23:07:24,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:24,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:24,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:24,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:24,037 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-10-25 23:07:24,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:24,058 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-10-25 23:07:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:24,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:07:24,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:24,060 INFO L225 Difference]: With dead ends: 71 [2020-10-25 23:07:24,060 INFO L226 Difference]: Without dead ends: 33 [2020-10-25 23:07:24,062 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 23:07:24,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-25 23:07:24,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-25 23:07:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-25 23:07:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-25 23:07:24,074 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-10-25 23:07:24,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:24,075 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-25 23:07:24,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-25 23:07:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:07:24,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:24,077 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] [2020-10-25 23:07:24,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:07:24,078 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:24,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:24,082 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-10-25 23:07:24,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:24,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799785511] [2020-10-25 23:07:24,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:24,273 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 23:07:24,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799785511] [2020-10-25 23:07:24,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:24,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:24,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459638980] [2020-10-25 23:07:24,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:24,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:24,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:24,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:24,279 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-10-25 23:07:24,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:24,294 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-10-25 23:07:24,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:24,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-25 23:07:24,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:24,299 INFO L225 Difference]: With dead ends: 60 [2020-10-25 23:07:24,299 INFO L226 Difference]: Without dead ends: 33 [2020-10-25 23:07:24,300 INFO L677 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 [2020-10-25 23:07:24,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-25 23:07:24,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-25 23:07:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-25 23:07:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-10-25 23:07:24,312 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-10-25 23:07:24,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:24,313 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-10-25 23:07:24,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-10-25 23:07:24,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:07:24,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:24,314 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] [2020-10-25 23:07:24,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:07:24,314 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:24,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:24,315 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-10-25 23:07:24,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:24,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90284431] [2020-10-25 23:07:24,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:24,435 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 23:07:24,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90284431] [2020-10-25 23:07:24,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:24,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:24,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048037515] [2020-10-25 23:07:24,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:24,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:24,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:24,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:24,438 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-10-25 23:07:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:24,546 INFO L93 Difference]: Finished difference Result 120 states and 176 transitions. [2020-10-25 23:07:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:24,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:07:24,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:24,548 INFO L225 Difference]: With dead ends: 120 [2020-10-25 23:07:24,548 INFO L226 Difference]: Without dead ends: 93 [2020-10-25 23:07:24,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:24,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-25 23:07:24,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 56. [2020-10-25 23:07:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-25 23:07:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-10-25 23:07:24,560 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 23 [2020-10-25 23:07:24,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:24,561 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-10-25 23:07:24,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-10-25 23:07:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:07:24,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:24,562 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 23:07:24,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:07:24,563 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:24,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:24,564 INFO L82 PathProgramCache]: Analyzing trace with hash 320721258, now seen corresponding path program 1 times [2020-10-25 23:07:24,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:24,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311862749] [2020-10-25 23:07:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:24,642 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 23:07:24,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311862749] [2020-10-25 23:07:24,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:24,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:24,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838061995] [2020-10-25 23:07:24,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:24,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:24,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:24,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:24,645 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand 5 states. [2020-10-25 23:07:24,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:24,702 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2020-10-25 23:07:24,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:24,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:07:24,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:24,703 INFO L225 Difference]: With dead ends: 124 [2020-10-25 23:07:24,703 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:07:24,704 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 23:07:24,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:07:24,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:07:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:07:24,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:07:24,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-25 23:07:24,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:24,706 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:07:24,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:07:24,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:07:24,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:07:24,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:07:24,972 INFO L270 CegarLoopResult]: At program point L448(lines 443 451) the Hoare annotation is: false [2020-10-25 23:07:24,972 INFO L270 CegarLoopResult]: At program point L448-1(lines 443 451) the Hoare annotation is: false [2020-10-25 23:07:24,973 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-10-25 23:07:24,973 INFO L270 CegarLoopResult]: At program point L448-2(lines 443 451) the Hoare annotation is: false [2020-10-25 23:07:24,973 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,973 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-25 23:07:24,973 INFO L270 CegarLoopResult]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,974 INFO L270 CegarLoopResult]: At program point L878(lines 874 880) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:24,974 INFO L274 CegarLoopResult]: For program point L168(lines 168 185) no Hoare annotation was computed. [2020-10-25 23:07:24,974 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 185) no Hoare annotation was computed. [2020-10-25 23:07:24,974 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2020-10-25 23:07:24,974 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,974 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,974 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,974 INFO L274 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-10-25 23:07:24,975 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:07:24,975 INFO L274 CegarLoopResult]: For program point L350-2(lines 350 356) no Hoare annotation was computed. [2020-10-25 23:07:24,975 INFO L274 CegarLoopResult]: For program point L350-4(lines 350 356) no Hoare annotation was computed. [2020-10-25 23:07:24,975 INFO L270 CegarLoopResult]: At program point L136(lines 135 154) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,975 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 142) no Hoare annotation was computed. [2020-10-25 23:07:24,975 INFO L270 CegarLoopResult]: At program point L136-2(lines 135 154) the Hoare annotation is: false [2020-10-25 23:07:24,976 INFO L270 CegarLoopResult]: At program point L136-3(lines 135 154) the Hoare annotation is: false [2020-10-25 23:07:24,976 INFO L270 CegarLoopResult]: At program point L830-2(lines 830 844) the Hoare annotation is: false [2020-10-25 23:07:24,976 INFO L274 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-10-25 23:07:24,976 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-10-25 23:07:24,976 INFO L274 CegarLoopResult]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-10-25 23:07:24,976 INFO L274 CegarLoopResult]: For program point L172(lines 172 180) no Hoare annotation was computed. [2020-10-25 23:07:24,976 INFO L274 CegarLoopResult]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-10-25 23:07:24,977 INFO L274 CegarLoopResult]: For program point L172-1(lines 172 180) no Hoare annotation was computed. [2020-10-25 23:07:24,977 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 180) no Hoare annotation was computed. [2020-10-25 23:07:24,977 INFO L274 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-10-25 23:07:24,977 INFO L274 CegarLoopResult]: For program point L288-2(lines 288 292) no Hoare annotation was computed. [2020-10-25 23:07:24,977 INFO L274 CegarLoopResult]: For program point L288-3(lines 288 292) no Hoare annotation was computed. [2020-10-25 23:07:24,977 INFO L274 CegarLoopResult]: For program point L288-5(lines 288 292) no Hoare annotation was computed. [2020-10-25 23:07:24,977 INFO L274 CegarLoopResult]: For program point L288-6(lines 288 292) no Hoare annotation was computed. [2020-10-25 23:07:24,977 INFO L274 CegarLoopResult]: For program point L288-8(lines 288 292) no Hoare annotation was computed. [2020-10-25 23:07:24,978 INFO L270 CegarLoopResult]: At program point L239(lines 234 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,978 INFO L270 CegarLoopResult]: At program point L239-1(lines 234 242) the Hoare annotation is: false [2020-10-25 23:07:24,978 INFO L270 CegarLoopResult]: At program point L239-2(lines 234 242) the Hoare annotation is: false [2020-10-25 23:07:24,978 INFO L274 CegarLoopResult]: For program point L834(lines 834 838) no Hoare annotation was computed. [2020-10-25 23:07:24,978 INFO L274 CegarLoopResult]: For program point L834-1(lines 136 142) no Hoare annotation was computed. [2020-10-25 23:07:24,978 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:07:24,979 INFO L274 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-10-25 23:07:24,979 INFO L270 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,979 INFO L274 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-10-25 23:07:24,979 INFO L277 CegarLoopResult]: At program point L901-1(lines 901 908) the Hoare annotation is: true [2020-10-25 23:07:24,979 INFO L270 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,979 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,980 INFO L270 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-10-25 23:07:24,980 INFO L270 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-10-25 23:07:24,980 INFO L270 CegarLoopResult]: At program point L324(lines 1 913) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:24,980 INFO L270 CegarLoopResult]: At program point L143(lines 143 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,980 INFO L270 CegarLoopResult]: At program point L143-1(lines 143 149) the Hoare annotation is: false [2020-10-25 23:07:24,980 INFO L270 CegarLoopResult]: At program point L143-2(lines 143 149) the Hoare annotation is: false [2020-10-25 23:07:24,981 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:07:24,981 INFO L270 CegarLoopResult]: At program point L111(lines 64 112) the Hoare annotation is: false [2020-10-25 23:07:24,981 INFO L274 CegarLoopResult]: For program point L95(lines 95 106) no Hoare annotation was computed. [2020-10-25 23:07:24,981 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:07:24,981 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:07:24,981 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:07:24,981 INFO L270 CegarLoopResult]: At program point L294(lines 279 297) the Hoare annotation is: false [2020-10-25 23:07:24,982 INFO L270 CegarLoopResult]: At program point L294-1(lines 279 297) the Hoare annotation is: false [2020-10-25 23:07:24,982 INFO L270 CegarLoopResult]: At program point L294-2(lines 279 297) the Hoare annotation is: false [2020-10-25 23:07:24,982 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-10-25 23:07:24,982 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:07:24,982 INFO L274 CegarLoopResult]: For program point L346(lines 346 359) no Hoare annotation was computed. [2020-10-25 23:07:24,982 INFO L270 CegarLoopResult]: At program point L346-1(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:24,983 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:24,983 INFO L274 CegarLoopResult]: For program point L346-2(lines 346 359) no Hoare annotation was computed. [2020-10-25 23:07:24,983 INFO L270 CegarLoopResult]: At program point L346-3(lines 1 913) the Hoare annotation is: false [2020-10-25 23:07:24,983 INFO L274 CegarLoopResult]: For program point L346-4(lines 346 359) no Hoare annotation was computed. [2020-10-25 23:07:24,983 INFO L270 CegarLoopResult]: At program point L346-5(lines 1 913) the Hoare annotation is: false [2020-10-25 23:07:24,983 INFO L274 CegarLoopResult]: For program point L66(lines 65 110) no Hoare annotation was computed. [2020-10-25 23:07:24,983 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-25 23:07:24,983 INFO L277 CegarLoopResult]: At program point L910(lines 891 913) the Hoare annotation is: true [2020-10-25 23:07:24,984 INFO L270 CegarLoopResult]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:24,984 INFO L274 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-10-25 23:07:24,984 INFO L274 CegarLoopResult]: For program point L101-2(lines 136 142) no Hoare annotation was computed. [2020-10-25 23:07:25,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:07:25 BoogieIcfgContainer [2020-10-25 23:07:25,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:07:25,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:07:25,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:07:25,004 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:07:25,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:23" (3/4) ... [2020-10-25 23:07:25,008 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:07:25,024 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:07:25,025 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:07:25,025 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:07:25,026 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:07:25,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:07:25,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:25,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:25,060 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:07:25,116 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:07:25,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:07:25,118 INFO L168 Benchmark]: Toolchain (without parser) took 3842.00 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.2 MB in the beginning and 27.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:25,118 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.7 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:07:25,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.36 ms. Allocated memory is still 48.2 MB. Free memory was 23.6 MB in the beginning and 25.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:25,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.56 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 22.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:25,121 INFO L168 Benchmark]: Boogie Preprocessor took 43.96 ms. Allocated memory is still 48.2 MB. Free memory was 22.1 MB in the beginning and 20.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:25,122 INFO L168 Benchmark]: RCFGBuilder took 1234.38 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 20.0 MB in the beginning and 36.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:25,122 INFO L168 Benchmark]: TraceAbstraction took 1712.62 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.3 MB in the beginning and 34.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:25,124 INFO L168 Benchmark]: Witness Printer took 111.90 ms. Allocated memory is still 71.3 MB. Free memory was 34.0 MB in the beginning and 27.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:25,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.7 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.36 ms. Allocated memory is still 48.2 MB. Free memory was 23.6 MB in the beginning and 25.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.56 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 22.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.96 ms. Allocated memory is still 48.2 MB. Free memory was 22.1 MB in the beginning and 20.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1234.38 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 20.0 MB in the beginning and 36.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1712.62 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.3 MB in the beginning and 34.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. * Witness Printer took 111.90 ms. Allocated memory is still 71.3 MB. Free memory was 34.0 MB in the beginning and 27.7 MB in the end (delta: 6.3 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: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 307 SDtfs, 272 SDslu, 210 SDs, 0 SdLazy, 55 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 5 MinimizatonAttempts, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 56 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 395 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...