./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product46.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_product46.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 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:05:35,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:35,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:35,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:35,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:35,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:35,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:35,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:35,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:35,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:35,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:35,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:35,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:35,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:35,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:35,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:35,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:35,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:35,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:35,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:35,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:35,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:35,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:35,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:35,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:35,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:35,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:35,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:35,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:35,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:35,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:35,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:35,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:35,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:35,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:35,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:35,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:35,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:35,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:35,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:35,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:35,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:35,535 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:35,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:35,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:35,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:35,541 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:35,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:35,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:35,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:35,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:35,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:35,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:35,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:35,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:35,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:35,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:35,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:35,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:35,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:35,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:35,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:35,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:35,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:35,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:35,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:35,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:35,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:35,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:35,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:35,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:35,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b [2020-10-25 23:05:36,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:36,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:36,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:36,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:36,061 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:36,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2020-10-25 23:05:36,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409573633/5dd1f24a89c94430af7dfeeb75a33029/FLAGda4fe3c3a [2020-10-25 23:05:36,907 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:36,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2020-10-25 23:05:36,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409573633/5dd1f24a89c94430af7dfeeb75a33029/FLAGda4fe3c3a [2020-10-25 23:05:37,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409573633/5dd1f24a89c94430af7dfeeb75a33029 [2020-10-25 23:05:37,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:37,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:37,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:37,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:37,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:37,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:37,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e0bfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37, skipping insertion in model container [2020-10-25 23:05:37,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:37,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:37,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:37,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:37,708 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:37,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:37,899 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:37,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37 WrapperNode [2020-10-25 23:05:37,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:37,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:37,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:37,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:37,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:37,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:37,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:37,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:37,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:37,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:37,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:37,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:37,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:37,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:38,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:38,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:38,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (1/1) ... [2020-10-25 23:05:38,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:38,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:38,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:38,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:38,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (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 23:05:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:38,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:39,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:39,365 INFO L298 CfgBuilder]: Removed 202 assume(true) statements. [2020-10-25 23:05:39,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:39 BoogieIcfgContainer [2020-10-25 23:05:39,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:39,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:39,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:39,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:39,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:37" (1/3) ... [2020-10-25 23:05:39,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c20647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:39, skipping insertion in model container [2020-10-25 23:05:39,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:37" (2/3) ... [2020-10-25 23:05:39,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c20647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:39, skipping insertion in model container [2020-10-25 23:05:39,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:39" (3/3) ... [2020-10-25 23:05:39,380 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2020-10-25 23:05:39,392 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:39,397 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:39,411 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:39,444 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:39,445 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:39,445 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:39,445 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:39,445 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:39,445 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:39,445 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:39,446 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-25 23:05:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:39,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:39,474 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 23:05:39,474 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:39,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:39,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1432327822, now seen corresponding path program 1 times [2020-10-25 23:05:39,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:39,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210934522] [2020-10-25 23:05:39,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:39,801 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 23:05:39,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210934522] [2020-10-25 23:05:39,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:39,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:39,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937530422] [2020-10-25 23:05:39,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:39,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:39,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:39,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:39,828 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2020-10-25 23:05:39,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:39,867 INFO L93 Difference]: Finished difference Result 262 states and 393 transitions. [2020-10-25 23:05:39,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:39,869 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:39,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:39,882 INFO L225 Difference]: With dead ends: 262 [2020-10-25 23:05:39,882 INFO L226 Difference]: Without dead ends: 129 [2020-10-25 23:05:39,886 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 23:05:39,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-10-25 23:05:39,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-10-25 23:05:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-25 23:05:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2020-10-25 23:05:39,949 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2020-10-25 23:05:39,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:39,949 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2020-10-25 23:05:39,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2020-10-25 23:05:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:39,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:39,951 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 23:05:39,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:39,952 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:39,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:39,953 INFO L82 PathProgramCache]: Analyzing trace with hash -846371293, now seen corresponding path program 1 times [2020-10-25 23:05:39,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:39,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041844475] [2020-10-25 23:05:39,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:40,099 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 23:05:40,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041844475] [2020-10-25 23:05:40,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:40,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:40,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513160598] [2020-10-25 23:05:40,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:40,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:40,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:40,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:40,104 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2020-10-25 23:05:40,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:40,122 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2020-10-25 23:05:40,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:40,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:40,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:40,124 INFO L225 Difference]: With dead ends: 129 [2020-10-25 23:05:40,124 INFO L226 Difference]: Without dead ends: 53 [2020-10-25 23:05:40,126 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 23:05:40,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-25 23:05:40,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-25 23:05:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-25 23:05:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-10-25 23:05:40,134 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2020-10-25 23:05:40,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:40,134 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-10-25 23:05:40,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-10-25 23:05:40,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:40,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:40,136 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 23:05:40,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:40,137 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:40,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:40,138 INFO L82 PathProgramCache]: Analyzing trace with hash -2062368201, now seen corresponding path program 1 times [2020-10-25 23:05:40,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:40,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983243059] [2020-10-25 23:05:40,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:40,260 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 23:05:40,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983243059] [2020-10-25 23:05:40,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:40,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:40,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777141272] [2020-10-25 23:05:40,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:40,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:40,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:40,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:40,287 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 5 states. [2020-10-25 23:05:40,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:40,397 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2020-10-25 23:05:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:40,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:05:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:40,401 INFO L225 Difference]: With dead ends: 99 [2020-10-25 23:05:40,402 INFO L226 Difference]: Without dead ends: 53 [2020-10-25 23:05:40,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:40,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-25 23:05:40,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-25 23:05:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-25 23:05:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-10-25 23:05:40,423 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2020-10-25 23:05:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:40,424 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-10-25 23:05:40,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-10-25 23:05:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:40,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:40,427 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, 1] [2020-10-25 23:05:40,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:40,428 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:40,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:40,431 INFO L82 PathProgramCache]: Analyzing trace with hash 2079031545, now seen corresponding path program 1 times [2020-10-25 23:05:40,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:40,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741224058] [2020-10-25 23:05:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:40,560 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 23:05:40,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741224058] [2020-10-25 23:05:40,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:40,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:40,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931660441] [2020-10-25 23:05:40,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:40,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:40,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:40,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:40,567 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-10-25 23:05:40,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:40,640 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2020-10-25 23:05:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:40,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-25 23:05:40,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:40,642 INFO L225 Difference]: With dead ends: 121 [2020-10-25 23:05:40,644 INFO L226 Difference]: Without dead ends: 75 [2020-10-25 23:05:40,645 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 23:05:40,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-25 23:05:40,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-10-25 23:05:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-25 23:05:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2020-10-25 23:05:40,661 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2020-10-25 23:05:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:40,662 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2020-10-25 23:05:40,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2020-10-25 23:05:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:05:40,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:40,665 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:40,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:40,665 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:40,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:40,666 INFO L82 PathProgramCache]: Analyzing trace with hash -449932985, now seen corresponding path program 1 times [2020-10-25 23:05:40,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:40,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838169295] [2020-10-25 23:05:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:40,788 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 23:05:40,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838169295] [2020-10-25 23:05:40,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:40,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:40,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291611344] [2020-10-25 23:05:40,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:05:40,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:40,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:05:40,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:05:40,791 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 4 states. [2020-10-25 23:05:40,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:40,857 INFO L93 Difference]: Finished difference Result 203 states and 291 transitions. [2020-10-25 23:05:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:05:40,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-25 23:05:40,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:40,860 INFO L225 Difference]: With dead ends: 203 [2020-10-25 23:05:40,860 INFO L226 Difference]: Without dead ends: 137 [2020-10-25 23:05:40,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:40,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-25 23:05:40,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2020-10-25 23:05:40,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-25 23:05:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-10-25 23:05:40,875 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2020-10-25 23:05:40,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:40,876 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-10-25 23:05:40,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:05:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-10-25 23:05:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:05:40,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:40,878 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:40,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:40,878 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:40,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:40,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1150997563, now seen corresponding path program 1 times [2020-10-25 23:05:40,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:40,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41199008] [2020-10-25 23:05:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:40,977 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 23:05:40,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41199008] [2020-10-25 23:05:40,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:40,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:40,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69138845] [2020-10-25 23:05:40,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:40,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:40,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:40,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:40,981 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-10-25 23:05:41,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:41,155 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2020-10-25 23:05:41,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:41,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-25 23:05:41,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:41,159 INFO L225 Difference]: With dead ends: 364 [2020-10-25 23:05:41,159 INFO L226 Difference]: Without dead ends: 294 [2020-10-25 23:05:41,160 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 23:05:41,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-25 23:05:41,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2020-10-25 23:05:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-25 23:05:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2020-10-25 23:05:41,181 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2020-10-25 23:05:41,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:41,182 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2020-10-25 23:05:41,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2020-10-25 23:05:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:05:41,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:41,184 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:41,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:05:41,185 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:41,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:41,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1151154099, now seen corresponding path program 1 times [2020-10-25 23:05:41,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:41,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101314726] [2020-10-25 23:05:41,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,252 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 23:05:41,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101314726] [2020-10-25 23:05:41,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:41,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305009579] [2020-10-25 23:05:41,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:41,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:41,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:41,255 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2020-10-25 23:05:41,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:41,399 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2020-10-25 23:05:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:05:41,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:05:41,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:41,403 INFO L225 Difference]: With dead ends: 526 [2020-10-25 23:05:41,403 INFO L226 Difference]: Without dead ends: 394 [2020-10-25 23:05:41,404 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 23:05:41,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-25 23:05:41,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2020-10-25 23:05:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-25 23:05:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2020-10-25 23:05:41,425 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2020-10-25 23:05:41,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:41,425 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2020-10-25 23:05:41,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2020-10-25 23:05:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-25 23:05:41,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:41,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:41,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:05:41,428 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:41,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:41,429 INFO L82 PathProgramCache]: Analyzing trace with hash -59777108, now seen corresponding path program 1 times [2020-10-25 23:05:41,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:41,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656419683] [2020-10-25 23:05:41,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,486 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 23:05:41,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656419683] [2020-10-25 23:05:41,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:41,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82960111] [2020-10-25 23:05:41,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:41,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:41,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:41,489 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2020-10-25 23:05:41,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:41,590 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2020-10-25 23:05:41,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:41,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-25 23:05:41,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:41,592 INFO L225 Difference]: With dead ends: 355 [2020-10-25 23:05:41,592 INFO L226 Difference]: Without dead ends: 224 [2020-10-25 23:05:41,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:41,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-25 23:05:41,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2020-10-25 23:05:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-25 23:05:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2020-10-25 23:05:41,613 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2020-10-25 23:05:41,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:41,613 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2020-10-25 23:05:41,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2020-10-25 23:05:41,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-25 23:05:41,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:41,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:41,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:05:41,622 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:41,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:41,622 INFO L82 PathProgramCache]: Analyzing trace with hash -2091962712, now seen corresponding path program 1 times [2020-10-25 23:05:41,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:41,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118966910] [2020-10-25 23:05:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,708 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 23:05:41,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118966910] [2020-10-25 23:05:41,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:41,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771117482] [2020-10-25 23:05:41,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:41,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:41,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:41,713 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2020-10-25 23:05:41,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:41,755 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2020-10-25 23:05:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:41,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-10-25 23:05:41,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:41,757 INFO L225 Difference]: With dead ends: 343 [2020-10-25 23:05:41,757 INFO L226 Difference]: Without dead ends: 200 [2020-10-25 23:05:41,759 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 23:05:41,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-25 23:05:41,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-10-25 23:05:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-25 23:05:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2020-10-25 23:05:41,788 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2020-10-25 23:05:41,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:41,789 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2020-10-25 23:05:41,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:41,790 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2020-10-25 23:05:41,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-25 23:05:41,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:41,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:41,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:05:41,792 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:41,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:41,793 INFO L82 PathProgramCache]: Analyzing trace with hash 728525800, now seen corresponding path program 1 times [2020-10-25 23:05:41,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:41,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217501948] [2020-10-25 23:05:41,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,900 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 23:05:41,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217501948] [2020-10-25 23:05:41,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-25 23:05:41,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082984938] [2020-10-25 23:05:41,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 23:05:41,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 23:05:41,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:41,904 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 8 states. [2020-10-25 23:05:42,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:42,496 INFO L93 Difference]: Finished difference Result 767 states and 997 transitions. [2020-10-25 23:05:42,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-25 23:05:42,497 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2020-10-25 23:05:42,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:42,500 INFO L225 Difference]: With dead ends: 767 [2020-10-25 23:05:42,501 INFO L226 Difference]: Without dead ends: 574 [2020-10-25 23:05:42,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2020-10-25 23:05:42,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-10-25 23:05:42,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 200. [2020-10-25 23:05:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-25 23:05:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2020-10-25 23:05:42,534 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2020-10-25 23:05:42,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:42,534 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2020-10-25 23:05:42,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 23:05:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2020-10-25 23:05:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-25 23:05:42,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:42,536 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:42,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:05:42,537 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:42,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:42,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1120661623, now seen corresponding path program 1 times [2020-10-25 23:05:42,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:42,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060437079] [2020-10-25 23:05:42,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-25 23:05:42,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060437079] [2020-10-25 23:05:42,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:42,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-25 23:05:42,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176119188] [2020-10-25 23:05:42,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 23:05:42,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:42,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 23:05:42,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:42,649 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 8 states. [2020-10-25 23:05:43,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:43,160 INFO L93 Difference]: Finished difference Result 520 states and 670 transitions. [2020-10-25 23:05:43,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-25 23:05:43,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-25 23:05:43,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:43,161 INFO L225 Difference]: With dead ends: 520 [2020-10-25 23:05:43,161 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:43,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-25 23:05:43,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:43,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:43,164 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-25 23:05:43,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:43,164 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:43,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 23:05:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:43,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:43,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:05:43,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:43,461 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 53 [2020-10-25 23:05:43,790 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 103 [2020-10-25 23:05:44,017 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 110 [2020-10-25 23:05:44,246 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2020-10-25 23:05:44,432 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 104 [2020-10-25 23:05:44,706 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 107 [2020-10-25 23:05:45,068 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 14 [2020-10-25 23:05:45,437 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 29 [2020-10-25 23:05:45,609 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 13 [2020-10-25 23:05:45,875 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 12 [2020-10-25 23:05:46,260 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-10-25 23:05:46,452 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 13 [2020-10-25 23:05:46,728 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2020-10-25 23:05:47,135 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 16 [2020-10-25 23:05:47,404 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 29 [2020-10-25 23:05:47,540 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,540 INFO L274 CegarLoopResult]: For program point L696(lines 696 704) no Hoare annotation was computed. [2020-10-25 23:05:47,541 INFO L274 CegarLoopResult]: For program point L696-1(lines 696 704) no Hoare annotation was computed. [2020-10-25 23:05:47,541 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2020-10-25 23:05:47,541 INFO L274 CegarLoopResult]: For program point L696-3(lines 696 704) no Hoare annotation was computed. [2020-10-25 23:05:47,541 INFO L274 CegarLoopResult]: For program point L696-4(lines 696 704) no Hoare annotation was computed. [2020-10-25 23:05:47,541 INFO L274 CegarLoopResult]: For program point L696-5(lines 696 704) no Hoare annotation was computed. [2020-10-25 23:05:47,541 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,541 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,542 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,542 INFO L270 CegarLoopResult]: At program point L962(lines 913 963) the Hoare annotation is: false [2020-10-25 23:05:47,543 INFO L270 CegarLoopResult]: At program point L667(lines 667 673) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3))) [2020-10-25 23:05:47,543 INFO L274 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2020-10-25 23:05:47,543 INFO L270 CegarLoopResult]: At program point L667-1(lines 667 673) the Hoare annotation is: false [2020-10-25 23:05:47,543 INFO L270 CegarLoopResult]: At program point L667-2(lines 667 673) the Hoare annotation is: false [2020-10-25 23:05:47,543 INFO L277 CegarLoopResult]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2020-10-25 23:05:47,543 INFO L274 CegarLoopResult]: For program point L536(lines 536 542) no Hoare annotation was computed. [2020-10-25 23:05:47,543 INFO L274 CegarLoopResult]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2020-10-25 23:05:47,543 INFO L274 CegarLoopResult]: For program point L536-2(lines 536 542) no Hoare annotation was computed. [2020-10-25 23:05:47,543 INFO L274 CegarLoopResult]: For program point L536-3(lines 536 542) no Hoare annotation was computed. [2020-10-25 23:05:47,543 INFO L274 CegarLoopResult]: For program point L536-4(lines 536 542) no Hoare annotation was computed. [2020-10-25 23:05:47,544 INFO L274 CegarLoopResult]: For program point L536-5(lines 536 542) no Hoare annotation was computed. [2020-10-25 23:05:47,544 INFO L274 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-10-25 23:05:47,544 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,544 INFO L274 CegarLoopResult]: For program point L934(lines 934 940) no Hoare annotation was computed. [2020-10-25 23:05:47,544 INFO L270 CegarLoopResult]: At program point L934-1(lines 934 940) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,544 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,544 INFO L274 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-2(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-3(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-5(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-6(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-8(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-9(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-11(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-12(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-14(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-15(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,545 INFO L274 CegarLoopResult]: For program point L837-17(lines 837 841) no Hoare annotation was computed. [2020-10-25 23:05:47,546 INFO L270 CegarLoopResult]: At program point L871(lines 866 873) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,546 INFO L270 CegarLoopResult]: At program point L541(lines 532 545) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,546 INFO L270 CegarLoopResult]: At program point L541-1(lines 532 545) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,546 INFO L270 CegarLoopResult]: At program point L541-2(lines 532 545) the Hoare annotation is: false [2020-10-25 23:05:47,546 INFO L270 CegarLoopResult]: At program point L541-3(lines 532 545) the Hoare annotation is: false [2020-10-25 23:05:47,546 INFO L270 CegarLoopResult]: At program point L541-4(lines 532 545) the Hoare annotation is: false [2020-10-25 23:05:47,546 INFO L270 CegarLoopResult]: At program point L541-5(lines 532 545) the Hoare annotation is: false [2020-10-25 23:05:47,546 INFO L270 CegarLoopResult]: At program point L608(lines 604 610) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,547 INFO L277 CegarLoopResult]: At program point L643(lines 624 646) the Hoare annotation is: true [2020-10-25 23:05:47,547 INFO L270 CegarLoopResult]: At program point L843(lines 828 846) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,547 INFO L270 CegarLoopResult]: At program point L843-1(lines 828 846) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,547 INFO L270 CegarLoopResult]: At program point L843-2(lines 828 846) the Hoare annotation is: false [2020-10-25 23:05:47,547 INFO L270 CegarLoopResult]: At program point L843-3(lines 828 846) the Hoare annotation is: false [2020-10-25 23:05:47,547 INFO L270 CegarLoopResult]: At program point L843-4(lines 828 846) the Hoare annotation is: false [2020-10-25 23:05:47,547 INFO L270 CegarLoopResult]: At program point L843-5(lines 828 846) the Hoare annotation is: false [2020-10-25 23:05:47,547 INFO L274 CegarLoopResult]: For program point L944(lines 944 957) no Hoare annotation was computed. [2020-10-25 23:05:47,548 INFO L270 CegarLoopResult]: At program point L779(lines 772 782) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse5))) [2020-10-25 23:05:47,548 INFO L270 CegarLoopResult]: At program point L779-1(lines 772 782) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,548 INFO L270 CegarLoopResult]: At program point L779-2(lines 772 782) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse6))) [2020-10-25 23:05:47,548 INFO L270 CegarLoopResult]: At program point L779-3(lines 772 782) the Hoare annotation is: false [2020-10-25 23:05:47,548 INFO L270 CegarLoopResult]: At program point L779-4(lines 772 782) the Hoare annotation is: false [2020-10-25 23:05:47,549 INFO L270 CegarLoopResult]: At program point L779-5(lines 772 782) the Hoare annotation is: false [2020-10-25 23:05:47,549 INFO L270 CegarLoopResult]: At program point L779-6(lines 772 782) the Hoare annotation is: false [2020-10-25 23:05:47,549 INFO L270 CegarLoopResult]: At program point L779-7(lines 772 782) the Hoare annotation is: false [2020-10-25 23:05:47,549 INFO L270 CegarLoopResult]: At program point L779-8(lines 772 782) the Hoare annotation is: false [2020-10-25 23:05:47,549 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:47,549 INFO L274 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-10-25 23:05:47,549 INFO L274 CegarLoopResult]: For program point L915(lines 914 961) no Hoare annotation was computed. [2020-10-25 23:05:47,549 INFO L274 CegarLoopResult]: For program point L882(lines 882 899) no Hoare annotation was computed. [2020-10-25 23:05:47,549 INFO L270 CegarLoopResult]: At program point L882-1(lines 1 969) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse2 (not .cse3) .cse6 .cse4 .cse5))) [2020-10-25 23:05:47,550 INFO L274 CegarLoopResult]: For program point L882-2(lines 882 899) no Hoare annotation was computed. [2020-10-25 23:05:47,550 INFO L270 CegarLoopResult]: At program point L882-3(lines 1 969) the Hoare annotation is: false [2020-10-25 23:05:47,550 INFO L274 CegarLoopResult]: For program point L882-4(lines 882 899) no Hoare annotation was computed. [2020-10-25 23:05:47,550 INFO L270 CegarLoopResult]: At program point L882-5(lines 1 969) the Hoare annotation is: false [2020-10-25 23:05:47,550 INFO L274 CegarLoopResult]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:47,550 INFO L274 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-10-25 23:05:47,550 INFO L274 CegarLoopResult]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2020-10-25 23:05:47,550 INFO L274 CegarLoopResult]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2020-10-25 23:05:47,550 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:47,550 INFO L274 CegarLoopResult]: For program point L952(lines 952 956) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L270 CegarLoopResult]: At program point L952-2(lines 660 666) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L886(lines 886 896) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L886-2(lines 886 896) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L886-4(lines 886 896) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L754-2(lines 754 760) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L754-4(lines 754 760) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L754-6(lines 754 760) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L754-8(lines 754 760) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point L754-10(lines 754 760) no Hoare annotation was computed. [2020-10-25 23:05:47,551 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:47,552 INFO L274 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-10-25 23:05:47,552 INFO L274 CegarLoopResult]: For program point L887-2(lines 887 893) no Hoare annotation was computed. [2020-10-25 23:05:47,552 INFO L270 CegarLoopResult]: At program point L788(lines 783 791) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= ~methaneLevelCritical~0 0)) (not (= 0 ~systemActive~0)) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,552 INFO L270 CegarLoopResult]: At program point L788-1(lines 783 791) the Hoare annotation is: false [2020-10-25 23:05:47,552 INFO L274 CegarLoopResult]: For program point L887-4(lines 887 893) no Hoare annotation was computed. [2020-10-25 23:05:47,552 INFO L274 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-10-25 23:05:47,552 INFO L270 CegarLoopResult]: At program point L788-2(lines 783 791) the Hoare annotation is: false [2020-10-25 23:05:47,552 INFO L274 CegarLoopResult]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2020-10-25 23:05:47,552 INFO L274 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2020-10-25 23:05:47,552 INFO L274 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L270 CegarLoopResult]: At program point L559-2(lines 559 573) the Hoare annotation is: false [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L692-1(lines 692 709) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L692-3(lines 692 709) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L692-4(lines 692 709) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L692-5(lines 692 709) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:47,553 INFO L274 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-10-25 23:05:47,554 INFO L270 CegarLoopResult]: At program point L924-1(lines 924 930) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse2 (not .cse3) .cse6 .cse4 .cse5))) [2020-10-25 23:05:47,554 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,554 INFO L270 CegarLoopResult]: At program point L660(lines 659 678) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,554 INFO L274 CegarLoopResult]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2020-10-25 23:05:47,554 INFO L270 CegarLoopResult]: At program point L660-2(lines 659 678) the Hoare annotation is: false [2020-10-25 23:05:47,554 INFO L270 CegarLoopResult]: At program point L660-3(lines 659 678) the Hoare annotation is: false [2020-10-25 23:05:47,554 INFO L270 CegarLoopResult]: At program point L496(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5))) [2020-10-25 23:05:47,555 INFO L270 CegarLoopResult]: At program point L496-1(lines 491 499) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,555 INFO L270 CegarLoopResult]: At program point L496-2(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5 .cse6))) [2020-10-25 23:05:47,555 INFO L270 CegarLoopResult]: At program point L496-3(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not .cse1) (not .cse2) .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5))) [2020-10-25 23:05:47,555 INFO L270 CegarLoopResult]: At program point L496-4(lines 491 499) the Hoare annotation is: false [2020-10-25 23:05:47,555 INFO L270 CegarLoopResult]: At program point L496-5(lines 491 499) the Hoare annotation is: false [2020-10-25 23:05:47,555 INFO L270 CegarLoopResult]: At program point L496-6(lines 491 499) the Hoare annotation is: false [2020-10-25 23:05:47,555 INFO L270 CegarLoopResult]: At program point L496-7(lines 491 499) the Hoare annotation is: false [2020-10-25 23:05:47,555 INFO L270 CegarLoopResult]: At program point L496-8(lines 491 499) the Hoare annotation is: false [2020-10-25 23:05:47,556 INFO L270 CegarLoopResult]: At program point L496-9(lines 491 499) the Hoare annotation is: false [2020-10-25 23:05:47,556 INFO L270 CegarLoopResult]: At program point L496-10(lines 491 499) the Hoare annotation is: false [2020-10-25 23:05:47,556 INFO L270 CegarLoopResult]: At program point L496-11(lines 491 499) the Hoare annotation is: false [2020-10-25 23:05:47,556 INFO L270 CegarLoopResult]: At program point L67(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:05:47,556 INFO L274 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-10-25 23:05:47,556 INFO L274 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-10-25 23:05:47,556 INFO L274 CegarLoopResult]: For program point L860-2(line 860) no Hoare annotation was computed. [2020-10-25 23:05:47,556 INFO L274 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-10-25 23:05:47,556 INFO L274 CegarLoopResult]: For program point L563-1(lines 660 666) no Hoare annotation was computed. [2020-10-25 23:05:47,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:47 BoogieIcfgContainer [2020-10-25 23:05:47,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:47,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:47,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:47,593 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:47,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:39" (3/4) ... [2020-10-25 23:05:47,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:47,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:47,635 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:47,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:47,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:47,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:47,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:47,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:47,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:47,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:47,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:47,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,680 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,686 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(\result == 0)) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-10-25 23:05:47,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,696 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-10-25 23:05:47,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:47,832 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:47,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:47,834 INFO L168 Benchmark]: Toolchain (without parser) took 10664.62 ms. Allocated memory was 44.0 MB in the beginning and 176.2 MB in the end (delta: 132.1 MB). Free memory was 30.1 MB in the beginning and 134.3 MB in the end (delta: -104.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,835 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 44.0 MB. Free memory is still 29.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:47,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.65 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 29.5 MB in the beginning and 30.1 MB in the end (delta: -573.0 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.96 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 26.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,836 INFO L168 Benchmark]: Boogie Preprocessor took 58.16 ms. Allocated memory is still 54.5 MB. Free memory was 25.8 MB in the beginning and 36.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,836 INFO L168 Benchmark]: RCFGBuilder took 1329.60 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 36.7 MB in the beginning and 46.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,837 INFO L168 Benchmark]: TraceAbstraction took 8222.82 ms. Allocated memory was 69.2 MB in the beginning and 176.2 MB in the end (delta: 107.0 MB). Free memory was 46.2 MB in the beginning and 146.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 95.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,837 INFO L168 Benchmark]: Witness Printer took 239.66 ms. Allocated memory is still 176.2 MB. Free memory was 146.8 MB in the beginning and 134.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,841 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 44.0 MB. Free memory is still 29.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.65 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 29.5 MB in the beginning and 30.1 MB in the end (delta: -573.0 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.96 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 26.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.16 ms. Allocated memory is still 54.5 MB. Free memory was 25.8 MB in the beginning and 36.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1329.60 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 36.7 MB in the beginning and 46.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8222.82 ms. Allocated memory was 69.2 MB in the beginning and 176.2 MB in the end (delta: 107.0 MB). Free memory was 46.2 MB in the beginning and 146.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 95.0 MB. Max. memory is 16.1 GB. * Witness Printer took 239.66 ms. Allocated memory is still 176.2 MB. Free memory was 146.8 MB in the beginning and 134.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(\result == 0)) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 136 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1290 SDtfs, 1914 SDslu, 2311 SDs, 0 SdLazy, 378 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 921 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 212 NumberOfFragments, 707 HoareAnnotationTreeSize, 56 FomulaSimplifications, 712315 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 56 FomulaSimplificationsInter, 125255 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 21483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...